http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8f09a71d/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.State.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.State.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.State.html index adff387..71006ea 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.State.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.State.html @@ -32,185 +32,190 @@ <span class="sourceLineNo">024</span>import java.util.Set;<a name="line.24"></a> <span class="sourceLineNo">025</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.25"></a> <span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.26"></a> -<span class="sourceLineNo">027</span><a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.28"></a> +<span class="sourceLineNo">027</span>import org.slf4j.Logger;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.slf4j.LoggerFactory;<a name="line.28"></a> <span class="sourceLineNo">029</span><a name="line.29"></a> -<span class="sourceLineNo">030</span>/**<a name="line.30"></a> -<span class="sourceLineNo">031</span> * Internal state of the ProcedureExecutor that describes the state of a "Root Procedure".<a name="line.31"></a> -<span class="sourceLineNo">032</span> * A "Root Procedure" is a Procedure without parent, each subprocedure will be<a name="line.32"></a> -<span class="sourceLineNo">033</span> * added to the "Root Procedure" stack (or rollback-stack).<a name="line.33"></a> -<span class="sourceLineNo">034</span> *<a name="line.34"></a> -<span class="sourceLineNo">035</span> * RootProcedureState is used and managed only by the ProcedureExecutor.<a name="line.35"></a> -<span class="sourceLineNo">036</span> * Long rootProcId = getRootProcedureId(proc);<a name="line.36"></a> -<span class="sourceLineNo">037</span> * rollbackStack.get(rootProcId).acquire(proc)<a name="line.37"></a> -<span class="sourceLineNo">038</span> * rollbackStack.get(rootProcId).release(proc)<a name="line.38"></a> -<span class="sourceLineNo">039</span> * ...<a name="line.39"></a> -<span class="sourceLineNo">040</span> */<a name="line.40"></a> -<span class="sourceLineNo">041</span>@InterfaceAudience.Private<a name="line.41"></a> -<span class="sourceLineNo">042</span>@InterfaceStability.Evolving<a name="line.42"></a> -<span class="sourceLineNo">043</span>class RootProcedureState<TEnvironment> {<a name="line.43"></a> -<span class="sourceLineNo">044</span><a name="line.44"></a> -<span class="sourceLineNo">045</span> private enum State {<a name="line.45"></a> -<span class="sourceLineNo">046</span> RUNNING, // The Procedure is running or ready to run<a name="line.46"></a> -<span class="sourceLineNo">047</span> FAILED, // The Procedure failed, waiting for the rollback executing<a name="line.47"></a> -<span class="sourceLineNo">048</span> ROLLINGBACK, // The Procedure failed and the execution was rolledback<a name="line.48"></a> -<span class="sourceLineNo">049</span> }<a name="line.49"></a> -<span class="sourceLineNo">050</span><a name="line.50"></a> -<span class="sourceLineNo">051</span> private Set<Procedure<TEnvironment>> subprocs = null;<a name="line.51"></a> -<span class="sourceLineNo">052</span> private ArrayList<Procedure<TEnvironment>> subprocStack = null;<a name="line.52"></a> -<span class="sourceLineNo">053</span> private State state = State.RUNNING;<a name="line.53"></a> -<span class="sourceLineNo">054</span> private int running = 0;<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> public synchronized boolean isFailed() {<a name="line.56"></a> -<span class="sourceLineNo">057</span> switch (state) {<a name="line.57"></a> -<span class="sourceLineNo">058</span> case ROLLINGBACK:<a name="line.58"></a> -<span class="sourceLineNo">059</span> case FAILED:<a name="line.59"></a> -<span class="sourceLineNo">060</span> return true;<a name="line.60"></a> -<span class="sourceLineNo">061</span> default:<a name="line.61"></a> -<span class="sourceLineNo">062</span> break;<a name="line.62"></a> -<span class="sourceLineNo">063</span> }<a name="line.63"></a> -<span class="sourceLineNo">064</span> return false;<a name="line.64"></a> -<span class="sourceLineNo">065</span> }<a name="line.65"></a> -<span class="sourceLineNo">066</span><a name="line.66"></a> -<span class="sourceLineNo">067</span> public synchronized boolean isRollingback() {<a name="line.67"></a> -<span class="sourceLineNo">068</span> return state == State.ROLLINGBACK;<a name="line.68"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.30"></a> +<span class="sourceLineNo">031</span><a name="line.31"></a> +<span class="sourceLineNo">032</span>/**<a name="line.32"></a> +<span class="sourceLineNo">033</span> * Internal state of the ProcedureExecutor that describes the state of a "Root Procedure".<a name="line.33"></a> +<span class="sourceLineNo">034</span> * A "Root Procedure" is a Procedure without parent, each subprocedure will be<a name="line.34"></a> +<span class="sourceLineNo">035</span> * added to the "Root Procedure" stack (or rollback-stack).<a name="line.35"></a> +<span class="sourceLineNo">036</span> *<a name="line.36"></a> +<span class="sourceLineNo">037</span> * RootProcedureState is used and managed only by the ProcedureExecutor.<a name="line.37"></a> +<span class="sourceLineNo">038</span> * Long rootProcId = getRootProcedureId(proc);<a name="line.38"></a> +<span class="sourceLineNo">039</span> * rollbackStack.get(rootProcId).acquire(proc)<a name="line.39"></a> +<span class="sourceLineNo">040</span> * rollbackStack.get(rootProcId).release(proc)<a name="line.40"></a> +<span class="sourceLineNo">041</span> * ...<a name="line.41"></a> +<span class="sourceLineNo">042</span> */<a name="line.42"></a> +<span class="sourceLineNo">043</span>@InterfaceAudience.Private<a name="line.43"></a> +<span class="sourceLineNo">044</span>@InterfaceStability.Evolving<a name="line.44"></a> +<span class="sourceLineNo">045</span>class RootProcedureState<TEnvironment> {<a name="line.45"></a> +<span class="sourceLineNo">046</span><a name="line.46"></a> +<span class="sourceLineNo">047</span> private static final Logger LOG = LoggerFactory.getLogger(RootProcedureState.class);<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span> private enum State {<a name="line.49"></a> +<span class="sourceLineNo">050</span> RUNNING, // The Procedure is running or ready to run<a name="line.50"></a> +<span class="sourceLineNo">051</span> FAILED, // The Procedure failed, waiting for the rollback executing<a name="line.51"></a> +<span class="sourceLineNo">052</span> ROLLINGBACK, // The Procedure failed and the execution was rolledback<a name="line.52"></a> +<span class="sourceLineNo">053</span> }<a name="line.53"></a> +<span class="sourceLineNo">054</span><a name="line.54"></a> +<span class="sourceLineNo">055</span> private Set<Procedure<TEnvironment>> subprocs = null;<a name="line.55"></a> +<span class="sourceLineNo">056</span> private ArrayList<Procedure<TEnvironment>> subprocStack = null;<a name="line.56"></a> +<span class="sourceLineNo">057</span> private State state = State.RUNNING;<a name="line.57"></a> +<span class="sourceLineNo">058</span> private int running = 0;<a name="line.58"></a> +<span class="sourceLineNo">059</span><a name="line.59"></a> +<span class="sourceLineNo">060</span> public synchronized boolean isFailed() {<a name="line.60"></a> +<span class="sourceLineNo">061</span> switch (state) {<a name="line.61"></a> +<span class="sourceLineNo">062</span> case ROLLINGBACK:<a name="line.62"></a> +<span class="sourceLineNo">063</span> case FAILED:<a name="line.63"></a> +<span class="sourceLineNo">064</span> return true;<a name="line.64"></a> +<span class="sourceLineNo">065</span> default:<a name="line.65"></a> +<span class="sourceLineNo">066</span> break;<a name="line.66"></a> +<span class="sourceLineNo">067</span> }<a name="line.67"></a> +<span class="sourceLineNo">068</span> return false;<a name="line.68"></a> <span class="sourceLineNo">069</span> }<a name="line.69"></a> <span class="sourceLineNo">070</span><a name="line.70"></a> -<span class="sourceLineNo">071</span> /**<a name="line.71"></a> -<span class="sourceLineNo">072</span> * Called by the ProcedureExecutor to mark rollback execution<a name="line.72"></a> -<span class="sourceLineNo">073</span> */<a name="line.73"></a> -<span class="sourceLineNo">074</span> protected synchronized boolean setRollback() {<a name="line.74"></a> -<span class="sourceLineNo">075</span> if (running == 0 && state == State.FAILED) {<a name="line.75"></a> -<span class="sourceLineNo">076</span> state = State.ROLLINGBACK;<a name="line.76"></a> -<span class="sourceLineNo">077</span> return true;<a name="line.77"></a> -<span class="sourceLineNo">078</span> }<a name="line.78"></a> -<span class="sourceLineNo">079</span> return false;<a name="line.79"></a> -<span class="sourceLineNo">080</span> }<a name="line.80"></a> -<span class="sourceLineNo">081</span><a name="line.81"></a> -<span class="sourceLineNo">082</span> /**<a name="line.82"></a> -<span class="sourceLineNo">083</span> * Called by the ProcedureExecutor to mark rollback execution<a name="line.83"></a> -<span class="sourceLineNo">084</span> */<a name="line.84"></a> -<span class="sourceLineNo">085</span> protected synchronized void unsetRollback() {<a name="line.85"></a> -<span class="sourceLineNo">086</span> assert state == State.ROLLINGBACK;<a name="line.86"></a> -<span class="sourceLineNo">087</span> state = State.FAILED;<a name="line.87"></a> -<span class="sourceLineNo">088</span> }<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> protected synchronized long[] getSubprocedureIds() {<a name="line.90"></a> -<span class="sourceLineNo">091</span> if (subprocs == null) {<a name="line.91"></a> -<span class="sourceLineNo">092</span> return null;<a name="line.92"></a> -<span class="sourceLineNo">093</span> }<a name="line.93"></a> -<span class="sourceLineNo">094</span> return subprocs.stream().mapToLong(Procedure::getProcId).toArray();<a name="line.94"></a> -<span class="sourceLineNo">095</span> }<a name="line.95"></a> -<span class="sourceLineNo">096</span><a name="line.96"></a> -<span class="sourceLineNo">097</span> protected synchronized List<Procedure<TEnvironment>> getSubproceduresStack() {<a name="line.97"></a> -<span class="sourceLineNo">098</span> return subprocStack;<a name="line.98"></a> +<span class="sourceLineNo">071</span> public synchronized boolean isRollingback() {<a name="line.71"></a> +<span class="sourceLineNo">072</span> return state == State.ROLLINGBACK;<a name="line.72"></a> +<span class="sourceLineNo">073</span> }<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> /**<a name="line.75"></a> +<span class="sourceLineNo">076</span> * Called by the ProcedureExecutor to mark rollback execution<a name="line.76"></a> +<span class="sourceLineNo">077</span> */<a name="line.77"></a> +<span class="sourceLineNo">078</span> protected synchronized boolean setRollback() {<a name="line.78"></a> +<span class="sourceLineNo">079</span> if (running == 0 && state == State.FAILED) {<a name="line.79"></a> +<span class="sourceLineNo">080</span> state = State.ROLLINGBACK;<a name="line.80"></a> +<span class="sourceLineNo">081</span> return true;<a name="line.81"></a> +<span class="sourceLineNo">082</span> }<a name="line.82"></a> +<span class="sourceLineNo">083</span> return false;<a name="line.83"></a> +<span class="sourceLineNo">084</span> }<a name="line.84"></a> +<span class="sourceLineNo">085</span><a name="line.85"></a> +<span class="sourceLineNo">086</span> /**<a name="line.86"></a> +<span class="sourceLineNo">087</span> * Called by the ProcedureExecutor to mark rollback execution<a name="line.87"></a> +<span class="sourceLineNo">088</span> */<a name="line.88"></a> +<span class="sourceLineNo">089</span> protected synchronized void unsetRollback() {<a name="line.89"></a> +<span class="sourceLineNo">090</span> assert state == State.ROLLINGBACK;<a name="line.90"></a> +<span class="sourceLineNo">091</span> state = State.FAILED;<a name="line.91"></a> +<span class="sourceLineNo">092</span> }<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> protected synchronized long[] getSubprocedureIds() {<a name="line.94"></a> +<span class="sourceLineNo">095</span> if (subprocs == null) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> return null;<a name="line.96"></a> +<span class="sourceLineNo">097</span> }<a name="line.97"></a> +<span class="sourceLineNo">098</span> return subprocs.stream().mapToLong(Procedure::getProcId).toArray();<a name="line.98"></a> <span class="sourceLineNo">099</span> }<a name="line.99"></a> <span class="sourceLineNo">100</span><a name="line.100"></a> -<span class="sourceLineNo">101</span> protected synchronized RemoteProcedureException getException() {<a name="line.101"></a> -<span class="sourceLineNo">102</span> if (subprocStack != null) {<a name="line.102"></a> -<span class="sourceLineNo">103</span> for (Procedure<TEnvironment> proc: subprocStack) {<a name="line.103"></a> -<span class="sourceLineNo">104</span> if (proc.hasException()) {<a name="line.104"></a> -<span class="sourceLineNo">105</span> return proc.getException();<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span> }<a name="line.108"></a> -<span class="sourceLineNo">109</span> return null;<a name="line.109"></a> -<span class="sourceLineNo">110</span> }<a name="line.110"></a> -<span class="sourceLineNo">111</span><a name="line.111"></a> -<span class="sourceLineNo">112</span> /**<a name="line.112"></a> -<span class="sourceLineNo">113</span> * Called by the ProcedureExecutor to mark the procedure step as running.<a name="line.113"></a> -<span class="sourceLineNo">114</span> */<a name="line.114"></a> -<span class="sourceLineNo">115</span> protected synchronized boolean acquire(Procedure<TEnvironment> proc) {<a name="line.115"></a> -<span class="sourceLineNo">116</span> if (state != State.RUNNING) {<a name="line.116"></a> -<span class="sourceLineNo">117</span> return false;<a name="line.117"></a> -<span class="sourceLineNo">118</span> }<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span> running++;<a name="line.120"></a> -<span class="sourceLineNo">121</span> return true;<a name="line.121"></a> -<span class="sourceLineNo">122</span> }<a name="line.122"></a> +<span class="sourceLineNo">101</span> protected synchronized List<Procedure<TEnvironment>> getSubproceduresStack() {<a name="line.101"></a> +<span class="sourceLineNo">102</span> return subprocStack;<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span><a name="line.104"></a> +<span class="sourceLineNo">105</span> protected synchronized RemoteProcedureException getException() {<a name="line.105"></a> +<span class="sourceLineNo">106</span> if (subprocStack != null) {<a name="line.106"></a> +<span class="sourceLineNo">107</span> for (Procedure<TEnvironment> proc: subprocStack) {<a name="line.107"></a> +<span class="sourceLineNo">108</span> if (proc.hasException()) {<a name="line.108"></a> +<span class="sourceLineNo">109</span> return proc.getException();<a name="line.109"></a> +<span class="sourceLineNo">110</span> }<a name="line.110"></a> +<span class="sourceLineNo">111</span> }<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span> return null;<a name="line.113"></a> +<span class="sourceLineNo">114</span> }<a name="line.114"></a> +<span class="sourceLineNo">115</span><a name="line.115"></a> +<span class="sourceLineNo">116</span> /**<a name="line.116"></a> +<span class="sourceLineNo">117</span> * Called by the ProcedureExecutor to mark the procedure step as running.<a name="line.117"></a> +<span class="sourceLineNo">118</span> */<a name="line.118"></a> +<span class="sourceLineNo">119</span> protected synchronized boolean acquire(Procedure<TEnvironment> proc) {<a name="line.119"></a> +<span class="sourceLineNo">120</span> if (state != State.RUNNING) {<a name="line.120"></a> +<span class="sourceLineNo">121</span> return false;<a name="line.121"></a> +<span class="sourceLineNo">122</span> }<a name="line.122"></a> <span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> /**<a name="line.124"></a> -<span class="sourceLineNo">125</span> * Called by the ProcedureExecutor to mark the procedure step as finished.<a name="line.125"></a> -<span class="sourceLineNo">126</span> */<a name="line.126"></a> -<span class="sourceLineNo">127</span> protected synchronized void release(Procedure<TEnvironment> proc) {<a name="line.127"></a> -<span class="sourceLineNo">128</span> running--;<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> protected synchronized void abort() {<a name="line.131"></a> -<span class="sourceLineNo">132</span> if (state == State.RUNNING) {<a name="line.132"></a> -<span class="sourceLineNo">133</span> state = State.FAILED;<a name="line.133"></a> -<span class="sourceLineNo">134</span> }<a name="line.134"></a> -<span class="sourceLineNo">135</span> }<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> /**<a name="line.137"></a> -<span class="sourceLineNo">138</span> * Called by the ProcedureExecutor after the procedure step is completed,<a name="line.138"></a> -<span class="sourceLineNo">139</span> * to add the step to the rollback list (or procedure stack)<a name="line.139"></a> -<span class="sourceLineNo">140</span> */<a name="line.140"></a> -<span class="sourceLineNo">141</span> protected synchronized void addRollbackStep(Procedure<TEnvironment> proc) {<a name="line.141"></a> -<span class="sourceLineNo">142</span> if (proc.isFailed()) {<a name="line.142"></a> -<span class="sourceLineNo">143</span> state = State.FAILED;<a name="line.143"></a> -<span class="sourceLineNo">144</span> }<a name="line.144"></a> -<span class="sourceLineNo">145</span> if (subprocStack == null) {<a name="line.145"></a> -<span class="sourceLineNo">146</span> subprocStack = new ArrayList<>();<a name="line.146"></a> -<span class="sourceLineNo">147</span> }<a name="line.147"></a> -<span class="sourceLineNo">148</span> proc.addStackIndex(subprocStack.size());<a name="line.148"></a> -<span class="sourceLineNo">149</span> subprocStack.add(proc);<a name="line.149"></a> -<span class="sourceLineNo">150</span> }<a name="line.150"></a> -<span class="sourceLineNo">151</span><a name="line.151"></a> -<span class="sourceLineNo">152</span> protected synchronized void addSubProcedure(Procedure<TEnvironment> proc) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> if (!proc.hasParent()) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> return;<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span> if (subprocs == null) {<a name="line.156"></a> -<span class="sourceLineNo">157</span> subprocs = new HashSet<>();<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<a name="line.158"></a> -<span class="sourceLineNo">159</span> subprocs.add(proc);<a name="line.159"></a> -<span class="sourceLineNo">160</span> }<a name="line.160"></a> -<span class="sourceLineNo">161</span><a name="line.161"></a> -<span class="sourceLineNo">162</span> /**<a name="line.162"></a> -<span class="sourceLineNo">163</span> * Called on store load by the ProcedureExecutor to load part of the stack.<a name="line.163"></a> -<span class="sourceLineNo">164</span> *<a name="line.164"></a> -<span class="sourceLineNo">165</span> * Each procedure has its own stack-positions. Which means we have to write<a name="line.165"></a> -<span class="sourceLineNo">166</span> * to the store only the Procedure we executed, and nothing else.<a name="line.166"></a> -<span class="sourceLineNo">167</span> * on load we recreate the full stack by aggregating each procedure stack-positions.<a name="line.167"></a> -<span class="sourceLineNo">168</span> */<a name="line.168"></a> -<span class="sourceLineNo">169</span> protected synchronized void loadStack(Procedure<TEnvironment> proc) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> addSubProcedure(proc);<a name="line.170"></a> -<span class="sourceLineNo">171</span> int[] stackIndexes = proc.getStackIndexes();<a name="line.171"></a> -<span class="sourceLineNo">172</span> if (stackIndexes != null) {<a name="line.172"></a> -<span class="sourceLineNo">173</span> if (subprocStack == null) {<a name="line.173"></a> -<span class="sourceLineNo">174</span> subprocStack = new ArrayList<>();<a name="line.174"></a> -<span class="sourceLineNo">175</span> }<a name="line.175"></a> -<span class="sourceLineNo">176</span> int diff = (1 + stackIndexes[stackIndexes.length - 1]) - subprocStack.size();<a name="line.176"></a> -<span class="sourceLineNo">177</span> if (diff > 0) {<a name="line.177"></a> -<span class="sourceLineNo">178</span> subprocStack.ensureCapacity(1 + stackIndexes[stackIndexes.length - 1]);<a name="line.178"></a> -<span class="sourceLineNo">179</span> while (diff-- > 0) subprocStack.add(null);<a name="line.179"></a> +<span class="sourceLineNo">124</span> running++;<a name="line.124"></a> +<span class="sourceLineNo">125</span> return true;<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span><a name="line.127"></a> +<span class="sourceLineNo">128</span> /**<a name="line.128"></a> +<span class="sourceLineNo">129</span> * Called by the ProcedureExecutor to mark the procedure step as finished.<a name="line.129"></a> +<span class="sourceLineNo">130</span> */<a name="line.130"></a> +<span class="sourceLineNo">131</span> protected synchronized void release(Procedure<TEnvironment> proc) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> running--;<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span> protected synchronized void abort() {<a name="line.135"></a> +<span class="sourceLineNo">136</span> if (state == State.RUNNING) {<a name="line.136"></a> +<span class="sourceLineNo">137</span> state = State.FAILED;<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> +<span class="sourceLineNo">141</span> /**<a name="line.141"></a> +<span class="sourceLineNo">142</span> * Called by the ProcedureExecutor after the procedure step is completed,<a name="line.142"></a> +<span class="sourceLineNo">143</span> * to add the step to the rollback list (or procedure stack)<a name="line.143"></a> +<span class="sourceLineNo">144</span> */<a name="line.144"></a> +<span class="sourceLineNo">145</span> protected synchronized void addRollbackStep(Procedure<TEnvironment> proc) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> if (proc.isFailed()) {<a name="line.146"></a> +<span class="sourceLineNo">147</span> state = State.FAILED;<a name="line.147"></a> +<span class="sourceLineNo">148</span> }<a name="line.148"></a> +<span class="sourceLineNo">149</span> if (subprocStack == null) {<a name="line.149"></a> +<span class="sourceLineNo">150</span> subprocStack = new ArrayList<>();<a name="line.150"></a> +<span class="sourceLineNo">151</span> }<a name="line.151"></a> +<span class="sourceLineNo">152</span> proc.addStackIndex(subprocStack.size());<a name="line.152"></a> +<span class="sourceLineNo">153</span> LOG.debug("Add procedure {} as the {}th rollback step", proc, subprocStack.size());<a name="line.153"></a> +<span class="sourceLineNo">154</span> subprocStack.add(proc);<a name="line.154"></a> +<span class="sourceLineNo">155</span> }<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> protected synchronized void addSubProcedure(Procedure<TEnvironment> proc) {<a name="line.157"></a> +<span class="sourceLineNo">158</span> if (!proc.hasParent()) {<a name="line.158"></a> +<span class="sourceLineNo">159</span> return;<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span> if (subprocs == null) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> subprocs = new HashSet<>();<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span> subprocs.add(proc);<a name="line.164"></a> +<span class="sourceLineNo">165</span> }<a name="line.165"></a> +<span class="sourceLineNo">166</span><a name="line.166"></a> +<span class="sourceLineNo">167</span> /**<a name="line.167"></a> +<span class="sourceLineNo">168</span> * Called on store load by the ProcedureExecutor to load part of the stack.<a name="line.168"></a> +<span class="sourceLineNo">169</span> *<a name="line.169"></a> +<span class="sourceLineNo">170</span> * Each procedure has its own stack-positions. Which means we have to write<a name="line.170"></a> +<span class="sourceLineNo">171</span> * to the store only the Procedure we executed, and nothing else.<a name="line.171"></a> +<span class="sourceLineNo">172</span> * on load we recreate the full stack by aggregating each procedure stack-positions.<a name="line.172"></a> +<span class="sourceLineNo">173</span> */<a name="line.173"></a> +<span class="sourceLineNo">174</span> protected synchronized void loadStack(Procedure<TEnvironment> proc) {<a name="line.174"></a> +<span class="sourceLineNo">175</span> addSubProcedure(proc);<a name="line.175"></a> +<span class="sourceLineNo">176</span> int[] stackIndexes = proc.getStackIndexes();<a name="line.176"></a> +<span class="sourceLineNo">177</span> if (stackIndexes != null) {<a name="line.177"></a> +<span class="sourceLineNo">178</span> if (subprocStack == null) {<a name="line.178"></a> +<span class="sourceLineNo">179</span> subprocStack = new ArrayList<>();<a name="line.179"></a> <span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span> for (int i = 0; i < stackIndexes.length; ++i) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> subprocStack.set(stackIndexes[i], proc);<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<a name="line.184"></a> -<span class="sourceLineNo">185</span> if (proc.getState() == ProcedureState.ROLLEDBACK) {<a name="line.185"></a> -<span class="sourceLineNo">186</span> state = State.ROLLINGBACK;<a name="line.186"></a> -<span class="sourceLineNo">187</span> } else if (proc.isFailed()) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> state = State.FAILED;<a name="line.188"></a> +<span class="sourceLineNo">181</span> int diff = (1 + stackIndexes[stackIndexes.length - 1]) - subprocStack.size();<a name="line.181"></a> +<span class="sourceLineNo">182</span> if (diff > 0) {<a name="line.182"></a> +<span class="sourceLineNo">183</span> subprocStack.ensureCapacity(1 + stackIndexes[stackIndexes.length - 1]);<a name="line.183"></a> +<span class="sourceLineNo">184</span> while (diff-- > 0) subprocStack.add(null);<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span> for (int i = 0; i < stackIndexes.length; ++i) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> subprocStack.set(stackIndexes[i], proc);<a name="line.187"></a> +<span class="sourceLineNo">188</span> }<a name="line.188"></a> <span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> /**<a name="line.192"></a> -<span class="sourceLineNo">193</span> * Called on store load by the ProcedureExecutor to validate the procedure stack.<a name="line.193"></a> -<span class="sourceLineNo">194</span> */<a name="line.194"></a> -<span class="sourceLineNo">195</span> protected synchronized boolean isValid() {<a name="line.195"></a> -<span class="sourceLineNo">196</span> if (subprocStack != null) {<a name="line.196"></a> -<span class="sourceLineNo">197</span> for (Procedure<TEnvironment> proc : subprocStack) {<a name="line.197"></a> -<span class="sourceLineNo">198</span> if (proc == null) {<a name="line.198"></a> -<span class="sourceLineNo">199</span> return false;<a name="line.199"></a> -<span class="sourceLineNo">200</span> }<a name="line.200"></a> -<span class="sourceLineNo">201</span> }<a name="line.201"></a> -<span class="sourceLineNo">202</span> }<a name="line.202"></a> -<span class="sourceLineNo">203</span> return true;<a name="line.203"></a> -<span class="sourceLineNo">204</span> }<a name="line.204"></a> -<span class="sourceLineNo">205</span>}<a name="line.205"></a> +<span class="sourceLineNo">190</span> if (proc.getState() == ProcedureState.ROLLEDBACK) {<a name="line.190"></a> +<span class="sourceLineNo">191</span> state = State.ROLLINGBACK;<a name="line.191"></a> +<span class="sourceLineNo">192</span> } else if (proc.isFailed()) {<a name="line.192"></a> +<span class="sourceLineNo">193</span> state = State.FAILED;<a name="line.193"></a> +<span class="sourceLineNo">194</span> }<a name="line.194"></a> +<span class="sourceLineNo">195</span> }<a name="line.195"></a> +<span class="sourceLineNo">196</span><a name="line.196"></a> +<span class="sourceLineNo">197</span> /**<a name="line.197"></a> +<span class="sourceLineNo">198</span> * Called on store load by the ProcedureExecutor to validate the procedure stack.<a name="line.198"></a> +<span class="sourceLineNo">199</span> */<a name="line.199"></a> +<span class="sourceLineNo">200</span> protected synchronized boolean isValid() {<a name="line.200"></a> +<span class="sourceLineNo">201</span> if (subprocStack != null) {<a name="line.201"></a> +<span class="sourceLineNo">202</span> for (Procedure<TEnvironment> proc : subprocStack) {<a name="line.202"></a> +<span class="sourceLineNo">203</span> if (proc == null) {<a name="line.203"></a> +<span class="sourceLineNo">204</span> return false;<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span> }<a name="line.207"></a> +<span class="sourceLineNo">208</span> return true;<a name="line.208"></a> +<span class="sourceLineNo">209</span> }<a name="line.209"></a> +<span class="sourceLineNo">210</span>}<a name="line.210"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8f09a71d/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.html index adff387..71006ea 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/RootProcedureState.html @@ -32,185 +32,190 @@ <span class="sourceLineNo">024</span>import java.util.Set;<a name="line.24"></a> <span class="sourceLineNo">025</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.25"></a> <span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.26"></a> -<span class="sourceLineNo">027</span><a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.28"></a> +<span class="sourceLineNo">027</span>import org.slf4j.Logger;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.slf4j.LoggerFactory;<a name="line.28"></a> <span class="sourceLineNo">029</span><a name="line.29"></a> -<span class="sourceLineNo">030</span>/**<a name="line.30"></a> -<span class="sourceLineNo">031</span> * Internal state of the ProcedureExecutor that describes the state of a "Root Procedure".<a name="line.31"></a> -<span class="sourceLineNo">032</span> * A "Root Procedure" is a Procedure without parent, each subprocedure will be<a name="line.32"></a> -<span class="sourceLineNo">033</span> * added to the "Root Procedure" stack (or rollback-stack).<a name="line.33"></a> -<span class="sourceLineNo">034</span> *<a name="line.34"></a> -<span class="sourceLineNo">035</span> * RootProcedureState is used and managed only by the ProcedureExecutor.<a name="line.35"></a> -<span class="sourceLineNo">036</span> * Long rootProcId = getRootProcedureId(proc);<a name="line.36"></a> -<span class="sourceLineNo">037</span> * rollbackStack.get(rootProcId).acquire(proc)<a name="line.37"></a> -<span class="sourceLineNo">038</span> * rollbackStack.get(rootProcId).release(proc)<a name="line.38"></a> -<span class="sourceLineNo">039</span> * ...<a name="line.39"></a> -<span class="sourceLineNo">040</span> */<a name="line.40"></a> -<span class="sourceLineNo">041</span>@InterfaceAudience.Private<a name="line.41"></a> -<span class="sourceLineNo">042</span>@InterfaceStability.Evolving<a name="line.42"></a> -<span class="sourceLineNo">043</span>class RootProcedureState<TEnvironment> {<a name="line.43"></a> -<span class="sourceLineNo">044</span><a name="line.44"></a> -<span class="sourceLineNo">045</span> private enum State {<a name="line.45"></a> -<span class="sourceLineNo">046</span> RUNNING, // The Procedure is running or ready to run<a name="line.46"></a> -<span class="sourceLineNo">047</span> FAILED, // The Procedure failed, waiting for the rollback executing<a name="line.47"></a> -<span class="sourceLineNo">048</span> ROLLINGBACK, // The Procedure failed and the execution was rolledback<a name="line.48"></a> -<span class="sourceLineNo">049</span> }<a name="line.49"></a> -<span class="sourceLineNo">050</span><a name="line.50"></a> -<span class="sourceLineNo">051</span> private Set<Procedure<TEnvironment>> subprocs = null;<a name="line.51"></a> -<span class="sourceLineNo">052</span> private ArrayList<Procedure<TEnvironment>> subprocStack = null;<a name="line.52"></a> -<span class="sourceLineNo">053</span> private State state = State.RUNNING;<a name="line.53"></a> -<span class="sourceLineNo">054</span> private int running = 0;<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> public synchronized boolean isFailed() {<a name="line.56"></a> -<span class="sourceLineNo">057</span> switch (state) {<a name="line.57"></a> -<span class="sourceLineNo">058</span> case ROLLINGBACK:<a name="line.58"></a> -<span class="sourceLineNo">059</span> case FAILED:<a name="line.59"></a> -<span class="sourceLineNo">060</span> return true;<a name="line.60"></a> -<span class="sourceLineNo">061</span> default:<a name="line.61"></a> -<span class="sourceLineNo">062</span> break;<a name="line.62"></a> -<span class="sourceLineNo">063</span> }<a name="line.63"></a> -<span class="sourceLineNo">064</span> return false;<a name="line.64"></a> -<span class="sourceLineNo">065</span> }<a name="line.65"></a> -<span class="sourceLineNo">066</span><a name="line.66"></a> -<span class="sourceLineNo">067</span> public synchronized boolean isRollingback() {<a name="line.67"></a> -<span class="sourceLineNo">068</span> return state == State.ROLLINGBACK;<a name="line.68"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.30"></a> +<span class="sourceLineNo">031</span><a name="line.31"></a> +<span class="sourceLineNo">032</span>/**<a name="line.32"></a> +<span class="sourceLineNo">033</span> * Internal state of the ProcedureExecutor that describes the state of a "Root Procedure".<a name="line.33"></a> +<span class="sourceLineNo">034</span> * A "Root Procedure" is a Procedure without parent, each subprocedure will be<a name="line.34"></a> +<span class="sourceLineNo">035</span> * added to the "Root Procedure" stack (or rollback-stack).<a name="line.35"></a> +<span class="sourceLineNo">036</span> *<a name="line.36"></a> +<span class="sourceLineNo">037</span> * RootProcedureState is used and managed only by the ProcedureExecutor.<a name="line.37"></a> +<span class="sourceLineNo">038</span> * Long rootProcId = getRootProcedureId(proc);<a name="line.38"></a> +<span class="sourceLineNo">039</span> * rollbackStack.get(rootProcId).acquire(proc)<a name="line.39"></a> +<span class="sourceLineNo">040</span> * rollbackStack.get(rootProcId).release(proc)<a name="line.40"></a> +<span class="sourceLineNo">041</span> * ...<a name="line.41"></a> +<span class="sourceLineNo">042</span> */<a name="line.42"></a> +<span class="sourceLineNo">043</span>@InterfaceAudience.Private<a name="line.43"></a> +<span class="sourceLineNo">044</span>@InterfaceStability.Evolving<a name="line.44"></a> +<span class="sourceLineNo">045</span>class RootProcedureState<TEnvironment> {<a name="line.45"></a> +<span class="sourceLineNo">046</span><a name="line.46"></a> +<span class="sourceLineNo">047</span> private static final Logger LOG = LoggerFactory.getLogger(RootProcedureState.class);<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span> private enum State {<a name="line.49"></a> +<span class="sourceLineNo">050</span> RUNNING, // The Procedure is running or ready to run<a name="line.50"></a> +<span class="sourceLineNo">051</span> FAILED, // The Procedure failed, waiting for the rollback executing<a name="line.51"></a> +<span class="sourceLineNo">052</span> ROLLINGBACK, // The Procedure failed and the execution was rolledback<a name="line.52"></a> +<span class="sourceLineNo">053</span> }<a name="line.53"></a> +<span class="sourceLineNo">054</span><a name="line.54"></a> +<span class="sourceLineNo">055</span> private Set<Procedure<TEnvironment>> subprocs = null;<a name="line.55"></a> +<span class="sourceLineNo">056</span> private ArrayList<Procedure<TEnvironment>> subprocStack = null;<a name="line.56"></a> +<span class="sourceLineNo">057</span> private State state = State.RUNNING;<a name="line.57"></a> +<span class="sourceLineNo">058</span> private int running = 0;<a name="line.58"></a> +<span class="sourceLineNo">059</span><a name="line.59"></a> +<span class="sourceLineNo">060</span> public synchronized boolean isFailed() {<a name="line.60"></a> +<span class="sourceLineNo">061</span> switch (state) {<a name="line.61"></a> +<span class="sourceLineNo">062</span> case ROLLINGBACK:<a name="line.62"></a> +<span class="sourceLineNo">063</span> case FAILED:<a name="line.63"></a> +<span class="sourceLineNo">064</span> return true;<a name="line.64"></a> +<span class="sourceLineNo">065</span> default:<a name="line.65"></a> +<span class="sourceLineNo">066</span> break;<a name="line.66"></a> +<span class="sourceLineNo">067</span> }<a name="line.67"></a> +<span class="sourceLineNo">068</span> return false;<a name="line.68"></a> <span class="sourceLineNo">069</span> }<a name="line.69"></a> <span class="sourceLineNo">070</span><a name="line.70"></a> -<span class="sourceLineNo">071</span> /**<a name="line.71"></a> -<span class="sourceLineNo">072</span> * Called by the ProcedureExecutor to mark rollback execution<a name="line.72"></a> -<span class="sourceLineNo">073</span> */<a name="line.73"></a> -<span class="sourceLineNo">074</span> protected synchronized boolean setRollback() {<a name="line.74"></a> -<span class="sourceLineNo">075</span> if (running == 0 && state == State.FAILED) {<a name="line.75"></a> -<span class="sourceLineNo">076</span> state = State.ROLLINGBACK;<a name="line.76"></a> -<span class="sourceLineNo">077</span> return true;<a name="line.77"></a> -<span class="sourceLineNo">078</span> }<a name="line.78"></a> -<span class="sourceLineNo">079</span> return false;<a name="line.79"></a> -<span class="sourceLineNo">080</span> }<a name="line.80"></a> -<span class="sourceLineNo">081</span><a name="line.81"></a> -<span class="sourceLineNo">082</span> /**<a name="line.82"></a> -<span class="sourceLineNo">083</span> * Called by the ProcedureExecutor to mark rollback execution<a name="line.83"></a> -<span class="sourceLineNo">084</span> */<a name="line.84"></a> -<span class="sourceLineNo">085</span> protected synchronized void unsetRollback() {<a name="line.85"></a> -<span class="sourceLineNo">086</span> assert state == State.ROLLINGBACK;<a name="line.86"></a> -<span class="sourceLineNo">087</span> state = State.FAILED;<a name="line.87"></a> -<span class="sourceLineNo">088</span> }<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> protected synchronized long[] getSubprocedureIds() {<a name="line.90"></a> -<span class="sourceLineNo">091</span> if (subprocs == null) {<a name="line.91"></a> -<span class="sourceLineNo">092</span> return null;<a name="line.92"></a> -<span class="sourceLineNo">093</span> }<a name="line.93"></a> -<span class="sourceLineNo">094</span> return subprocs.stream().mapToLong(Procedure::getProcId).toArray();<a name="line.94"></a> -<span class="sourceLineNo">095</span> }<a name="line.95"></a> -<span class="sourceLineNo">096</span><a name="line.96"></a> -<span class="sourceLineNo">097</span> protected synchronized List<Procedure<TEnvironment>> getSubproceduresStack() {<a name="line.97"></a> -<span class="sourceLineNo">098</span> return subprocStack;<a name="line.98"></a> +<span class="sourceLineNo">071</span> public synchronized boolean isRollingback() {<a name="line.71"></a> +<span class="sourceLineNo">072</span> return state == State.ROLLINGBACK;<a name="line.72"></a> +<span class="sourceLineNo">073</span> }<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> /**<a name="line.75"></a> +<span class="sourceLineNo">076</span> * Called by the ProcedureExecutor to mark rollback execution<a name="line.76"></a> +<span class="sourceLineNo">077</span> */<a name="line.77"></a> +<span class="sourceLineNo">078</span> protected synchronized boolean setRollback() {<a name="line.78"></a> +<span class="sourceLineNo">079</span> if (running == 0 && state == State.FAILED) {<a name="line.79"></a> +<span class="sourceLineNo">080</span> state = State.ROLLINGBACK;<a name="line.80"></a> +<span class="sourceLineNo">081</span> return true;<a name="line.81"></a> +<span class="sourceLineNo">082</span> }<a name="line.82"></a> +<span class="sourceLineNo">083</span> return false;<a name="line.83"></a> +<span class="sourceLineNo">084</span> }<a name="line.84"></a> +<span class="sourceLineNo">085</span><a name="line.85"></a> +<span class="sourceLineNo">086</span> /**<a name="line.86"></a> +<span class="sourceLineNo">087</span> * Called by the ProcedureExecutor to mark rollback execution<a name="line.87"></a> +<span class="sourceLineNo">088</span> */<a name="line.88"></a> +<span class="sourceLineNo">089</span> protected synchronized void unsetRollback() {<a name="line.89"></a> +<span class="sourceLineNo">090</span> assert state == State.ROLLINGBACK;<a name="line.90"></a> +<span class="sourceLineNo">091</span> state = State.FAILED;<a name="line.91"></a> +<span class="sourceLineNo">092</span> }<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> protected synchronized long[] getSubprocedureIds() {<a name="line.94"></a> +<span class="sourceLineNo">095</span> if (subprocs == null) {<a name="line.95"></a> +<span class="sourceLineNo">096</span> return null;<a name="line.96"></a> +<span class="sourceLineNo">097</span> }<a name="line.97"></a> +<span class="sourceLineNo">098</span> return subprocs.stream().mapToLong(Procedure::getProcId).toArray();<a name="line.98"></a> <span class="sourceLineNo">099</span> }<a name="line.99"></a> <span class="sourceLineNo">100</span><a name="line.100"></a> -<span class="sourceLineNo">101</span> protected synchronized RemoteProcedureException getException() {<a name="line.101"></a> -<span class="sourceLineNo">102</span> if (subprocStack != null) {<a name="line.102"></a> -<span class="sourceLineNo">103</span> for (Procedure<TEnvironment> proc: subprocStack) {<a name="line.103"></a> -<span class="sourceLineNo">104</span> if (proc.hasException()) {<a name="line.104"></a> -<span class="sourceLineNo">105</span> return proc.getException();<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<a name="line.106"></a> -<span class="sourceLineNo">107</span> }<a name="line.107"></a> -<span class="sourceLineNo">108</span> }<a name="line.108"></a> -<span class="sourceLineNo">109</span> return null;<a name="line.109"></a> -<span class="sourceLineNo">110</span> }<a name="line.110"></a> -<span class="sourceLineNo">111</span><a name="line.111"></a> -<span class="sourceLineNo">112</span> /**<a name="line.112"></a> -<span class="sourceLineNo">113</span> * Called by the ProcedureExecutor to mark the procedure step as running.<a name="line.113"></a> -<span class="sourceLineNo">114</span> */<a name="line.114"></a> -<span class="sourceLineNo">115</span> protected synchronized boolean acquire(Procedure<TEnvironment> proc) {<a name="line.115"></a> -<span class="sourceLineNo">116</span> if (state != State.RUNNING) {<a name="line.116"></a> -<span class="sourceLineNo">117</span> return false;<a name="line.117"></a> -<span class="sourceLineNo">118</span> }<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span> running++;<a name="line.120"></a> -<span class="sourceLineNo">121</span> return true;<a name="line.121"></a> -<span class="sourceLineNo">122</span> }<a name="line.122"></a> +<span class="sourceLineNo">101</span> protected synchronized List<Procedure<TEnvironment>> getSubproceduresStack() {<a name="line.101"></a> +<span class="sourceLineNo">102</span> return subprocStack;<a name="line.102"></a> +<span class="sourceLineNo">103</span> }<a name="line.103"></a> +<span class="sourceLineNo">104</span><a name="line.104"></a> +<span class="sourceLineNo">105</span> protected synchronized RemoteProcedureException getException() {<a name="line.105"></a> +<span class="sourceLineNo">106</span> if (subprocStack != null) {<a name="line.106"></a> +<span class="sourceLineNo">107</span> for (Procedure<TEnvironment> proc: subprocStack) {<a name="line.107"></a> +<span class="sourceLineNo">108</span> if (proc.hasException()) {<a name="line.108"></a> +<span class="sourceLineNo">109</span> return proc.getException();<a name="line.109"></a> +<span class="sourceLineNo">110</span> }<a name="line.110"></a> +<span class="sourceLineNo">111</span> }<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span> return null;<a name="line.113"></a> +<span class="sourceLineNo">114</span> }<a name="line.114"></a> +<span class="sourceLineNo">115</span><a name="line.115"></a> +<span class="sourceLineNo">116</span> /**<a name="line.116"></a> +<span class="sourceLineNo">117</span> * Called by the ProcedureExecutor to mark the procedure step as running.<a name="line.117"></a> +<span class="sourceLineNo">118</span> */<a name="line.118"></a> +<span class="sourceLineNo">119</span> protected synchronized boolean acquire(Procedure<TEnvironment> proc) {<a name="line.119"></a> +<span class="sourceLineNo">120</span> if (state != State.RUNNING) {<a name="line.120"></a> +<span class="sourceLineNo">121</span> return false;<a name="line.121"></a> +<span class="sourceLineNo">122</span> }<a name="line.122"></a> <span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> /**<a name="line.124"></a> -<span class="sourceLineNo">125</span> * Called by the ProcedureExecutor to mark the procedure step as finished.<a name="line.125"></a> -<span class="sourceLineNo">126</span> */<a name="line.126"></a> -<span class="sourceLineNo">127</span> protected synchronized void release(Procedure<TEnvironment> proc) {<a name="line.127"></a> -<span class="sourceLineNo">128</span> running--;<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> protected synchronized void abort() {<a name="line.131"></a> -<span class="sourceLineNo">132</span> if (state == State.RUNNING) {<a name="line.132"></a> -<span class="sourceLineNo">133</span> state = State.FAILED;<a name="line.133"></a> -<span class="sourceLineNo">134</span> }<a name="line.134"></a> -<span class="sourceLineNo">135</span> }<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> /**<a name="line.137"></a> -<span class="sourceLineNo">138</span> * Called by the ProcedureExecutor after the procedure step is completed,<a name="line.138"></a> -<span class="sourceLineNo">139</span> * to add the step to the rollback list (or procedure stack)<a name="line.139"></a> -<span class="sourceLineNo">140</span> */<a name="line.140"></a> -<span class="sourceLineNo">141</span> protected synchronized void addRollbackStep(Procedure<TEnvironment> proc) {<a name="line.141"></a> -<span class="sourceLineNo">142</span> if (proc.isFailed()) {<a name="line.142"></a> -<span class="sourceLineNo">143</span> state = State.FAILED;<a name="line.143"></a> -<span class="sourceLineNo">144</span> }<a name="line.144"></a> -<span class="sourceLineNo">145</span> if (subprocStack == null) {<a name="line.145"></a> -<span class="sourceLineNo">146</span> subprocStack = new ArrayList<>();<a name="line.146"></a> -<span class="sourceLineNo">147</span> }<a name="line.147"></a> -<span class="sourceLineNo">148</span> proc.addStackIndex(subprocStack.size());<a name="line.148"></a> -<span class="sourceLineNo">149</span> subprocStack.add(proc);<a name="line.149"></a> -<span class="sourceLineNo">150</span> }<a name="line.150"></a> -<span class="sourceLineNo">151</span><a name="line.151"></a> -<span class="sourceLineNo">152</span> protected synchronized void addSubProcedure(Procedure<TEnvironment> proc) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> if (!proc.hasParent()) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> return;<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span> if (subprocs == null) {<a name="line.156"></a> -<span class="sourceLineNo">157</span> subprocs = new HashSet<>();<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<a name="line.158"></a> -<span class="sourceLineNo">159</span> subprocs.add(proc);<a name="line.159"></a> -<span class="sourceLineNo">160</span> }<a name="line.160"></a> -<span class="sourceLineNo">161</span><a name="line.161"></a> -<span class="sourceLineNo">162</span> /**<a name="line.162"></a> -<span class="sourceLineNo">163</span> * Called on store load by the ProcedureExecutor to load part of the stack.<a name="line.163"></a> -<span class="sourceLineNo">164</span> *<a name="line.164"></a> -<span class="sourceLineNo">165</span> * Each procedure has its own stack-positions. Which means we have to write<a name="line.165"></a> -<span class="sourceLineNo">166</span> * to the store only the Procedure we executed, and nothing else.<a name="line.166"></a> -<span class="sourceLineNo">167</span> * on load we recreate the full stack by aggregating each procedure stack-positions.<a name="line.167"></a> -<span class="sourceLineNo">168</span> */<a name="line.168"></a> -<span class="sourceLineNo">169</span> protected synchronized void loadStack(Procedure<TEnvironment> proc) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> addSubProcedure(proc);<a name="line.170"></a> -<span class="sourceLineNo">171</span> int[] stackIndexes = proc.getStackIndexes();<a name="line.171"></a> -<span class="sourceLineNo">172</span> if (stackIndexes != null) {<a name="line.172"></a> -<span class="sourceLineNo">173</span> if (subprocStack == null) {<a name="line.173"></a> -<span class="sourceLineNo">174</span> subprocStack = new ArrayList<>();<a name="line.174"></a> -<span class="sourceLineNo">175</span> }<a name="line.175"></a> -<span class="sourceLineNo">176</span> int diff = (1 + stackIndexes[stackIndexes.length - 1]) - subprocStack.size();<a name="line.176"></a> -<span class="sourceLineNo">177</span> if (diff > 0) {<a name="line.177"></a> -<span class="sourceLineNo">178</span> subprocStack.ensureCapacity(1 + stackIndexes[stackIndexes.length - 1]);<a name="line.178"></a> -<span class="sourceLineNo">179</span> while (diff-- > 0) subprocStack.add(null);<a name="line.179"></a> +<span class="sourceLineNo">124</span> running++;<a name="line.124"></a> +<span class="sourceLineNo">125</span> return true;<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span><a name="line.127"></a> +<span class="sourceLineNo">128</span> /**<a name="line.128"></a> +<span class="sourceLineNo">129</span> * Called by the ProcedureExecutor to mark the procedure step as finished.<a name="line.129"></a> +<span class="sourceLineNo">130</span> */<a name="line.130"></a> +<span class="sourceLineNo">131</span> protected synchronized void release(Procedure<TEnvironment> proc) {<a name="line.131"></a> +<span class="sourceLineNo">132</span> running--;<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span> protected synchronized void abort() {<a name="line.135"></a> +<span class="sourceLineNo">136</span> if (state == State.RUNNING) {<a name="line.136"></a> +<span class="sourceLineNo">137</span> state = State.FAILED;<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> +<span class="sourceLineNo">141</span> /**<a name="line.141"></a> +<span class="sourceLineNo">142</span> * Called by the ProcedureExecutor after the procedure step is completed,<a name="line.142"></a> +<span class="sourceLineNo">143</span> * to add the step to the rollback list (or procedure stack)<a name="line.143"></a> +<span class="sourceLineNo">144</span> */<a name="line.144"></a> +<span class="sourceLineNo">145</span> protected synchronized void addRollbackStep(Procedure<TEnvironment> proc) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> if (proc.isFailed()) {<a name="line.146"></a> +<span class="sourceLineNo">147</span> state = State.FAILED;<a name="line.147"></a> +<span class="sourceLineNo">148</span> }<a name="line.148"></a> +<span class="sourceLineNo">149</span> if (subprocStack == null) {<a name="line.149"></a> +<span class="sourceLineNo">150</span> subprocStack = new ArrayList<>();<a name="line.150"></a> +<span class="sourceLineNo">151</span> }<a name="line.151"></a> +<span class="sourceLineNo">152</span> proc.addStackIndex(subprocStack.size());<a name="line.152"></a> +<span class="sourceLineNo">153</span> LOG.debug("Add procedure {} as the {}th rollback step", proc, subprocStack.size());<a name="line.153"></a> +<span class="sourceLineNo">154</span> subprocStack.add(proc);<a name="line.154"></a> +<span class="sourceLineNo">155</span> }<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> protected synchronized void addSubProcedure(Procedure<TEnvironment> proc) {<a name="line.157"></a> +<span class="sourceLineNo">158</span> if (!proc.hasParent()) {<a name="line.158"></a> +<span class="sourceLineNo">159</span> return;<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span> if (subprocs == null) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> subprocs = new HashSet<>();<a name="line.162"></a> +<span class="sourceLineNo">163</span> }<a name="line.163"></a> +<span class="sourceLineNo">164</span> subprocs.add(proc);<a name="line.164"></a> +<span class="sourceLineNo">165</span> }<a name="line.165"></a> +<span class="sourceLineNo">166</span><a name="line.166"></a> +<span class="sourceLineNo">167</span> /**<a name="line.167"></a> +<span class="sourceLineNo">168</span> * Called on store load by the ProcedureExecutor to load part of the stack.<a name="line.168"></a> +<span class="sourceLineNo">169</span> *<a name="line.169"></a> +<span class="sourceLineNo">170</span> * Each procedure has its own stack-positions. Which means we have to write<a name="line.170"></a> +<span class="sourceLineNo">171</span> * to the store only the Procedure we executed, and nothing else.<a name="line.171"></a> +<span class="sourceLineNo">172</span> * on load we recreate the full stack by aggregating each procedure stack-positions.<a name="line.172"></a> +<span class="sourceLineNo">173</span> */<a name="line.173"></a> +<span class="sourceLineNo">174</span> protected synchronized void loadStack(Procedure<TEnvironment> proc) {<a name="line.174"></a> +<span class="sourceLineNo">175</span> addSubProcedure(proc);<a name="line.175"></a> +<span class="sourceLineNo">176</span> int[] stackIndexes = proc.getStackIndexes();<a name="line.176"></a> +<span class="sourceLineNo">177</span> if (stackIndexes != null) {<a name="line.177"></a> +<span class="sourceLineNo">178</span> if (subprocStack == null) {<a name="line.178"></a> +<span class="sourceLineNo">179</span> subprocStack = new ArrayList<>();<a name="line.179"></a> <span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span> for (int i = 0; i < stackIndexes.length; ++i) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> subprocStack.set(stackIndexes[i], proc);<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<a name="line.184"></a> -<span class="sourceLineNo">185</span> if (proc.getState() == ProcedureState.ROLLEDBACK) {<a name="line.185"></a> -<span class="sourceLineNo">186</span> state = State.ROLLINGBACK;<a name="line.186"></a> -<span class="sourceLineNo">187</span> } else if (proc.isFailed()) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> state = State.FAILED;<a name="line.188"></a> +<span class="sourceLineNo">181</span> int diff = (1 + stackIndexes[stackIndexes.length - 1]) - subprocStack.size();<a name="line.181"></a> +<span class="sourceLineNo">182</span> if (diff > 0) {<a name="line.182"></a> +<span class="sourceLineNo">183</span> subprocStack.ensureCapacity(1 + stackIndexes[stackIndexes.length - 1]);<a name="line.183"></a> +<span class="sourceLineNo">184</span> while (diff-- > 0) subprocStack.add(null);<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span> for (int i = 0; i < stackIndexes.length; ++i) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> subprocStack.set(stackIndexes[i], proc);<a name="line.187"></a> +<span class="sourceLineNo">188</span> }<a name="line.188"></a> <span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> /**<a name="line.192"></a> -<span class="sourceLineNo">193</span> * Called on store load by the ProcedureExecutor to validate the procedure stack.<a name="line.193"></a> -<span class="sourceLineNo">194</span> */<a name="line.194"></a> -<span class="sourceLineNo">195</span> protected synchronized boolean isValid() {<a name="line.195"></a> -<span class="sourceLineNo">196</span> if (subprocStack != null) {<a name="line.196"></a> -<span class="sourceLineNo">197</span> for (Procedure<TEnvironment> proc : subprocStack) {<a name="line.197"></a> -<span class="sourceLineNo">198</span> if (proc == null) {<a name="line.198"></a> -<span class="sourceLineNo">199</span> return false;<a name="line.199"></a> -<span class="sourceLineNo">200</span> }<a name="line.200"></a> -<span class="sourceLineNo">201</span> }<a name="line.201"></a> -<span class="sourceLineNo">202</span> }<a name="line.202"></a> -<span class="sourceLineNo">203</span> return true;<a name="line.203"></a> -<span class="sourceLineNo">204</span> }<a name="line.204"></a> -<span class="sourceLineNo">205</span>}<a name="line.205"></a> +<span class="sourceLineNo">190</span> if (proc.getState() == ProcedureState.ROLLEDBACK) {<a name="line.190"></a> +<span class="sourceLineNo">191</span> state = State.ROLLINGBACK;<a name="line.191"></a> +<span class="sourceLineNo">192</span> } else if (proc.isFailed()) {<a name="line.192"></a> +<span class="sourceLineNo">193</span> state = State.FAILED;<a name="line.193"></a> +<span class="sourceLineNo">194</span> }<a name="line.194"></a> +<span class="sourceLineNo">195</span> }<a name="line.195"></a> +<span class="sourceLineNo">196</span><a name="line.196"></a> +<span class="sourceLineNo">197</span> /**<a name="line.197"></a> +<span class="sourceLineNo">198</span> * Called on store load by the ProcedureExecutor to validate the procedure stack.<a name="line.198"></a> +<span class="sourceLineNo">199</span> */<a name="line.199"></a> +<span class="sourceLineNo">200</span> protected synchronized boolean isValid() {<a name="line.200"></a> +<span class="sourceLineNo">201</span> if (subprocStack != null) {<a name="line.201"></a> +<span class="sourceLineNo">202</span> for (Procedure<TEnvironment> proc : subprocStack) {<a name="line.202"></a> +<span class="sourceLineNo">203</span> if (proc == null) {<a name="line.203"></a> +<span class="sourceLineNo">204</span> return false;<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span> }<a name="line.207"></a> +<span class="sourceLineNo">208</span> return true;<a name="line.208"></a> +<span class="sourceLineNo">209</span> }<a name="line.209"></a> +<span class="sourceLineNo">210</span>}<a name="line.210"></a>