http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/Procedure.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/Procedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/Procedure.html index 6086d40..3cfacfc 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/Procedure.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/Procedure.html @@ -903,103 +903,108 @@ <span class="sourceLineNo">895</span> return;<a name="line.895"></a> <span class="sourceLineNo">896</span> }<a name="line.896"></a> <span class="sourceLineNo">897</span><a name="line.897"></a> -<span class="sourceLineNo">898</span> LOG.debug("{} held the lock before restarting, call acquireLock to restore it.", this);<a name="line.898"></a> -<span class="sourceLineNo">899</span> LockState state = acquireLock(env);<a name="line.899"></a> -<span class="sourceLineNo">900</span> assert state == LockState.LOCK_ACQUIRED;<a name="line.900"></a> -<span class="sourceLineNo">901</span> }<a name="line.901"></a> +<span class="sourceLineNo">898</span> if (isFinished()) {<a name="line.898"></a> +<span class="sourceLineNo">899</span> LOG.debug("{} is already finished, skip acquiring lock.", this);<a name="line.899"></a> +<span class="sourceLineNo">900</span> return;<a name="line.900"></a> +<span class="sourceLineNo">901</span> }<a name="line.901"></a> <span class="sourceLineNo">902</span><a name="line.902"></a> -<span class="sourceLineNo">903</span> /**<a name="line.903"></a> -<span class="sourceLineNo">904</span> * Internal method called by the ProcedureExecutor that starts the user-level code acquireLock().<a name="line.904"></a> -<span class="sourceLineNo">905</span> */<a name="line.905"></a> -<span class="sourceLineNo">906</span> final LockState doAcquireLock(TEnvironment env, ProcedureStore store) {<a name="line.906"></a> -<span class="sourceLineNo">907</span> if (waitInitialized(env)) {<a name="line.907"></a> -<span class="sourceLineNo">908</span> return LockState.LOCK_EVENT_WAIT;<a name="line.908"></a> -<span class="sourceLineNo">909</span> }<a name="line.909"></a> -<span class="sourceLineNo">910</span> if (lockedWhenLoading) {<a name="line.910"></a> -<span class="sourceLineNo">911</span> // reset it so we will not consider it anymore<a name="line.911"></a> -<span class="sourceLineNo">912</span> lockedWhenLoading = false;<a name="line.912"></a> -<span class="sourceLineNo">913</span> locked = true;<a name="line.913"></a> -<span class="sourceLineNo">914</span> // Here we return without persist the locked state, as lockedWhenLoading is true means<a name="line.914"></a> -<span class="sourceLineNo">915</span> // that the locked field of the procedure stored in procedure store is true, so we do not need<a name="line.915"></a> -<span class="sourceLineNo">916</span> // to store it again.<a name="line.916"></a> -<span class="sourceLineNo">917</span> return LockState.LOCK_ACQUIRED;<a name="line.917"></a> -<span class="sourceLineNo">918</span> }<a name="line.918"></a> -<span class="sourceLineNo">919</span> LockState state = acquireLock(env);<a name="line.919"></a> -<span class="sourceLineNo">920</span> if (state == LockState.LOCK_ACQUIRED) {<a name="line.920"></a> -<span class="sourceLineNo">921</span> locked = true;<a name="line.921"></a> -<span class="sourceLineNo">922</span> // persist that we have held the lock. This must be done before we actually execute the<a name="line.922"></a> -<span class="sourceLineNo">923</span> // procedure, otherwise when restarting, we may consider the procedure does not have a lock,<a name="line.923"></a> -<span class="sourceLineNo">924</span> // but it may have already done some changes as we have already executed it, and if another<a name="line.924"></a> -<span class="sourceLineNo">925</span> // procedure gets the lock, then the semantic will be broken if the holdLock is true, as we do<a name="line.925"></a> -<span class="sourceLineNo">926</span> // not expect that another procedure can be executed in the middle.<a name="line.926"></a> -<span class="sourceLineNo">927</span> store.update(this);<a name="line.927"></a> -<span class="sourceLineNo">928</span> }<a name="line.928"></a> -<span class="sourceLineNo">929</span> return state;<a name="line.929"></a> -<span class="sourceLineNo">930</span> }<a name="line.930"></a> -<span class="sourceLineNo">931</span><a name="line.931"></a> -<span class="sourceLineNo">932</span> /**<a name="line.932"></a> -<span class="sourceLineNo">933</span> * Internal method called by the ProcedureExecutor that starts the user-level code releaseLock().<a name="line.933"></a> -<span class="sourceLineNo">934</span> */<a name="line.934"></a> -<span class="sourceLineNo">935</span> final void doReleaseLock(TEnvironment env, ProcedureStore store) {<a name="line.935"></a> -<span class="sourceLineNo">936</span> locked = false;<a name="line.936"></a> -<span class="sourceLineNo">937</span> // persist that we have released the lock. This must be done before we actually release the<a name="line.937"></a> -<span class="sourceLineNo">938</span> // lock. Another procedure may take this lock immediately after we release the lock, and if we<a name="line.938"></a> -<span class="sourceLineNo">939</span> // crash before persist the information that we have already released the lock, then when<a name="line.939"></a> -<span class="sourceLineNo">940</span> // restarting there will be two procedures which both have the lock and cause problems.<a name="line.940"></a> -<span class="sourceLineNo">941</span> if (getState() != ProcedureState.ROLLEDBACK) {<a name="line.941"></a> -<span class="sourceLineNo">942</span> // If the state is ROLLEDBACK, it means that we have already deleted the procedure from<a name="line.942"></a> -<span class="sourceLineNo">943</span> // procedure store, so do not need to log the release operation any more.<a name="line.943"></a> -<span class="sourceLineNo">944</span> store.update(this);<a name="line.944"></a> -<span class="sourceLineNo">945</span> }<a name="line.945"></a> -<span class="sourceLineNo">946</span> releaseLock(env);<a name="line.946"></a> -<span class="sourceLineNo">947</span> }<a name="line.947"></a> -<span class="sourceLineNo">948</span><a name="line.948"></a> -<span class="sourceLineNo">949</span> @Override<a name="line.949"></a> -<span class="sourceLineNo">950</span> public int compareTo(final Procedure<TEnvironment> other) {<a name="line.950"></a> -<span class="sourceLineNo">951</span> return Long.compare(getProcId(), other.getProcId());<a name="line.951"></a> +<span class="sourceLineNo">903</span> LOG.debug("{} held the lock before restarting, call acquireLock to restore it.", this);<a name="line.903"></a> +<span class="sourceLineNo">904</span> LockState state = acquireLock(env);<a name="line.904"></a> +<span class="sourceLineNo">905</span> assert state == LockState.LOCK_ACQUIRED;<a name="line.905"></a> +<span class="sourceLineNo">906</span> }<a name="line.906"></a> +<span class="sourceLineNo">907</span><a name="line.907"></a> +<span class="sourceLineNo">908</span> /**<a name="line.908"></a> +<span class="sourceLineNo">909</span> * Internal method called by the ProcedureExecutor that starts the user-level code acquireLock().<a name="line.909"></a> +<span class="sourceLineNo">910</span> */<a name="line.910"></a> +<span class="sourceLineNo">911</span> final LockState doAcquireLock(TEnvironment env, ProcedureStore store) {<a name="line.911"></a> +<span class="sourceLineNo">912</span> if (waitInitialized(env)) {<a name="line.912"></a> +<span class="sourceLineNo">913</span> return LockState.LOCK_EVENT_WAIT;<a name="line.913"></a> +<span class="sourceLineNo">914</span> }<a name="line.914"></a> +<span class="sourceLineNo">915</span> if (lockedWhenLoading) {<a name="line.915"></a> +<span class="sourceLineNo">916</span> // reset it so we will not consider it anymore<a name="line.916"></a> +<span class="sourceLineNo">917</span> lockedWhenLoading = false;<a name="line.917"></a> +<span class="sourceLineNo">918</span> locked = true;<a name="line.918"></a> +<span class="sourceLineNo">919</span> // Here we return without persist the locked state, as lockedWhenLoading is true means<a name="line.919"></a> +<span class="sourceLineNo">920</span> // that the locked field of the procedure stored in procedure store is true, so we do not need<a name="line.920"></a> +<span class="sourceLineNo">921</span> // to store it again.<a name="line.921"></a> +<span class="sourceLineNo">922</span> return LockState.LOCK_ACQUIRED;<a name="line.922"></a> +<span class="sourceLineNo">923</span> }<a name="line.923"></a> +<span class="sourceLineNo">924</span> LockState state = acquireLock(env);<a name="line.924"></a> +<span class="sourceLineNo">925</span> if (state == LockState.LOCK_ACQUIRED) {<a name="line.925"></a> +<span class="sourceLineNo">926</span> locked = true;<a name="line.926"></a> +<span class="sourceLineNo">927</span> // persist that we have held the lock. This must be done before we actually execute the<a name="line.927"></a> +<span class="sourceLineNo">928</span> // procedure, otherwise when restarting, we may consider the procedure does not have a lock,<a name="line.928"></a> +<span class="sourceLineNo">929</span> // but it may have already done some changes as we have already executed it, and if another<a name="line.929"></a> +<span class="sourceLineNo">930</span> // procedure gets the lock, then the semantic will be broken if the holdLock is true, as we do<a name="line.930"></a> +<span class="sourceLineNo">931</span> // not expect that another procedure can be executed in the middle.<a name="line.931"></a> +<span class="sourceLineNo">932</span> store.update(this);<a name="line.932"></a> +<span class="sourceLineNo">933</span> }<a name="line.933"></a> +<span class="sourceLineNo">934</span> return state;<a name="line.934"></a> +<span class="sourceLineNo">935</span> }<a name="line.935"></a> +<span class="sourceLineNo">936</span><a name="line.936"></a> +<span class="sourceLineNo">937</span> /**<a name="line.937"></a> +<span class="sourceLineNo">938</span> * Internal method called by the ProcedureExecutor that starts the user-level code releaseLock().<a name="line.938"></a> +<span class="sourceLineNo">939</span> */<a name="line.939"></a> +<span class="sourceLineNo">940</span> final void doReleaseLock(TEnvironment env, ProcedureStore store) {<a name="line.940"></a> +<span class="sourceLineNo">941</span> locked = false;<a name="line.941"></a> +<span class="sourceLineNo">942</span> // persist that we have released the lock. This must be done before we actually release the<a name="line.942"></a> +<span class="sourceLineNo">943</span> // lock. Another procedure may take this lock immediately after we release the lock, and if we<a name="line.943"></a> +<span class="sourceLineNo">944</span> // crash before persist the information that we have already released the lock, then when<a name="line.944"></a> +<span class="sourceLineNo">945</span> // restarting there will be two procedures which both have the lock and cause problems.<a name="line.945"></a> +<span class="sourceLineNo">946</span> if (getState() != ProcedureState.ROLLEDBACK) {<a name="line.946"></a> +<span class="sourceLineNo">947</span> // If the state is ROLLEDBACK, it means that we have already deleted the procedure from<a name="line.947"></a> +<span class="sourceLineNo">948</span> // procedure store, so do not need to log the release operation any more.<a name="line.948"></a> +<span class="sourceLineNo">949</span> store.update(this);<a name="line.949"></a> +<span class="sourceLineNo">950</span> }<a name="line.950"></a> +<span class="sourceLineNo">951</span> releaseLock(env);<a name="line.951"></a> <span class="sourceLineNo">952</span> }<a name="line.952"></a> <span class="sourceLineNo">953</span><a name="line.953"></a> -<span class="sourceLineNo">954</span> // ==========================================================================<a name="line.954"></a> -<span class="sourceLineNo">955</span> // misc utils<a name="line.955"></a> -<span class="sourceLineNo">956</span> // ==========================================================================<a name="line.956"></a> -<span class="sourceLineNo">957</span><a name="line.957"></a> -<span class="sourceLineNo">958</span> /**<a name="line.958"></a> -<span class="sourceLineNo">959</span> * Get an hashcode for the specified Procedure ID<a name="line.959"></a> -<span class="sourceLineNo">960</span> * @return the hashcode for the specified procId<a name="line.960"></a> -<span class="sourceLineNo">961</span> */<a name="line.961"></a> -<span class="sourceLineNo">962</span> public static long getProcIdHashCode(long procId) {<a name="line.962"></a> -<span class="sourceLineNo">963</span> long h = procId;<a name="line.963"></a> -<span class="sourceLineNo">964</span> h ^= h >> 16;<a name="line.964"></a> -<span class="sourceLineNo">965</span> h *= 0x85ebca6b;<a name="line.965"></a> -<span class="sourceLineNo">966</span> h ^= h >> 13;<a name="line.966"></a> -<span class="sourceLineNo">967</span> h *= 0xc2b2ae35;<a name="line.967"></a> -<span class="sourceLineNo">968</span> h ^= h >> 16;<a name="line.968"></a> -<span class="sourceLineNo">969</span> return h;<a name="line.969"></a> -<span class="sourceLineNo">970</span> }<a name="line.970"></a> -<span class="sourceLineNo">971</span><a name="line.971"></a> -<span class="sourceLineNo">972</span> /**<a name="line.972"></a> -<span class="sourceLineNo">973</span> * Helper to lookup the root Procedure ID given a specified procedure.<a name="line.973"></a> -<span class="sourceLineNo">974</span> */<a name="line.974"></a> -<span class="sourceLineNo">975</span> protected static <T> Long getRootProcedureId(Map<Long, Procedure<T>> procedures,<a name="line.975"></a> -<span class="sourceLineNo">976</span> Procedure<T> proc) {<a name="line.976"></a> -<span class="sourceLineNo">977</span> while (proc.hasParent()) {<a name="line.977"></a> -<span class="sourceLineNo">978</span> proc = procedures.get(proc.getParentProcId());<a name="line.978"></a> -<span class="sourceLineNo">979</span> if (proc == null) {<a name="line.979"></a> -<span class="sourceLineNo">980</span> return null;<a name="line.980"></a> -<span class="sourceLineNo">981</span> }<a name="line.981"></a> -<span class="sourceLineNo">982</span> }<a name="line.982"></a> -<span class="sourceLineNo">983</span> return proc.getProcId();<a name="line.983"></a> -<span class="sourceLineNo">984</span> }<a name="line.984"></a> -<span class="sourceLineNo">985</span><a name="line.985"></a> -<span class="sourceLineNo">986</span> /**<a name="line.986"></a> -<span class="sourceLineNo">987</span> * @param a the first procedure to be compared.<a name="line.987"></a> -<span class="sourceLineNo">988</span> * @param b the second procedure to be compared.<a name="line.988"></a> -<span class="sourceLineNo">989</span> * @return true if the two procedures have the same parent<a name="line.989"></a> -<span class="sourceLineNo">990</span> */<a name="line.990"></a> -<span class="sourceLineNo">991</span> public static boolean haveSameParent(Procedure<?> a, Procedure<?> b) {<a name="line.991"></a> -<span class="sourceLineNo">992</span> return a.hasParent() && b.hasParent() && (a.getParentProcId() == b.getParentProcId());<a name="line.992"></a> -<span class="sourceLineNo">993</span> }<a name="line.993"></a> -<span class="sourceLineNo">994</span>}<a name="line.994"></a> +<span class="sourceLineNo">954</span> @Override<a name="line.954"></a> +<span class="sourceLineNo">955</span> public int compareTo(final Procedure<TEnvironment> other) {<a name="line.955"></a> +<span class="sourceLineNo">956</span> return Long.compare(getProcId(), other.getProcId());<a name="line.956"></a> +<span class="sourceLineNo">957</span> }<a name="line.957"></a> +<span class="sourceLineNo">958</span><a name="line.958"></a> +<span class="sourceLineNo">959</span> // ==========================================================================<a name="line.959"></a> +<span class="sourceLineNo">960</span> // misc utils<a name="line.960"></a> +<span class="sourceLineNo">961</span> // ==========================================================================<a name="line.961"></a> +<span class="sourceLineNo">962</span><a name="line.962"></a> +<span class="sourceLineNo">963</span> /**<a name="line.963"></a> +<span class="sourceLineNo">964</span> * Get an hashcode for the specified Procedure ID<a name="line.964"></a> +<span class="sourceLineNo">965</span> * @return the hashcode for the specified procId<a name="line.965"></a> +<span class="sourceLineNo">966</span> */<a name="line.966"></a> +<span class="sourceLineNo">967</span> public static long getProcIdHashCode(long procId) {<a name="line.967"></a> +<span class="sourceLineNo">968</span> long h = procId;<a name="line.968"></a> +<span class="sourceLineNo">969</span> h ^= h >> 16;<a name="line.969"></a> +<span class="sourceLineNo">970</span> h *= 0x85ebca6b;<a name="line.970"></a> +<span class="sourceLineNo">971</span> h ^= h >> 13;<a name="line.971"></a> +<span class="sourceLineNo">972</span> h *= 0xc2b2ae35;<a name="line.972"></a> +<span class="sourceLineNo">973</span> h ^= h >> 16;<a name="line.973"></a> +<span class="sourceLineNo">974</span> return h;<a name="line.974"></a> +<span class="sourceLineNo">975</span> }<a name="line.975"></a> +<span class="sourceLineNo">976</span><a name="line.976"></a> +<span class="sourceLineNo">977</span> /**<a name="line.977"></a> +<span class="sourceLineNo">978</span> * Helper to lookup the root Procedure ID given a specified procedure.<a name="line.978"></a> +<span class="sourceLineNo">979</span> */<a name="line.979"></a> +<span class="sourceLineNo">980</span> protected static <T> Long getRootProcedureId(Map<Long, Procedure<T>> procedures,<a name="line.980"></a> +<span class="sourceLineNo">981</span> Procedure<T> proc) {<a name="line.981"></a> +<span class="sourceLineNo">982</span> while (proc.hasParent()) {<a name="line.982"></a> +<span class="sourceLineNo">983</span> proc = procedures.get(proc.getParentProcId());<a name="line.983"></a> +<span class="sourceLineNo">984</span> if (proc == null) {<a name="line.984"></a> +<span class="sourceLineNo">985</span> return null;<a name="line.985"></a> +<span class="sourceLineNo">986</span> }<a name="line.986"></a> +<span class="sourceLineNo">987</span> }<a name="line.987"></a> +<span class="sourceLineNo">988</span> return proc.getProcId();<a name="line.988"></a> +<span class="sourceLineNo">989</span> }<a name="line.989"></a> +<span class="sourceLineNo">990</span><a name="line.990"></a> +<span class="sourceLineNo">991</span> /**<a name="line.991"></a> +<span class="sourceLineNo">992</span> * @param a the first procedure to be compared.<a name="line.992"></a> +<span class="sourceLineNo">993</span> * @param b the second procedure to be compared.<a name="line.993"></a> +<span class="sourceLineNo">994</span> * @return true if the two procedures have the same parent<a name="line.994"></a> +<span class="sourceLineNo">995</span> */<a name="line.995"></a> +<span class="sourceLineNo">996</span> public static boolean haveSameParent(Procedure<?> a, Procedure<?> b) {<a name="line.996"></a> +<span class="sourceLineNo">997</span> return a.hasParent() && b.hasParent() && (a.getParentProcId() == b.getParentProcId());<a name="line.997"></a> +<span class="sourceLineNo">998</span> }<a name="line.998"></a> +<span class="sourceLineNo">999</span>}<a name="line.999"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALPrettyPrinter.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALPrettyPrinter.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALPrettyPrinter.html index 8b4de07..493a0e1 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALPrettyPrinter.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALPrettyPrinter.html @@ -40,163 +40,167 @@ <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.32"></a> <span class="sourceLineNo">033</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.33"></a> <span class="sourceLineNo">034</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.procedure2.ProcedureUtil;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureWALEntry;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureWALHeader;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.util.Tool;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.util.ToolRunner;<a name="line.40"></a> -<span class="sourceLineNo">041</span><a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.HelpFormatter;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.Options;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.ParseException;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.PosixParser;<a name="line.46"></a> -<span class="sourceLineNo">047</span><a name="line.47"></a> -<span class="sourceLineNo">048</span>/**<a name="line.48"></a> -<span class="sourceLineNo">049</span> * ProcedureWALPrettyPrinter prints the contents of a given ProcedureWAL file<a name="line.49"></a> -<span class="sourceLineNo">050</span> */<a name="line.50"></a> -<span class="sourceLineNo">051</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)<a name="line.51"></a> -<span class="sourceLineNo">052</span>@InterfaceStability.Evolving<a name="line.52"></a> -<span class="sourceLineNo">053</span>public class ProcedureWALPrettyPrinter extends Configured implements Tool {<a name="line.53"></a> -<span class="sourceLineNo">054</span> private final PrintStream out;<a name="line.54"></a> -<span class="sourceLineNo">055</span><a name="line.55"></a> -<span class="sourceLineNo">056</span> public ProcedureWALPrettyPrinter() {<a name="line.56"></a> -<span class="sourceLineNo">057</span> out = System.out;<a name="line.57"></a> -<span class="sourceLineNo">058</span> }<a name="line.58"></a> +<span class="sourceLineNo">035</span>import org.slf4j.Logger;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.slf4j.LoggerFactory;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.procedure2.Procedure;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.procedure2.ProcedureUtil;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureWALEntry;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureWALHeader;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.util.Tool;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.util.ToolRunner;<a name="line.42"></a> +<span class="sourceLineNo">043</span><a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.HelpFormatter;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.Options;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.ParseException;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hbase.thirdparty.org.apache.commons.cli.PosixParser;<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> * ProcedureWALPrettyPrinter prints the contents of a given ProcedureWAL file<a name="line.51"></a> +<span class="sourceLineNo">052</span> */<a name="line.52"></a> +<span class="sourceLineNo">053</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)<a name="line.53"></a> +<span class="sourceLineNo">054</span>@InterfaceStability.Evolving<a name="line.54"></a> +<span class="sourceLineNo">055</span>public class ProcedureWALPrettyPrinter extends Configured implements Tool {<a name="line.55"></a> +<span class="sourceLineNo">056</span> private static final Logger LOG = LoggerFactory.getLogger(ProcedureWALPrettyPrinter.class);<a name="line.56"></a> +<span class="sourceLineNo">057</span><a name="line.57"></a> +<span class="sourceLineNo">058</span> private final PrintStream out;<a name="line.58"></a> <span class="sourceLineNo">059</span><a name="line.59"></a> -<span class="sourceLineNo">060</span> /**<a name="line.60"></a> -<span class="sourceLineNo">061</span> * Reads a log file and outputs its contents.<a name="line.61"></a> -<span class="sourceLineNo">062</span> *<a name="line.62"></a> -<span class="sourceLineNo">063</span> * @param conf HBase configuration relevant to this log file<a name="line.63"></a> -<span class="sourceLineNo">064</span> * @param p path of the log file to be read<a name="line.64"></a> -<span class="sourceLineNo">065</span> * @throws IOException IOException<a name="line.65"></a> -<span class="sourceLineNo">066</span> */<a name="line.66"></a> -<span class="sourceLineNo">067</span> public void processFile(final Configuration conf, final Path p)<a name="line.67"></a> -<span class="sourceLineNo">068</span> throws IOException {<a name="line.68"></a> -<span class="sourceLineNo">069</span><a name="line.69"></a> -<span class="sourceLineNo">070</span> FileSystem fs = p.getFileSystem(conf);<a name="line.70"></a> -<span class="sourceLineNo">071</span> if (!fs.exists(p)) {<a name="line.71"></a> -<span class="sourceLineNo">072</span> System.err.println("ERROR, file doesnt exist: " + p);<a name="line.72"></a> -<span class="sourceLineNo">073</span> return;<a name="line.73"></a> -<span class="sourceLineNo">074</span> }<a name="line.74"></a> -<span class="sourceLineNo">075</span> if (!fs.isFile(p)) {<a name="line.75"></a> -<span class="sourceLineNo">076</span> System.err.println(p + " is not a file");<a name="line.76"></a> +<span class="sourceLineNo">060</span> public ProcedureWALPrettyPrinter() {<a name="line.60"></a> +<span class="sourceLineNo">061</span> out = System.out;<a name="line.61"></a> +<span class="sourceLineNo">062</span> }<a name="line.62"></a> +<span class="sourceLineNo">063</span><a name="line.63"></a> +<span class="sourceLineNo">064</span> /**<a name="line.64"></a> +<span class="sourceLineNo">065</span> * Reads a log file and outputs its contents.<a name="line.65"></a> +<span class="sourceLineNo">066</span> *<a name="line.66"></a> +<span class="sourceLineNo">067</span> * @param conf HBase configuration relevant to this log file<a name="line.67"></a> +<span class="sourceLineNo">068</span> * @param p path of the log file to be read<a name="line.68"></a> +<span class="sourceLineNo">069</span> * @throws IOException IOException<a name="line.69"></a> +<span class="sourceLineNo">070</span> */<a name="line.70"></a> +<span class="sourceLineNo">071</span> public void processFile(final Configuration conf, final Path p)<a name="line.71"></a> +<span class="sourceLineNo">072</span> throws IOException {<a name="line.72"></a> +<span class="sourceLineNo">073</span><a name="line.73"></a> +<span class="sourceLineNo">074</span> FileSystem fs = p.getFileSystem(conf);<a name="line.74"></a> +<span class="sourceLineNo">075</span> if (!fs.exists(p)) {<a name="line.75"></a> +<span class="sourceLineNo">076</span> System.err.println("ERROR, file doesnt exist: " + p);<a name="line.76"></a> <span class="sourceLineNo">077</span> return;<a name="line.77"></a> <span class="sourceLineNo">078</span> }<a name="line.78"></a> -<span class="sourceLineNo">079</span><a name="line.79"></a> -<span class="sourceLineNo">080</span> FileStatus logFile = fs.getFileStatus(p);<a name="line.80"></a> -<span class="sourceLineNo">081</span> if (logFile.getLen() == 0) {<a name="line.81"></a> -<span class="sourceLineNo">082</span> out.println("Zero length file: " + p);<a name="line.82"></a> -<span class="sourceLineNo">083</span> return;<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> out.println("Opening procedure state-log: " + p);<a name="line.86"></a> -<span class="sourceLineNo">087</span> ProcedureWALFile log = new ProcedureWALFile(fs, logFile);<a name="line.87"></a> -<span class="sourceLineNo">088</span> processProcedureWALFile(log);<a name="line.88"></a> -<span class="sourceLineNo">089</span> }<a name="line.89"></a> -<span class="sourceLineNo">090</span><a name="line.90"></a> -<span class="sourceLineNo">091</span> public void processProcedureWALFile(ProcedureWALFile log) throws IOException {<a name="line.91"></a> -<span class="sourceLineNo">092</span> log.open();<a name="line.92"></a> -<span class="sourceLineNo">093</span> ProcedureWALHeader header = log.getHeader();<a name="line.93"></a> -<span class="sourceLineNo">094</span> printHeader(header);<a name="line.94"></a> -<span class="sourceLineNo">095</span><a name="line.95"></a> -<span class="sourceLineNo">096</span> FSDataInputStream stream = log.getStream();<a name="line.96"></a> -<span class="sourceLineNo">097</span> try {<a name="line.97"></a> -<span class="sourceLineNo">098</span> boolean hasMore = true;<a name="line.98"></a> -<span class="sourceLineNo">099</span> while (hasMore) {<a name="line.99"></a> -<span class="sourceLineNo">100</span> ProcedureWALEntry entry = ProcedureWALFormat.readEntry(stream);<a name="line.100"></a> -<span class="sourceLineNo">101</span> if (entry == null) {<a name="line.101"></a> -<span class="sourceLineNo">102</span> out.println("No more entry, exiting with missing EOF");<a name="line.102"></a> -<span class="sourceLineNo">103</span> hasMore = false;<a name="line.103"></a> -<span class="sourceLineNo">104</span> break;<a name="line.104"></a> -<span class="sourceLineNo">105</span> }<a name="line.105"></a> -<span class="sourceLineNo">106</span> switch (entry.getType()) {<a name="line.106"></a> -<span class="sourceLineNo">107</span> case PROCEDURE_WAL_EOF:<a name="line.107"></a> -<span class="sourceLineNo">108</span> hasMore = false;<a name="line.108"></a> -<span class="sourceLineNo">109</span> break;<a name="line.109"></a> -<span class="sourceLineNo">110</span> default:<a name="line.110"></a> -<span class="sourceLineNo">111</span> printEntry(entry);<a name="line.111"></a> -<span class="sourceLineNo">112</span> }<a name="line.112"></a> -<span class="sourceLineNo">113</span> }<a name="line.113"></a> -<span class="sourceLineNo">114</span> } catch (IOException e) {<a name="line.114"></a> -<span class="sourceLineNo">115</span> out.println("got an exception while reading the procedure WAL " + e.getMessage());<a name="line.115"></a> -<span class="sourceLineNo">116</span> }<a name="line.116"></a> -<span class="sourceLineNo">117</span> finally {<a name="line.117"></a> -<span class="sourceLineNo">118</span> log.close();<a name="line.118"></a> -<span class="sourceLineNo">119</span> }<a name="line.119"></a> -<span class="sourceLineNo">120</span> }<a name="line.120"></a> -<span class="sourceLineNo">121</span><a name="line.121"></a> -<span class="sourceLineNo">122</span> private void printEntry(final ProcedureWALEntry entry) throws IOException {<a name="line.122"></a> -<span class="sourceLineNo">123</span> out.println("EntryType=" + entry.getType());<a name="line.123"></a> -<span class="sourceLineNo">124</span> int procCount = entry.getProcedureCount();<a name="line.124"></a> -<span class="sourceLineNo">125</span> for (int i = 0; i < procCount; i++) {<a name="line.125"></a> -<span class="sourceLineNo">126</span> Procedure<?> proc = ProcedureUtil.convertToProcedure(entry.getProcedure(i));<a name="line.126"></a> -<span class="sourceLineNo">127</span> printProcedure(proc);<a name="line.127"></a> -<span class="sourceLineNo">128</span> }<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> private void printProcedure(Procedure<?> proc) {<a name="line.131"></a> -<span class="sourceLineNo">132</span> out.println(proc.toStringDetails());<a name="line.132"></a> +<span class="sourceLineNo">079</span> if (!fs.isFile(p)) {<a name="line.79"></a> +<span class="sourceLineNo">080</span> System.err.println(p + " is not a file");<a name="line.80"></a> +<span class="sourceLineNo">081</span> return;<a name="line.81"></a> +<span class="sourceLineNo">082</span> }<a name="line.82"></a> +<span class="sourceLineNo">083</span><a name="line.83"></a> +<span class="sourceLineNo">084</span> FileStatus logFile = fs.getFileStatus(p);<a name="line.84"></a> +<span class="sourceLineNo">085</span> if (logFile.getLen() == 0) {<a name="line.85"></a> +<span class="sourceLineNo">086</span> out.println("Zero length file: " + p);<a name="line.86"></a> +<span class="sourceLineNo">087</span> return;<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> out.println("Opening procedure state-log: " + p);<a name="line.90"></a> +<span class="sourceLineNo">091</span> ProcedureWALFile log = new ProcedureWALFile(fs, logFile);<a name="line.91"></a> +<span class="sourceLineNo">092</span> processProcedureWALFile(log);<a name="line.92"></a> +<span class="sourceLineNo">093</span> }<a name="line.93"></a> +<span class="sourceLineNo">094</span><a name="line.94"></a> +<span class="sourceLineNo">095</span> public void processProcedureWALFile(ProcedureWALFile log) throws IOException {<a name="line.95"></a> +<span class="sourceLineNo">096</span> log.open();<a name="line.96"></a> +<span class="sourceLineNo">097</span> ProcedureWALHeader header = log.getHeader();<a name="line.97"></a> +<span class="sourceLineNo">098</span> printHeader(header);<a name="line.98"></a> +<span class="sourceLineNo">099</span><a name="line.99"></a> +<span class="sourceLineNo">100</span> FSDataInputStream stream = log.getStream();<a name="line.100"></a> +<span class="sourceLineNo">101</span> try {<a name="line.101"></a> +<span class="sourceLineNo">102</span> boolean hasMore = true;<a name="line.102"></a> +<span class="sourceLineNo">103</span> while (hasMore) {<a name="line.103"></a> +<span class="sourceLineNo">104</span> ProcedureWALEntry entry = ProcedureWALFormat.readEntry(stream);<a name="line.104"></a> +<span class="sourceLineNo">105</span> if (entry == null) {<a name="line.105"></a> +<span class="sourceLineNo">106</span> out.println("No more entry, exiting with missing EOF");<a name="line.106"></a> +<span class="sourceLineNo">107</span> hasMore = false;<a name="line.107"></a> +<span class="sourceLineNo">108</span> break;<a name="line.108"></a> +<span class="sourceLineNo">109</span> }<a name="line.109"></a> +<span class="sourceLineNo">110</span> switch (entry.getType()) {<a name="line.110"></a> +<span class="sourceLineNo">111</span> case PROCEDURE_WAL_EOF:<a name="line.111"></a> +<span class="sourceLineNo">112</span> hasMore = false;<a name="line.112"></a> +<span class="sourceLineNo">113</span> break;<a name="line.113"></a> +<span class="sourceLineNo">114</span> default:<a name="line.114"></a> +<span class="sourceLineNo">115</span> printEntry(entry);<a name="line.115"></a> +<span class="sourceLineNo">116</span> }<a name="line.116"></a> +<span class="sourceLineNo">117</span> }<a name="line.117"></a> +<span class="sourceLineNo">118</span> } catch (IOException e) {<a name="line.118"></a> +<span class="sourceLineNo">119</span> out.println("got an exception while reading the procedure WAL " + e.getMessage());<a name="line.119"></a> +<span class="sourceLineNo">120</span> }<a name="line.120"></a> +<span class="sourceLineNo">121</span> finally {<a name="line.121"></a> +<span class="sourceLineNo">122</span> log.close();<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><a name="line.125"></a> +<span class="sourceLineNo">126</span> private void printEntry(final ProcedureWALEntry entry) throws IOException {<a name="line.126"></a> +<span class="sourceLineNo">127</span> out.println("EntryType=" + entry.getType());<a name="line.127"></a> +<span class="sourceLineNo">128</span> int procCount = entry.getProcedureCount();<a name="line.128"></a> +<span class="sourceLineNo">129</span> for (int i = 0; i < procCount; i++) {<a name="line.129"></a> +<span class="sourceLineNo">130</span> Procedure<?> proc = ProcedureUtil.convertToProcedure(entry.getProcedure(i));<a name="line.130"></a> +<span class="sourceLineNo">131</span> printProcedure(proc);<a name="line.131"></a> +<span class="sourceLineNo">132</span> }<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> private void printHeader(ProcedureWALHeader header) {<a name="line.135"></a> -<span class="sourceLineNo">136</span> out.println("ProcedureWALHeader: ");<a name="line.136"></a> -<span class="sourceLineNo">137</span> out.println(" Version: " + header.getVersion());<a name="line.137"></a> -<span class="sourceLineNo">138</span> out.println(" Type: " + header.getType());<a name="line.138"></a> -<span class="sourceLineNo">139</span> out.println(" LogId: " + header.getLogId());<a name="line.139"></a> -<span class="sourceLineNo">140</span> out.println(" MinProcId: " + header.getMinProcId());<a name="line.140"></a> -<span class="sourceLineNo">141</span> out.println();<a name="line.141"></a> -<span class="sourceLineNo">142</span> }<a name="line.142"></a> -<span class="sourceLineNo">143</span><a name="line.143"></a> -<span class="sourceLineNo">144</span> /**<a name="line.144"></a> -<span class="sourceLineNo">145</span> * Pass one or more log file names and formatting options and it will dump out<a name="line.145"></a> -<span class="sourceLineNo">146</span> * a text version of the contents on <code>stdout</code>.<a name="line.146"></a> -<span class="sourceLineNo">147</span> *<a name="line.147"></a> -<span class="sourceLineNo">148</span> * @param args<a name="line.148"></a> -<span class="sourceLineNo">149</span> * Command line arguments<a name="line.149"></a> -<span class="sourceLineNo">150</span> * @throws IOException<a name="line.150"></a> -<span class="sourceLineNo">151</span> * Thrown upon file system errors etc.<a name="line.151"></a> -<span class="sourceLineNo">152</span> */<a name="line.152"></a> -<span class="sourceLineNo">153</span> @Override<a name="line.153"></a> -<span class="sourceLineNo">154</span> public int run(final String[] args) throws IOException {<a name="line.154"></a> -<span class="sourceLineNo">155</span> // create options<a name="line.155"></a> -<span class="sourceLineNo">156</span> Options options = new Options();<a name="line.156"></a> -<span class="sourceLineNo">157</span> options.addOption("h", "help", false, "Output help message");<a name="line.157"></a> -<span class="sourceLineNo">158</span> options.addOption("f", "file", true, "File to print");<a name="line.158"></a> -<span class="sourceLineNo">159</span><a name="line.159"></a> -<span class="sourceLineNo">160</span> final List<Path> files = new ArrayList<>();<a name="line.160"></a> -<span class="sourceLineNo">161</span> try {<a name="line.161"></a> -<span class="sourceLineNo">162</span> CommandLine cmd = new PosixParser().parse(options, args);<a name="line.162"></a> +<span class="sourceLineNo">135</span> private void printProcedure(Procedure<?> proc) {<a name="line.135"></a> +<span class="sourceLineNo">136</span> out.println(proc.toStringDetails());<a name="line.136"></a> +<span class="sourceLineNo">137</span> }<a name="line.137"></a> +<span class="sourceLineNo">138</span><a name="line.138"></a> +<span class="sourceLineNo">139</span> private void printHeader(ProcedureWALHeader header) {<a 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options.addOption("h", "help", false, "Output help message");<a name="line.161"></a> +<span class="sourceLineNo">162</span> options.addOption("f", "file", true, "File to print");<a name="line.162"></a> <span class="sourceLineNo">163</span><a name="line.163"></a> -<span class="sourceLineNo">164</span> if (cmd.hasOption("f")) {<a name="line.164"></a> -<span class="sourceLineNo">165</span> files.add(new Path(cmd.getOptionValue("f")));<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> +<span class="sourceLineNo">164</span> final List<Path> files = new ArrayList<>();<a name="line.164"></a> +<span class="sourceLineNo">165</span> try {<a name="line.165"></a> +<span class="sourceLineNo">166</span> CommandLine cmd = new PosixParser().parse(options, args);<a name="line.166"></a> <span class="sourceLineNo">167</span><a name="line.167"></a> -<span class="sourceLineNo">168</span> if (files.isEmpty() || cmd.hasOption("h")) {<a name="line.168"></a> -<span 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