[24/28] hadoop git commit: YARN-5928. Move ATSv2 HBase backend code into a new module that is only dependent at runtime by yarn servers. Contributed by Haibo Chen.
http://git-wip-us.apache.org/repos/asf/hadoop/blob/9a925cb8/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
--
diff --git
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
new file mode 100644
index 000..bb77e36
--- /dev/null
+++
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
@@ -0,0 +1,196 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.server.timelineservice.storage.flow;
+
+import org.apache.hadoop.hbase.util.Bytes;
+import
org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
+import
org.apache.hadoop.yarn.server.timelineservice.storage.common.KeyConverter;
+import
org.apache.hadoop.yarn.server.timelineservice.storage.common.LongConverter;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator;
+
+/**
+ * Represents a rowkey for the flow activity table.
+ */
+public class FlowActivityRowKey {
+
+ private final String clusterId;
+ private final Long dayTs;
+ private final String userId;
+ private final String flowName;
+ private final KeyConverter flowActivityRowKeyConverter =
+ new FlowActivityRowKeyConverter();
+
+ /**
+ * @param clusterId identifying the cluster
+ * @param dayTs to be converted to the top of the day timestamp
+ * @param userId identifying user
+ * @param flowName identifying the flow
+ */
+ public FlowActivityRowKey(String clusterId, Long dayTs, String userId,
+ String flowName) {
+this(clusterId, dayTs, userId, flowName, true);
+ }
+
+ /**
+ * @param clusterId identifying the cluster
+ * @param timestamp when the flow activity happened. May be converted to the
+ * top of the day depending on the convertDayTsToTopOfDay argument.
+ * @param userId identifying user
+ * @param flowName identifying the flow
+ * @param convertDayTsToTopOfDay if true and timestamp isn't null, then
+ * timestamp will be converted to the top-of-the day timestamp
+ */
+ protected FlowActivityRowKey(String clusterId, Long timestamp, String userId,
+ String flowName, boolean convertDayTsToTopOfDay) {
+this.clusterId = clusterId;
+if (convertDayTsToTopOfDay && (timestamp != null)) {
+ this.dayTs =
HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(timestamp);
+} else {
+ this.dayTs = timestamp;
+}
+this.userId = userId;
+this.flowName = flowName;
+ }
+
+ public String getClusterId() {
+return clusterId;
+ }
+
+ public Long getDayTimestamp() {
+return dayTs;
+ }
+
+ public String getUserId() {
+return userId;
+ }
+
+ public String getFlowName() {
+return flowName;
+ }
+
+ /**
+ * Constructs a row key for the flow activity table as follows:
+ * {@code clusterId!dayTimestamp!user!flowName}.
+ *
+ * @return byte array for the row key
+ */
+ public byte[] getRowKey() {
+return flowActivityRowKeyConverter.encode(this);
+ }
+
+ /**
+ * Given the raw row key as bytes, returns the row key as an object.
+ *
+ * @param rowKey Byte representation of row key.
+ * @return A FlowActivityRowKey object.
+ */
+ public static FlowActivityRowKey parseRowKey(byte[] rowKey) {
+return new FlowActivityRowKeyConverter().decode(rowKey);
+ }
+
+ /**
+ * Encodes and decodes row key for flow activity table. The row key is of the
+ * form : clusterId!dayTimestamp!user!flowName. dayTimestamp(top of the day
+ * timestamp) is a long and rest are strings.
+ *
+ */
+ final private static class FlowActivityRowKeyConverter implements
+
[24/28] hadoop git commit: YARN-5928. Move ATSv2 HBase backend code into a new module that is only dependent at runtime by yarn servers. Contributed by Haibo Chen.
http://git-wip-us.apache.org/repos/asf/hadoop/blob/47ec7f92/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
--
diff --git
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
new file mode 100644
index 000..bb77e36
--- /dev/null
+++
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase/src/main/java/org/apache/hadoop/yarn/server/timelineservice/storage/flow/FlowActivityRowKey.java
@@ -0,0 +1,196 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.yarn.server.timelineservice.storage.flow;
+
+import org.apache.hadoop.hbase.util.Bytes;
+import
org.apache.hadoop.yarn.server.timelineservice.storage.common.HBaseTimelineStorageUtils;
+import
org.apache.hadoop.yarn.server.timelineservice.storage.common.KeyConverter;
+import
org.apache.hadoop.yarn.server.timelineservice.storage.common.LongConverter;
+import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator;
+
+/**
+ * Represents a rowkey for the flow activity table.
+ */
+public class FlowActivityRowKey {
+
+ private final String clusterId;
+ private final Long dayTs;
+ private final String userId;
+ private final String flowName;
+ private final KeyConverter flowActivityRowKeyConverter =
+ new FlowActivityRowKeyConverter();
+
+ /**
+ * @param clusterId identifying the cluster
+ * @param dayTs to be converted to the top of the day timestamp
+ * @param userId identifying user
+ * @param flowName identifying the flow
+ */
+ public FlowActivityRowKey(String clusterId, Long dayTs, String userId,
+ String flowName) {
+this(clusterId, dayTs, userId, flowName, true);
+ }
+
+ /**
+ * @param clusterId identifying the cluster
+ * @param timestamp when the flow activity happened. May be converted to the
+ * top of the day depending on the convertDayTsToTopOfDay argument.
+ * @param userId identifying user
+ * @param flowName identifying the flow
+ * @param convertDayTsToTopOfDay if true and timestamp isn't null, then
+ * timestamp will be converted to the top-of-the day timestamp
+ */
+ protected FlowActivityRowKey(String clusterId, Long timestamp, String userId,
+ String flowName, boolean convertDayTsToTopOfDay) {
+this.clusterId = clusterId;
+if (convertDayTsToTopOfDay && (timestamp != null)) {
+ this.dayTs =
HBaseTimelineStorageUtils.getTopOfTheDayTimestamp(timestamp);
+} else {
+ this.dayTs = timestamp;
+}
+this.userId = userId;
+this.flowName = flowName;
+ }
+
+ public String getClusterId() {
+return clusterId;
+ }
+
+ public Long getDayTimestamp() {
+return dayTs;
+ }
+
+ public String getUserId() {
+return userId;
+ }
+
+ public String getFlowName() {
+return flowName;
+ }
+
+ /**
+ * Constructs a row key for the flow activity table as follows:
+ * {@code clusterId!dayTimestamp!user!flowName}.
+ *
+ * @return byte array for the row key
+ */
+ public byte[] getRowKey() {
+return flowActivityRowKeyConverter.encode(this);
+ }
+
+ /**
+ * Given the raw row key as bytes, returns the row key as an object.
+ *
+ * @param rowKey Byte representation of row key.
+ * @return A FlowActivityRowKey object.
+ */
+ public static FlowActivityRowKey parseRowKey(byte[] rowKey) {
+return new FlowActivityRowKeyConverter().decode(rowKey);
+ }
+
+ /**
+ * Encodes and decodes row key for flow activity table. The row key is of the
+ * form : clusterId!dayTimestamp!user!flowName. dayTimestamp(top of the day
+ * timestamp) is a long and rest are strings.
+ *
+ */
+ final private static class FlowActivityRowKeyConverter implements
+
