本文整理汇总了Java中org.apache.helix.ZNRecord.merge方法的典型用法代码示例。如果您正苦于以下问题：Java ZNRecord.merge方法的具体用法？Java ZNRecord.merge怎么用？Java ZNRecord.merge使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.helix.ZNRecord的用法示例。
在下文中一共展示了ZNRecord.merge方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: update
import org.apache.helix.ZNRecord; //导入方法依赖的package包/类
@Override
public ZNRecord update(ZNRecord currentData) {
ZNRecord newRec = new ZNRecord(message.getResourceName());
if (currentData != null) {
int currentGen = convertToInt(newRec.getSimpleField("currentGen"), 0);
int currentGenStartSeq = convertToInt(newRec.getSimpleField("currentGenStartSeq"), 0);
int prevGen = convertToInt(newRec.getSimpleField("prevGen"), 0);
int prevGenEndSeq = convertToInt(newRec.getSimpleField("prevGenEndSeq"), 0);
newRec.setSimpleField("currentGen", Integer.toString(currentGen + 1));
newRec.setSimpleField("currentGenStartSeq", Integer.toString(1));
if (currentGen > 0) {
newRec.setSimpleField("prevGen", Integer.toString(currentGen));
int localEndSeq = 1;
newRec.setSimpleField("prevGenEndSeq", "" + localEndSeq);
}
newRec.merge(currentData);
} else {
newRec.setSimpleField("currentGen", Integer.toString(1));
newRec.setSimpleField("currentGenStartSeq", Integer.toString(1));
}
return newRec;
}
示例2: createOrMerge
import org.apache.helix.ZNRecord; //导入方法依赖的package包/类
public static void createOrMerge(ZkClient client, String path, final ZNRecord record,
final boolean persistent, final boolean mergeOnUpdate) {
int retryCount = 0;
while (retryCount < RETRYLIMIT) {
try {
if (client.exists(path)) {
DataUpdater<ZNRecord> updater = new DataUpdater<ZNRecord>() {
@Override
public ZNRecord update(ZNRecord currentData) {
if (currentData != null && mergeOnUpdate) {
currentData.merge(record);
return currentData;
}
return record;
}
};
client.updateDataSerialized(path, updater);
} else {
CreateMode mode = (persistent) ? CreateMode.PERSISTENT : CreateMode.EPHEMERAL;
if (record.getDeltaList().size() > 0) {
ZNRecord value = new ZNRecord(record.getId());
value.merge(record);
client.create(path, value, mode);
} else {
client.create(path, record, mode);
}
}
break;
} catch (Exception e) {
retryCount = retryCount + 1;
logger.warn("Exception trying to update " + path + " Exception:" + e.getMessage()
+ ". Will retry.");
}
}
}
示例3: asyncCreateOrMerge
import org.apache.helix.ZNRecord; //导入方法依赖的package包/类
public static void asyncCreateOrMerge(ZkClient client, String path, final ZNRecord record,
final boolean persistent, final boolean mergeOnUpdate) {
try {
if (client.exists(path)) {
if (mergeOnUpdate) {
ZNRecord curRecord = client.readData(path);
if (curRecord != null) {
curRecord.merge(record);
client.asyncSetData(path, curRecord, -1, null);
} else {
client.asyncSetData(path, record, -1, null);
}
} else {
client.asyncSetData(path, record, -1, null);
}
} else {
CreateMode mode = (persistent) ? CreateMode.PERSISTENT : CreateMode.EPHEMERAL;
if (record.getDeltaList().size() > 0) {
ZNRecord newRecord = new ZNRecord(record.getId());
newRecord.merge(record);
client.create(path, null, mode);
client.asyncSetData(path, newRecord, -1, null);
} else {
client.create(path, null, mode);
client.asyncSetData(path, record, -1, null);
}
}
} catch (Exception e) {
logger.error("Exception in async create or update " + path + ". Exception: " + e.getMessage()
+ ". Give up.");
}
}
示例4: update
import org.apache.helix.ZNRecord; //导入方法依赖的package包/类
@Override
public ZNRecord update(ZNRecord currentData) {
ZNRecord newRec = new ZNRecord(message.getResourceName());
if (currentData != null) {
int currentGen = convertToInt(newRec.getSimpleField("currentGen"), 0);
int currentGenStartSeq = convertToInt(newRec.getSimpleField("currentGenStartSeq"), 0);
int prevGen = convertToInt(newRec.getSimpleField("prevGen"), 0);
int prevGenEndSeq = convertToInt(newRec.getSimpleField("prevGenEndSeq"), 0);
newRec.setSimpleField("currentGen", Integer.toString(currentGen + 1));
newRec.setSimpleField("currentGenStartSeq", Integer.toString(1));
if (currentGen > 0) {
newRec.setSimpleField("prevGen", Integer.toString(currentGen));
int localEndSeq = 1;
if (lastRecordProcessed != null) {
localEndSeq = (int) lastRecordProcessed.txid;
}
newRec.setSimpleField("prevGenEndSeq", "" + localEndSeq);
}
newRec.merge(currentData);
} else {
newRec.setSimpleField("currentGen", Integer.toString(1));
newRec.setSimpleField("currentGenStartSeq", Integer.toString(1));
}
return newRec;
}
示例5: getHostedEntitiesRepresentation
import org.apache.helix.ZNRecord; //导入方法依赖的package包/类
StringRepresentation getHostedEntitiesRepresentation(String clusterName, String jobQueueName)
throws Exception {
ZkClient zkClient =
ResourceUtil.getAttributeFromCtx(getContext(), ResourceUtil.ContextKey.ZKCLIENT);
HelixDataAccessor accessor =
ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);
PropertyKey.Builder keyBuilder = accessor.keyBuilder();
TaskDriver taskDriver = new TaskDriver(zkClient, clusterName);
// Get job queue config
// TODO: fix this to use workflowConfig.
ResourceConfig jobQueueConfig = accessor.getProperty(keyBuilder.resourceConfig(jobQueueName));
// Get job queue context
WorkflowContext ctx = taskDriver.getWorkflowContext(jobQueueName);
// Create the result
ZNRecord hostedEntitiesRecord = new ZNRecord(jobQueueName);
if (jobQueueConfig != null) {
hostedEntitiesRecord.merge(jobQueueConfig.getRecord());
}
if (ctx != null) {
hostedEntitiesRecord.merge(ctx.getRecord());
}
StringRepresentation representation =
new StringRepresentation(ClusterRepresentationUtil.ZNRecordToJson(hostedEntitiesRecord),
MediaType.APPLICATION_JSON);
return representation;
}
示例6: getHostedEntitiesRepresentation
import org.apache.helix.ZNRecord; //导入方法依赖的package包/类
StringRepresentation getHostedEntitiesRepresentation(String clusterName, String jobQueueName,
String jobName) throws Exception {
ZkClient zkClient =
ResourceUtil.getAttributeFromCtx(getContext(), ResourceUtil.ContextKey.ZKCLIENT);
HelixDataAccessor accessor =
ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);
PropertyKey.Builder keyBuilder = accessor.keyBuilder();
// Get job queue config
String namespacedJobName = TaskUtil.getNamespacedJobName(jobQueueName, jobName);
HelixProperty jobConfig = accessor.getProperty(keyBuilder.resourceConfig(namespacedJobName));
TaskDriver taskDriver = new TaskDriver(zkClient, clusterName);
// Get job queue context
JobContext ctx = taskDriver.getJobContext(namespacedJobName);
// Create the result
ZNRecord hostedEntitiesRecord = new ZNRecord(namespacedJobName);
if (jobConfig != null) {
hostedEntitiesRecord.merge(jobConfig.getRecord());
}
if (ctx != null) {
hostedEntitiesRecord.merge(ctx.getRecord());
}
StringRepresentation representation =
new StringRepresentation(ClusterRepresentationUtil.ZNRecordToJson(hostedEntitiesRecord),
MediaType.APPLICATION_JSON);
return representation;
}
示例7: testMerge
import org.apache.helix.ZNRecord; //导入方法依赖的package包/类
@Test
public void testMerge() {
ZNRecord record = new ZNRecord("record1");
// set simple field
record.setSimpleField("simpleKey1", "simpleValue1");
// set list field
List<String> list1 = new ArrayList<String>();
list1.add("list1Value1");
list1.add("list1Value2");
record.setListField("listKey1", list1);
// set map field
Map<String, String> map1 = new HashMap<String, String>();
map1.put("map1Key1", "map1Value1");
record.setMapField("mapKey1", map1);
// System.out.println(record);
ZNRecord updateRecord = new ZNRecord("updateRecord");
// set simple field
updateRecord.setSimpleField("simpleKey2", "simpleValue2");
// set list field
List<String> newList1 = new ArrayList<String>();
newList1.add("list1Value1");
newList1.add("list1Value2");
newList1.add("list1NewValue1");
newList1.add("list1NewValue2");
updateRecord.setListField("listKey1", newList1);
List<String> list2 = new ArrayList<String>();
list2.add("list2Value1");
list2.add("list2Value2");
updateRecord.setListField("listKey2", list2);
// set map field
Map<String, String> newMap1 = new HashMap<String, String>();
newMap1.put("map1NewKey1", "map1NewValue1");
updateRecord.setMapField("mapKey1", newMap1);
Map<String, String> map2 = new HashMap<String, String>();
map2.put("map2Key1", "map2Value1");
updateRecord.setMapField("mapKey2", map2);
// System.out.println(updateRecord);
record.merge(updateRecord);
// System.out.println(record);
ZNRecord expectRecord = new ZNRecord("record1");
expectRecord.setSimpleField("simpleKey1", "simpleValue1");
expectRecord.setSimpleField("simpleKey2", "simpleValue2");
List<String> expectList1 = new ArrayList<String>();
expectList1.add("list1Value1");
expectList1.add("list1Value2");
expectList1.add("list1Value1");
expectList1.add("list1Value2");
expectList1.add("list1NewValue1");
expectList1.add("list1NewValue2");
expectRecord.setListField("listKey1", expectList1);
List<String> expectList2 = new ArrayList<String>();
expectList2.add("list2Value1");
expectList2.add("list2Value2");
expectRecord.setListField("listKey2", expectList2);
Map<String, String> expectMap1 = new HashMap<String, String>();
expectMap1.put("map1Key1", "map1Value1");
expectMap1.put("map1NewKey1", "map1NewValue1");
expectRecord.setMapField("mapKey1", expectMap1);
Map<String, String> expectMap2 = new HashMap<String, String>();
expectMap2.put("map2Key1", "map2Value1");
expectRecord.setMapField("mapKey2", expectMap2);
Assert.assertEquals(record, expectRecord, "Should be equal.");
}