本文整理了Java中com.griddynamics.jagger.coordinator.zookeeper.ZNode.child()
方法的一些代码示例,展示了ZNode.child()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZNode.child()
方法的具体详情如下:
包路径:com.griddynamics.jagger.coordinator.zookeeper.ZNode
类名称:ZNode
方法名:child
暂无
代码示例来源:origin: griddynamics/jagger
private ZNode lockDir() {
return node.child(lockPath);
}
代码示例来源:origin: griddynamics/jagger
@Override
public Set<NodeId> getAvailableNodes(NodeType type) {
Set<NodeId> result = Sets.newHashSet();
ZNode typeNode = rootNode.child(CoordinationUtil.nodeNameOf(type));
for (ZNode node : typeNode.children()) {
if (node.hasChild(CoordinationUtil.AVAILABLE_NODE_NAME)) {
result.add(NodeId.of(type, node.getShortPath()));
}
}
return result;
}
代码示例来源:origin: griddynamics/jagger
@Override
public void terminate() {
log.debug("termination signal received");
if(zooKeeperServer != null) {
try {
if (zoo != null) {
zoo.root().child(rootNode).removeWithChildren();
}
zooKeeperServer.shutdown();
} catch (Exception e) {
log.warn("Error during zookeeper termination. Message: {}", e.getMessage());
}
}
}
代码示例来源:origin: griddynamics/jagger
log.info("Going to register node {} with {} workers", nodeContext.getId(), workers.size());
ZNode typeNode = rootNode.child(CoordinationUtil.nodeNameOf(nodeContext.getId().getType()));
if (typeNode.hasChild(nodeContext.getId().getIdentifier())) {
typeNode.child(nodeContext.getId().getIdentifier()).removeWithChildren();
ZNode statuses = rootNode.child(CoordinationUtil.STATUSES_NODE_NAME);
代码示例来源:origin: griddynamics/jagger
@Override
public <C extends Command<R>, R extends Serializable> void run(final C command, final NodeCommandExecutionListener<C> listener, final AsyncCallback<R> callback) {
ZNode commandNode = rootNode.child(nodeId.getType().name().toLowerCase()).child(nodeId.getIdentifier()).child(command.getClass().getName());
ZNode queueNode = commandNode.child("queue");
ZNode resultNode = commandNode.child("result");
代码示例来源:origin: griddynamics/jagger
@Override
public boolean canExecuteCommands(NodeId nodeId, Set<Qualifier<?>> qualifiers) {
ZNode typeNode = rootNode.child(CoordinationUtil.nodeNameOf(nodeId.getType()));
String identifier = nodeId.getIdentifier();
if (!typeNode.hasChild(identifier)) {
throw new CoordinatorException("Node with id " + nodeId + " is not found");
}
ZNode node = typeNode.child(identifier);
if (!node.hasChild(CoordinationUtil.AVAILABLE_NODE_NAME)) {
return false;
}
for (Qualifier<?> qualifier : qualifiers) {
if (!node.hasChild(nodeNameOf(qualifier))) {
return false;
}
}
return true;
}
代码示例来源:origin: griddynamics/jagger
private static <C extends Command<R>, R extends Serializable> void executeCommand(CommandExecutor<C, R> executor, ZNode executorNode, final QueueEntry<C, R> entry, final NodeContext nodeContext) {
String relativePath = entry.getResultPath().substring(executorNode.getPath().length() + 1);
final ZNode output = executorNode.child(relativePath);
final NodeCommandExecutionListener<C> listener = entry.getListener();
try {
C command = entry.getCommand();
listener.onCommandExecutionStarted(command, nodeContext);
R result = executor.execute(command, nodeContext);
log.debug("Command {} executed", command);
listener.onCommandExecuted(command);
output.setObject(CommandExecutionResult.success(result));
} catch (Throwable throwable) {
// todo add fail event
log.error("error during task execution", throwable);
output.setObject(CommandExecutionResult.fail(throwable));
}
}
代码示例来源:origin: griddynamics/jagger
public void initialize() {
ZooKeeperFactory zooKeeperFactory = new ZooKeeperFactory();
zooKeeperFactory.setConnectString(endpoint);
zooKeeperFactory.setSessionTimeout(sessionTimeout);
log.info("Connect to {} endpoint with timeout {}", endpoint, sessionTimeout);
IZookeeper zooKeeper = null;
try {
zooKeeper = zooKeeperFactory.create();
zoo = new Zoo(zooKeeperFactory.create());
// TODO: timeout only 40000. svi.
if (zoo.root().hasChild(rootNode)) {
log.info("ZNode [" + rootNode + "] was found.");
zoo.root().child(rootNode).removeWithChildren();
log.info("ZNode [" + rootNode + "] with children nodes were removed.");
}
zoo.root().createChild(znode().withPath(rootNode));
log.info("ZNode [" + rootNode + "] was created.");
} finally {
if (zooKeeper != null) {
try {
zooKeeper.close();
} catch (InterruptedException e) {
// do nothing
}
}
}
}
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