org.apache.camel.component.zookeeper.operations.SetDataOperation Maven / Gradle / Ivy
/**
* 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.camel.component.zookeeper.operations;
import static java.lang.String.format;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.data.Stat;
/**
* SetDataOperation sets the content of a ZooKeeper node. An optional version
* may be specified that the node must currently have for the operation to succeed.
* @see {@link ZooKeeper#setData(String, byte[], int)}
*/
public class SetDataOperation extends ZooKeeperOperation {
private byte[] data;
private int version = -1;
public SetDataOperation(ZooKeeper connection, String node, byte[] data) {
super(connection, node);
this.data = data;
}
public OperationResult getResult() {
try {
Stat statistics = connection.setData(node, data, version);
if (LOG.isDebugEnabled()) {
if (LOG.isTraceEnabled()) {
LOG.trace(format("Set data of node '%s' with '%d' bytes of data, retrieved statistics '%s' ",
node, data != null ? data.length : 0, statistics));
} else {
LOG.debug(format("Set data of node '%s' with '%d' bytes of data", node, data != null ? data.length : 0));
}
}
return new OperationResult(data, statistics);
} catch (Exception e) {
return new OperationResult(e);
}
}
public void setVersion(int version) {
this.version = version;
}
@Override
public ZooKeeperOperation createCopy() throws Exception {
SetDataOperation copy = (SetDataOperation) super.createCopy();
copy.version = -1; // set the version to -1 for 'any version'
return copy;
}
}