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/**
* 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.file.cluster;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.apache.camel.CamelContext;
import org.apache.camel.impl.cluster.AbstractCamelClusterService;
import org.apache.camel.util.ObjectHelper;
public class FileLockClusterService extends AbstractCamelClusterService {
private String root;
private long acquireLockDelay;
private TimeUnit acquireLockDelayUnit;
private long acquireLockInterval;
private TimeUnit acquireLockIntervalUnit;
private ScheduledExecutorService executor;
public FileLockClusterService() {
this.acquireLockDelay = 1;
this.acquireLockDelayUnit = TimeUnit.SECONDS;
this.acquireLockInterval = 10;
this.acquireLockIntervalUnit = TimeUnit.SECONDS;
}
@Override
protected FileLockClusterView createView(String namespace) throws Exception {
return new FileLockClusterView(this, namespace);
}
public String getRoot() {
return root;
}
/**
* Sets the root path.
*/
public void setRoot(String root) {
this.root = root;
}
public long getAcquireLockDelay() {
return acquireLockDelay;
}
/**
* The time to wait before starting to try to acquire lock, default 1.
*/
public void setAcquireLockDelay(long acquireLockDelay) {
this.acquireLockDelay = acquireLockDelay;
}
public void setAcquireLockDelay(long pollDelay, TimeUnit pollDelayUnit) {
setAcquireLockDelay(pollDelay);
setAcquireLockDelayUnit(pollDelayUnit);
}
public TimeUnit getAcquireLockDelayUnit() {
return acquireLockDelayUnit;
}
/**
* The time unit fo the acquireLockDelay, default to TimeUnit.SECONDS.
*/
public void setAcquireLockDelayUnit(TimeUnit acquireLockDelayUnit) {
this.acquireLockDelayUnit = acquireLockDelayUnit;
}
public long getAcquireLockInterval() {
return acquireLockInterval;
}
/**
* The time to wait between attempts to try to acquire lock, default 10.
*/
public void setAcquireLockInterval(long acquireLockInterval) {
this.acquireLockInterval = acquireLockInterval;
}
public void setAcquireLockInterval(long pollInterval, TimeUnit pollIntervalUnit) {
setAcquireLockInterval(pollInterval);
setAcquireLockIntervalUnit(pollIntervalUnit);
}
public TimeUnit getAcquireLockIntervalUnit() {
return acquireLockIntervalUnit;
}
/**
* The time unit fo the acquireLockInterva, default to TimeUnit.SECONDS.
*/
public void setAcquireLockIntervalUnit(TimeUnit acquireLockIntervalUnit) {
this.acquireLockIntervalUnit = acquireLockIntervalUnit;
}
@Override
protected void doStop() throws Exception {
super.doStop();
CamelContext context = getCamelContext();
if (executor != null) {
if (context != null) {
context.getExecutorServiceManager().shutdown(executor);
} else {
executor.shutdown();
}
executor = null;
}
}
synchronized ScheduledExecutorService getExecutor() {
if (executor == null) {
// Camel context should be set at this stage.
final CamelContext context = ObjectHelper.notNull(getCamelContext(), "CamelContext");
executor = context.getExecutorServiceManager().newSingleThreadScheduledExecutor(this, "FileLockClusterService-" + getId());
}
return executor;
}
}