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Elasticsearch subproject :server
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.persistent;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.util.concurrent.AbstractRunnable;
import org.elasticsearch.threadpool.ThreadPool;
/**
* This component is responsible for execution of persistent tasks.
*
* It abstracts away the execution of tasks and greatly simplifies testing of PersistentTasksNodeService
*/
public class NodePersistentTasksExecutor {
private final ThreadPool threadPool;
NodePersistentTasksExecutor(ThreadPool threadPool) {
this.threadPool = threadPool;
}
public void executeTask(final Params params,
final @Nullable PersistentTaskState state,
final AllocatedPersistentTask task,
final PersistentTasksExecutor executor) {
threadPool.executor(executor.getExecutor()).execute(new AbstractRunnable() {
@Override
public void onFailure(Exception e) {
task.markAsFailed(e);
}
@Override
protected void doRun() throws Exception {
try {
executor.nodeOperation(task, params, state);
} catch (Exception ex) {
task.markAsFailed(ex);
}
}
});
}
}