org.elasticsearch.action.support.AdapterActionFuture Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon 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.action.support;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.ElasticSearchInterruptedException;
import org.elasticsearch.ElasticSearchTimeoutException;
import org.elasticsearch.action.ActionFuture;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.util.concurrent.BaseFuture;
import org.elasticsearch.common.util.concurrent.UncategorizedExecutionException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
*
*/
public abstract class AdapterActionFuture extends BaseFuture implements ActionFuture, ActionListener {
private Throwable rootFailure;
@Override
public T actionGet() throws ElasticSearchException {
try {
return get();
} catch (InterruptedException e) {
throw new ElasticSearchInterruptedException(e.getMessage());
} catch (ExecutionException e) {
throw rethrowExecutionException(e);
}
}
@Override
public T actionGet(String timeout) throws ElasticSearchException {
return actionGet(TimeValue.parseTimeValue(timeout, null));
}
@Override
public T actionGet(long timeoutMillis) throws ElasticSearchException {
return actionGet(timeoutMillis, TimeUnit.MILLISECONDS);
}
@Override
public T actionGet(TimeValue timeout) throws ElasticSearchException {
return actionGet(timeout.millis(), TimeUnit.MILLISECONDS);
}
@Override
public T actionGet(long timeout, TimeUnit unit) throws ElasticSearchException {
try {
return get(timeout, unit);
} catch (TimeoutException e) {
throw new ElasticSearchTimeoutException(e.getMessage());
} catch (InterruptedException e) {
throw new ElasticSearchInterruptedException(e.getMessage());
} catch (ExecutionException e) {
throw rethrowExecutionException(e);
}
}
static ElasticSearchException rethrowExecutionException(ExecutionException e) {
if (e.getCause() instanceof ElasticSearchException) {
ElasticSearchException esEx = (ElasticSearchException) e.getCause();
Throwable root = esEx.unwrapCause();
if (root instanceof ElasticSearchException) {
return (ElasticSearchException) root;
}
return new UncategorizedExecutionException("Failed execution", root);
} else {
return new UncategorizedExecutionException("Failed execution", e);
}
}
@Override
public void onResponse(L result) {
set(convert(result));
}
@Override
public void onFailure(Throwable e) {
setException(e);
}
protected abstract T convert(L listenerResponse);
@Override
public Throwable getRootFailure() {
return rootFailure;
}
}