/*
* 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.action.support;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.ElasticsearchIllegalStateException;
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<T, L> extends BaseFuture<T> implements ActionFuture<T>, ActionListener<L> {
private Throwable rootFailure;
@Override
public T actionGet() throws ElasticsearchException {
try {
return get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new ElasticsearchIllegalStateException("Future got interrupted", e);
} 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) {
Thread.currentThread().interrupt();
throw new ElasticsearchIllegalStateException("Future got interrupted", e);
} 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;
}
}