org.elasticsearch.action.support.AdapterActionFuture Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
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.action.support;
import org.elasticsearch.ElasticsearchException;
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 {
@Override
public T actionGet() {
try {
return get();
} catch (InterruptedException e) {
throw new IllegalStateException("Future got interrupted", e);
} catch (ExecutionException e) {
throw rethrowExecutionException(e);
}
}
@Override
public T actionGet(String timeout) {
return actionGet(TimeValue.parseTimeValue(timeout, null, getClass().getSimpleName() + ".actionGet.timeout"));
}
@Override
public T actionGet(long timeoutMillis) {
return actionGet(timeoutMillis, TimeUnit.MILLISECONDS);
}
@Override
public T actionGet(TimeValue timeout) {
return actionGet(timeout.millis(), TimeUnit.MILLISECONDS);
}
@Override
public T actionGet(long timeout, TimeUnit unit) {
try {
return get(timeout, unit);
} catch (TimeoutException e) {
throw new ElasticsearchTimeoutException(e);
} catch (InterruptedException e) {
throw new IllegalStateException("Future got interrupted", e);
} catch (ExecutionException e) {
throw rethrowExecutionException(e);
}
}
static RuntimeException rethrowExecutionException(ExecutionException e) {
if (e.getCause() instanceof ElasticsearchException) {
ElasticsearchException esEx = (ElasticsearchException) e.getCause();
Throwable root = esEx.unwrapCause();
if (root instanceof ElasticsearchException) {
return (ElasticsearchException) root;
} else if (root instanceof RuntimeException) {
return (RuntimeException) root;
}
return new UncategorizedExecutionException("Failed execution", root);
} else if (e.getCause() instanceof RuntimeException) {
return (RuntimeException) e.getCause();
} else {
return new UncategorizedExecutionException("Failed execution", e);
}
}
@Override
public void onResponse(L result) {
set(convert(result));
}
@Override
public void onFailure(Exception e) {
setException(e);
}
protected abstract T convert(L listenerResponse);
}