/*
* 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.transport;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.ElasticsearchIllegalStateException;
import org.elasticsearch.ElasticsearchTimeoutException;
import org.elasticsearch.common.util.concurrent.BaseFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
*
*/
public class PlainTransportFuture<V extends TransportResponse> extends BaseFuture<V> implements TransportFuture<V>, TransportResponseHandler<V> {
private final TransportResponseHandler<V> handler;
public PlainTransportFuture(TransportResponseHandler<V> handler) {
this.handler = handler;
}
@Override
public V txGet() throws ElasticsearchException {
try {
return get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new ElasticsearchIllegalStateException("Future got interrupted", e);
} catch (ExecutionException e) {
if (e.getCause() instanceof ElasticsearchException) {
throw (ElasticsearchException) e.getCause();
} else {
throw new TransportException("Failed execution", e);
}
}
}
@Override
public V txGet(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) {
if (e.getCause() instanceof ElasticsearchException) {
throw (ElasticsearchException) e.getCause();
} else {
throw new TransportException("Failed execution", e);
}
}
}
@Override
public V newInstance() {
return handler.newInstance();
}
@Override
public String executor() {
return handler.executor();
}
@Override
public void handleResponse(V response) {
try {
handler.handleResponse(response);
set(response);
} catch (Throwable t) {
handleException(new ResponseHandlerFailureTransportException(t));
}
}
@Override
public void handleException(TransportException exp) {
try {
handler.handleException(exp);
} finally {
setException(exp);
}
}
@Override
public String toString() {
return "future(" + handler.toString() + ")";
}
}