com.hazelcast.client.proxy.txn.ClientTransactionUtil Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.client.proxy.txn;
import com.hazelcast.client.impl.HazelcastClientInstanceImpl;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.spi.impl.ClientInvocation;
import com.hazelcast.nio.Connection;
import com.hazelcast.transaction.TransactionException;
import com.hazelcast.util.ExceptionUtil.RuntimeExceptionFactory;
import java.util.concurrent.Future;
import static com.hazelcast.util.ExceptionUtil.rethrow;
/**
* Contains static method that is used from client transaction classes.
*/
public final class ClientTransactionUtil {
private static final RuntimeExceptionFactory TRANSACTION_EXCEPTION_FACTORY =
new RuntimeExceptionFactory() {
@Override
public RuntimeException create(Throwable throwable, String message) {
return new TransactionException(message, throwable);
}
};
private ClientTransactionUtil() {
}
/**
* Handles the invocation exception for transactions so that users will not see internal exceptions.
*
* More specifically IOException, because in case of a IO problem in ClientInvocation that send to a connection
* sends IOException to user. This wraps that exception into a TransactionException.
*/
public static ClientMessage invoke(ClientMessage request, String objectName, HazelcastClientInstanceImpl client,
Connection connection) {
try {
final ClientInvocation clientInvocation = new ClientInvocation(client, request, objectName, connection);
final Future future = clientInvocation.invoke();
return future.get();
} catch (Exception e) {
throw rethrow(e, TRANSACTION_EXCEPTION_FACTORY);
}
}
}