org.opendaylight.controller.md.sal.dom.broker.impl.PingPongFuture.java Source code

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Here is the source code for org.opendaylight.controller.md.sal.dom.broker.impl.PingPongFuture.java

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/*
 * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.controller.md.sal.dom.broker.impl;

import com.google.common.util.concurrent.AbstractCheckedFuture;
import com.google.common.util.concurrent.ListenableFuture;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;

/**
 * A {@link java.util.concurrent.Future} used to report the status of an future
 * {@link java.util.concurrent.Future}.
 */
final class PingPongFuture extends AbstractCheckedFuture<Void, TransactionCommitFailedException> {
    protected PingPongFuture(final ListenableFuture<Void> delegate) {
        super(delegate);
    }

    @Override
    protected TransactionCommitFailedException mapException(final Exception e) {
        if (e.getCause() instanceof TransactionCommitFailedException) {
            return (TransactionCommitFailedException) e.getCause();
        } else {
            return new TransactionCommitFailedException(e.getMessage(), e.getCause());
        }
    }
}