/*
 * Copyright (c) 2017 Brocade Communications 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.mdsal.dom.broker;

import com.google.common.util.concurrent.FluentFuture;
import java.util.Optional;
import org.opendaylight.mdsal.common.api.CommitInfo;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;

final class TransactionChainReadWriteTransaction extends TransactionChainWriteTransaction
        implements DOMDataTreeReadWriteTransaction {
    private final TransactionChainReadTransaction readTx;

    TransactionChainReadWriteTransaction(final Object identifier,
            final DOMDataTreeReadWriteTransaction delegateWriteTx, final DOMDataTreeReadTransaction delegateReadTx,
            final FluentFuture<? extends CommitInfo> previousWriteTxFuture,
            final ShardedDOMTransactionChainAdapter txChain) {
        super(identifier, delegateWriteTx, txChain);
        readTx = new TransactionChainReadTransaction(identifier, delegateReadTx, previousWriteTxFuture, txChain);
    }

    @Override
    public FluentFuture<Optional<NormalizedNode<?, ?>>> read(final LogicalDatastoreType store,
            final YangInstanceIdentifier path) {
        return readTx.read(store, path);
    }

    @Override
    public FluentFuture<Boolean> exists(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
        return readTx.exists(store, path);
    }
}