/*
 * 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.LogicalDatastoreType;
import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
import org.opendaylight.mdsal.dom.api.DOMDataTreeService;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;

// FIXME: 4.0.0: make this class package-protected and final
public class ShardedDOMReadWriteTransactionAdapter extends ShardedDOMWriteTransactionAdapter
        implements DOMDataTreeReadWriteTransaction {

    private final ShardedDOMReadTransactionAdapter readAdapter;

    ShardedDOMReadWriteTransactionAdapter(final Object identifier, final DOMDataTreeService transactionDelegator) {
        super(identifier, transactionDelegator);
        readAdapter = new ShardedDOMReadTransactionAdapter(identifier, transactionDelegator);
    }

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

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

    @Override
    public boolean cancel() {
        readAdapter.close();
        return super.cancel();
    }

    ShardedDOMReadTransactionAdapter getReadAdapter() {
        return readAdapter;
    }
}