/*
 * Copyright (c) 2016 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.mdsal.singleton.dom.impl;

import org.opendaylight.mdsal.eos.common.api.GenericEntityOwnershipService;
import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipChange;
import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListenerRegistration;
import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipService;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;

/**
 * Binding version of {@link AbstractClusterSingletonServiceProviderImpl}
 */
public final class DOMClusterSingletonServiceProviderImpl extends
        AbstractClusterSingletonServiceProviderImpl<YangInstanceIdentifier, DOMEntity,
                                                    DOMEntityOwnershipChange,
                                                    DOMEntityOwnershipListener,
                                                    DOMEntityOwnershipService,
                                                    DOMEntityOwnershipListenerRegistration>
        implements DOMEntityOwnershipListener {

    /**
     * Initialization all needed class internal property for {@link DOMClusterSingletonServiceProviderImpl}
     *
     * @param entityOwnershipService - we need only {@link GenericEntityOwnershipService}
     */
    public DOMClusterSingletonServiceProviderImpl(final DOMEntityOwnershipService entityOwnershipService) {
        super(entityOwnershipService);
    }

    @Override
    protected final DOMEntity createEntity(final String type, final String ident) {
        return new DOMEntity(type, ident);
    }

    @Override
    protected final DOMEntityOwnershipListenerRegistration registerListener(final String type,
            final DOMEntityOwnershipService eos) {
        return eos.registerListener(type, this);
    }

    @Override
    protected String getServiceIdentifierFromEntity(final DOMEntity entity) {
        final YangInstanceIdentifier yii = entity.getIdentifier();
        final NodeIdentifierWithPredicates niiwp = (NodeIdentifierWithPredicates) yii.getLastPathArgument();
        return niiwp.getKeyValues().values().iterator().next().toString();
    }
}