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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
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 * GPL Classpath Exception:
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 */

package org.shoal.ha.store;

import org.glassfish.ha.common.HACookieManager;
import org.jvnet.hk2.annotations.Service;
import org.shoal.ha.mapper.DefaultKeyMapper;

import org.glassfish.ha.common.GlassFishHAReplicaPredictor;
import org.glassfish.ha.common.HACookieInfo;

/**
 * @author Mahesh Kannan
 *
 */
public class GlassFishKeyMapper
    extends DefaultKeyMapper
    implements GlassFishHAReplicaPredictor {

    private static final String[] _EMPTY_TARGETS = new String[] {null, null};

    public GlassFishKeyMapper(String instanceName, String groupName) {
        super(instanceName, groupName);
    }


    public HACookieInfo makeCookie(String groupName, Object key, String oldReplicaCookie) {
        String cookieStr = null;

        if (key != null) {
            cookieStr = super.getMappedInstance(groupName, key);// super.getReplicaChoices(groupName, key);
        }
        HACookieInfo ha = new HACookieInfo(cookieStr, oldReplicaCookie);
        return ha;
    }

    @Override
    public String getMappedInstance(String groupName, Object key1) {
        HACookieInfo cookieInfo = HACookieManager.getCurrent();
        if (cookieInfo.getNewReplicaCookie() != null) {
            return cookieInfo.getNewReplicaCookie();
        } else {
            return super.getMappedInstance(groupName, key1);
        }
    }

    /*
    @Override
    public String getReplicaChoices(String groupName, Object key) {
        HACookieInfo cookieInfo = HACookieManager.getCurrent();
        if (cookieInfo.getOldReplicaCookie() != null) {
            return cookieInfo.getOldReplicaCookie();
        } else {
            return super.getReplicaChoices(groupName, key);
        }
    }
    */
}