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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) [2016-2018] Payara Foundation 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://github.com/payara/Payara/blob/master/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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package com.sun.ejb.containers;

import com.sun.enterprise.container.common.impl.util.ClusteredSingletonLookupImplBase;
import static com.sun.enterprise.container.common.spi.ClusteredSingletonLookup.SingletonType.EJB;
import fish.payara.cluster.DistributedLockType;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.deployment.descriptor.EjbSessionDescriptor;

/**
 * EJB container implementation of clustered singleton lookups
 *
 * @author lprimak
 */
public class ClusteredSingletonLookupImpl extends ClusteredSingletonLookupImplBase {
    private final EjbSessionDescriptor ejbDescriptor;


    public ClusteredSingletonLookupImpl(EjbDescriptor ejbDescriptor, String componentId) {
        super(componentId, EJB);
        this.ejbDescriptor = (EjbSessionDescriptor)ejbDescriptor;
    }

    @Override
    public boolean isDistributedLockEnabled() {
        DistributedLockType distLockType = ejbDescriptor.isClustered()?
                    ejbDescriptor.getClusteredLockType() : DistributedLockType.LOCK_NONE;
        return super.isDistributedLockEnabled() && distLockType != DistributedLockType.LOCK_NONE;
    }

    @Override
    public String getClusteredSessionKey() {
        return ejbDescriptor.getClusteredKeyValue().isEmpty()? ejbDescriptor.getName() : ejbDescriptor.getClusteredKeyValue();
    }

    @Override
    public boolean isClusteredEnabled() {
        return ejbDescriptor.isClustered() && super.isClusteredEnabled();
    }
}