org.eclipse.virgo.ide.runtime.core/src/org/eclipse/virgo/ide/management/remote/ServiceReference.java

/*********************************************************************
 * Copyright (c) 2009, 2011 SpringSource, a division of VMware, Inc. and others and others.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
**********************************************************************/

package org.eclipse.virgo.ide.management.remote;

import java.io.Serializable;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import org.eclipse.libra.framework.editor.core.model.IServiceReference;
import org.eclipse.virgo.util.common.ObjectUtils;

/**
 * @author Christian Dupuis
 * @author Kaloyan Raev
 */
public class ServiceReference implements IServiceReference, Serializable {

    /*
     * Although this enum is now defined in the IServiceReference interface, we still need to keep it in this class
     * definition for backward compatibility with earlier version of this class. Otherwise, UnmarshalException will be
     * thrown.
     */
    public enum Type {
        IN_USE, REGISTERED
    }

    private static final long serialVersionUID = -4896924600246187914L;

    private final Long bundleId;

    private final String[] clazzes;

    private final Map<String, String> properties = new HashMap<String, String>();

    private final Set<Long> usingBundles = new HashSet<Long>();

    private final Type type;

    public ServiceReference(Type type, Long bundleId, String[] clazzes) {
        this.bundleId = bundleId;
        this.clazzes = clazzes;
        this.type = type;
    }

    public Map<String, String> getProperties() {
        return this.properties;
    }

    public String[] getClazzes() {
        return this.clazzes;
    }

    public Set<Long> getUsingBundleIds() {
        return this.usingBundles;
    }

    public void addProperty(String key, String value) {
        this.properties.put(key, value);
    }

    public void addUsingBundle(Long id) {
        this.usingBundles.add(id);
    }

    public Long getBundleId() {
        return this.bundleId;
    }

    /*
     * Convert ServiceReference.Type returned by the JMX MBean into IServiceReference.Type used by the bundle editor.
     */
    public IServiceReference.Type getType() {
        if (this.type == Type.REGISTERED) {
            return IServiceReference.Type.REGISTERED;
        } else {
            return IServiceReference.Type.IN_USE;
        }
    }

    @Override
    public int hashCode() {
        int hashCode = 17;
        hashCode = 31 * hashCode + this.clazzes.hashCode();
        hashCode = 31 * hashCode + this.type.hashCode();
        return hashCode;
    }

    @Override
    public boolean equals(Object other) {
        if (this == other) {
            return true;
        }
        if (!(other instanceof ServiceReference)) {
            return false;
        }
        ServiceReference that = (ServiceReference) other;
        if (!ObjectUtils.nullSafeEquals(this.clazzes, that.clazzes)) {
            return false;
        }
        if (!ObjectUtils.nullSafeEquals(this.type, that.type)) {
            return false;
        }
        return true;
    }
}