com.hazelcast.partition.ConfigMemberGroupFactory Maven / Gradle / Ivy

/*
 * Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hazelcast.partition;

import com.hazelcast.config.MemberGroupConfig;
import com.hazelcast.core.Member;
import com.hazelcast.instance.MemberImpl;
import com.hazelcast.util.AddressUtil;

import java.util.*;
import java.util.Map.Entry;

public class ConfigMemberGroupFactory extends BackupSafeMemberGroupFactory implements MemberGroupFactory {

    private final Map memberGroupConfigMap;

    public ConfigMemberGroupFactory(Collection memberGroupConfigs) {
        super();
        this.memberGroupConfigMap = new LinkedHashMap();
        int key = 0;
        for (MemberGroupConfig groupConfig : memberGroupConfigs) {
            memberGroupConfigMap.put(key++, groupConfig);
        }
    }

    protected Set createInternalMemberGroups(Collection members) {
        final Map memberGroups = new HashMap();
        for (Member member : members) {
            for (Entry groupConfigEntry : memberGroupConfigMap.entrySet()) {
                if (AddressUtil.matchAnyInterface(((MemberImpl) member).getAddress().getHost(),
                        groupConfigEntry.getValue().getInterfaces())) {
                    MemberGroup group = memberGroups.get(groupConfigEntry.getKey());
                    if (group == null) {
                        group = new DefaultMemberGroup();
                        memberGroups.put(groupConfigEntry.getKey(), group);
                    }
                    group.addMember(member);
                    break;
                }
            }
        }
        return new HashSet(memberGroups.values());
    }
}