stack/core/src/main/java/org/apache/usergrid/persistence/cassandra/ConnectedEntityRefImpl.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.usergrid.persistence.cassandra;


import java.util.UUID;

import org.apache.usergrid.persistence.ConnectedEntityRef;
import org.apache.usergrid.persistence.EntityRef;
import org.apache.usergrid.persistence.SimpleEntityRef;


public class ConnectedEntityRefImpl extends SimpleEntityRef implements ConnectedEntityRef {

    final String connectionType;


    public ConnectedEntityRefImpl() {
        super( null, null );
        connectionType = null;
    }


    public ConnectedEntityRefImpl( String connectionType, EntityRef connectedEntity ) {
        super( connectedEntity.getType(), connectedEntity.getUuid() );
        this.connectionType = connectionType;
    }


    public ConnectedEntityRefImpl( String connectionType, String entityType, UUID entityId ) {
        super( entityType, entityId );
        this.connectionType = connectionType;
    }


    @Override
    public String getConnectionType() {
        return connectionType;
    }


    public static String getConnectionType( ConnectedEntityRef connection ) {
        if ( connection == null ) {
            return null;
        }
        return connection.getConnectionType();
    }
}