stack/core/src/main/java/org/apache/usergrid/persistence/Update.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;


import java.util.ArrayList;
import java.util.List;


public class Update {

    private List<UpdateOperation> operationList = new ArrayList<UpdateOperation>();


    public class UpdateOperation {
        String propertyName;
        UpdateOperator operator;
        Object value;


        UpdateOperation( String propertyName, UpdateOperator operator, Object value ) {
            this.propertyName = propertyName;
            this.operator = operator;
            this.value = value;
        }


        public String getPropertyName() {
            return propertyName;
        }


        public UpdateOperator getOperator() {
            return operator;
        }


        public Object getValue() {
            return value;
        }
    }


    public static enum UpdateOperator {
        UPDATE, DELETE, ADD_TO_LIST, REMOVE_FROM_LIST
    }


    public Update() {
    }


    public void add( String propertyName, UpdateOperator operator, Object value ) {
        UpdateOperation operation = new UpdateOperation( propertyName, operator, value );
        operationList.add( operation );
    }


    public void clear() {
        operationList = new ArrayList<UpdateOperation>();
    }
}