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Cane is based on the coding behaviour analysis of data manipulation interface to allow coders are close to their habit of thinking of ways to manipulate the data. API definition for Cane.

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/**
 * Copyright 2011 CaneData.org
 * 
 * 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 org.canedata.expression;

/**
 * 
 * @author Yat-ton
 * @version 1.00.000 2011-5-4
 */
public interface Operator {
	public static final int EQUALS = 1;

	public static final int NOT_EQUALS = 2;

	public static final int LESSTHAN = 3;

	public static final int LESSTHAN_OR_EQUAL = 4;

	public static final int GREATERTHAN = 5;

	public static final int GREATERTHAN_OR_EQUAL = 6;

	public static final int BETWEEN = 7;

	public static final int NOT_BETWEEN = 8;

	public static final int LIKE = 9;

	public static final int NOT_LIKE = 10;

	public static final int IN = 11;

	public static final int NOT_IN = 12;

	public static final int EMPTY = 13;

	public static final int NOT_EMPTY = 14;

	public static final int NULL = 15;

	public static final int NOT_NULL = 16;

	public static final int MATCH = 17;
	
	public static final int NOT_MATCH = 18;

	public static final int AND = 19;
	
	public static final int AND_EPR = 20;
	
	public static final int OR = 21;
	
	public static final int OR_EPR = 22;
}