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A quick developing framewort for internet company

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/**
 * Copyright (C) 2016 - 2030 youtongluan.
 *
 * 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.yx.common.expression;

import java.util.Map;

public class HasKeyExpression extends SimpleExpression {

	HasKeyExpression(String key) {
		super(key);
	}

	@Override
	public boolean test(Map map) {
		return map.containsKey(key);
	}

	@Override
	public String toString() {
		return "HasKey:".concat(key);
	}
}