/*

* 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 javax.el;

import java.io.Serializable;

/**

*

*/

public abstract class Expression implements Serializable {

private static final long serialVersionUID = -6663767980471823812L;

public abstract String getExpressionString();

@Override

public abstract boolean equals(Object obj);

@Override

public abstract int hashCode();

public abstract boolean isLiteralText();

}