| /* |
| * 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.oodt.cas.catalog.query; |
| |
| /** |
| * @author bfoster |
| * @version $Revision$ |
| * |
| * <p> |
| * A QueryExpression which wrappers another QueryExpression |
| * <p> |
| */ |
| public abstract class WrapperQueryExpression extends QueryExpression { |
| |
| protected QueryExpression queryExpression; |
| |
| public WrapperQueryExpression() { |
| super(); |
| } |
| |
| public WrapperQueryExpression(QueryExpression queryExpression) { |
| this(); |
| this.queryExpression = queryExpression; |
| } |
| |
| public QueryExpression getQueryExpression() { |
| return queryExpression; |
| } |
| |
| public void setQueryExpression(QueryExpression queryExpression) { |
| this.queryExpression = queryExpression; |
| } |
| |
| @Override |
| public String toString() { |
| return "(" + this.queryExpression + ")"; |
| } |
| |
| public abstract boolean isValidWithNoSubExpression(); |
| |
| public abstract WrapperQueryExpression clone(); |
| |
| } |