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/*
* 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.chemistry.opencmis.server.support.query;
import org.antlr.runtime.tree.Tree;
/**
* Base interface for a tree walker of a WHERE clause.
* <p>
* COntains only a single method used by the ANTLR query walker to initiate a
* tree walk for evaluating the query. You can inherit from this interface if
* you want to have your own walking mechanism
* </p>
*/
public interface PredicateWalkerBase {
Boolean walkPredicate(Tree whereNode);
}