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Core services for Usergrid system.
/*******************************************************************************
* Copyright 2012 Apigee Corporation
*
* 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.usergrid.persistence.query.tree;
import org.usergrid.persistence.exceptions.NoFullTextIndexException;
import org.usergrid.persistence.exceptions.NoIndexException;
import org.usergrid.persistence.exceptions.PersistenceException;
/**
* Interface for visiting nodes in our AST as we produce
*
* @author tnine
*
*/
public interface QueryVisitor {
/**
*
* @param op
* @throws PersistenceException
*/
public void visit(AndOperand op) throws PersistenceException;
/**
* @param op
* @throws PersistenceException
*/
public void visit(OrOperand op) throws PersistenceException;
/**
* @param op
* @throws PersistenceException
*/
public void visit(NotOperand op) throws PersistenceException;
/**
* @param op
* @throws NoIndexException
*/
public void visit(LessThan op) throws NoIndexException;
/**
* @param op
* @throws NoFullTextIndexException
*/
public void visit(ContainsOperand op) throws NoFullTextIndexException;
/**
* @param op
*/
public void visit(WithinOperand op);
/**
* @param op
* @throws NoIndexException
*/
public void visit(LessThanEqual op) throws NoIndexException;
/**
* @param op
* @throws NoIndexException
*/
public void visit(Equal op) throws NoIndexException;
/**
* @param op
* @throws NoIndexException
*/
public void visit(GreaterThan op) throws NoIndexException;
/**
* @param op
* @throws NoIndexException
*/
public void visit(GreaterThanEqual op) throws NoIndexException;
}