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* 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
*
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package org.apache.ofbiz.entity.condition;
import java.util.List;
/**
* <p>Represents the conditions to be used to constrain a query.</p>
* <p>An EntityCondition can represent various type of constraints, including:</p>
* <ul>
* <li>EntityConditionList: a list of EntityConditions, combined with the operator specified
* <li>EntityExpr: for simple expressions or expressions that combine EntityConditions
* <li>EntityFieldMap: a map of fields where the field (key) equals the value, combined with the operator specified
* </ul>
* These can be used in various combinations using the EntityConditionList and EntityExpr objects.
*
*/
public interface EntityConditionVisitor {
<T> void visit(T obj);
<T> void accept(T obj);
void acceptObject(Object obj);
void acceptEntityCondition(EntityCondition condition);
<T extends EntityCondition> void acceptEntityJoinOperator(EntityJoinOperator op, List<T> conditions);
<L,R,T> void acceptEntityOperator(EntityOperator<L, R, T> op, L lhs, R rhs);
<L,R> void acceptEntityComparisonOperator(EntityComparisonOperator<L, R> op, L lhs, R rhs);
void acceptEntityConditionValue(EntityConditionValue value);
void acceptEntityFieldValue(EntityFieldValue value);
void acceptEntityExpr(EntityExpr expr);
<T extends EntityCondition> void acceptEntityConditionList(EntityConditionList<T> list);
void acceptEntityFieldMap(EntityFieldMap fieldMap);
void acceptEntityConditionFunction(EntityConditionFunction func, EntityCondition nested);
<T extends Comparable<?>> void acceptEntityFunction(EntityFunction<T> func);
void acceptEntityWhereString(EntityWhereString condition);
void acceptEntityDateFilterCondition(EntityDateFilterCondition condition);
}