com.blazebit.persistence.HavingBuilder Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 Blazebit.
*
* 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 com.blazebit.persistence;
/**
* An interface for builders that support aggregation.
* This is related to the fact, that a query builder supports group by and having clauses.
*
* @param The concrete builder type
* @author Christian Beikov
* @since 1.0.0
*/
public interface HavingBuilder> extends BaseHavingBuilder {
/**
* Starts a {@link HavingOrBuilder} which is a predicate consisting only of disjunctiv connected predicates.
* When the builder finishes, the predicate is added to the parent predicate container represented by the type T.
*
* @return The or predicate builder for the having clause
*/
public HavingOrBuilder havingOr();
/**
* Sets the given expression as expression for the having clause.
*
* @param expression The having expression
* @return The builder
* @since 1.2.0
*/
public T setHavingExpression(String expression);
/**
* Starts a {@link MultipleSubqueryInitiator} for expression of the having clause.
*
*
* All occurrences of subsequently defined subqueryAliases in expression will be replaced by the respective subquery.
* When the builder finishes, the resulting expression is used as expression for the having clause.
*
*
* @param expression The having expression
* @return The subquery initiator for building multiple subqueries for their respective subqueryAliases
* @since 1.2.0
*/
public MultipleSubqueryInitiator setHavingExpressionSubqueries(String expression);
}