mirror of
https://github.com/querydsl/querydsl.git
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43 lines
1.3 KiB
Java
43 lines
1.3 KiB
Java
/*
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* Copyright 2013, Mysema Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.mysema.query.sql;
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import com.mysema.query.QueryFlag;
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import com.mysema.query.support.QueryMixin;
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import com.mysema.query.types.Expression;
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import com.mysema.query.types.OperationImpl;
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/**
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* @author tiwe
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*
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* @param <R>
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*/
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public class WithBuilder<R> {
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private final QueryMixin<R> queryMixin;
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private final Expression<?> alias;
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public WithBuilder(QueryMixin<R> queryMixin, Expression<?> alias) {
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this.queryMixin = queryMixin;
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this.alias = alias;
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}
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public R as(Expression<?> expr) {
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Expression<?> flag = OperationImpl.create(alias.getType(), SQLOps.WITH_ALIAS, alias, expr);
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return queryMixin.addFlag(new QueryFlag(QueryFlag.Position.WITH, flag));
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}
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}
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