Move WithBuilder to main side #486

querydsl-sql/src/main/java/com/mysema/query/sql/WithBuilder.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2013, Mysema Ltd
+ *
+ * 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.mysema.query.sql;
+
+import com.mysema.query.QueryFlag;
+import com.mysema.query.support.QueryMixin;
+import com.mysema.query.types.Expression;
+import com.mysema.query.types.OperationImpl;
+
+/**
+ * @author tiwe
+ *
+ * @param <R>
+ */
+public class WithBuilder<R> {
+
+    private final QueryMixin<R> queryMixin;
+
+    private final Expression<?> alias;
+
+    public WithBuilder(QueryMixin<R> queryMixin, Expression<?> alias) {
+        this.queryMixin = queryMixin;
+        this.alias = alias;
+    }
+
+    public R as(Expression<?> expr) {
+        Expression<?> flag = OperationImpl.create(alias.getType(), SQLTemplates.WITH_ALIAS, alias, expr);
+        return queryMixin.addFlag(new QueryFlag(QueryFlag.Position.WITH, flag));
+    }
+
+}