/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* 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.querydsl.sql.mssql;
import java.sql.Connection;
import javax.inject.Provider;
import com.querydsl.core.DefaultQueryMetadata;
import com.querydsl.core.JoinFlag;
import com.querydsl.core.QueryMetadata;
import com.querydsl.core.Tuple;
import com.querydsl.core.types.Expression;
import com.querydsl.sql.AbstractSQLQuery;
import com.querydsl.sql.Configuration;
import com.querydsl.sql.SQLServerTemplates;
import com.querydsl.sql.SQLTemplates;
/**
* {@code SQLServerQuery} provides SQL Server related extensions to SQLQuery
*
* @param <T> result type
*
* @author tiwe
*/
public class SQLServerQuery<T> extends AbstractSQLQuery<T, SQLServerQuery<T>> {
public SQLServerQuery(Connection conn) {
this(conn, SQLServerTemplates.DEFAULT, new DefaultQueryMetadata());
}
public SQLServerQuery(Connection conn, SQLTemplates templates) {
this(conn, templates, new DefaultQueryMetadata());
}
protected SQLServerQuery(Connection conn, SQLTemplates templates, QueryMetadata metadata) {
super(conn, new Configuration(templates), metadata);
}
public SQLServerQuery(Connection conn, Configuration configuration, QueryMetadata metadata) {
super(conn, configuration, metadata);
}
public SQLServerQuery(Connection conn, Configuration configuration) {
super(conn, configuration);
}
public SQLServerQuery(Provider<Connection> connProvider, Configuration configuration, QueryMetadata metadata) {
super(connProvider, configuration, metadata);
}
public SQLServerQuery(Provider<Connection> connProvider, Configuration configuration) {
super(connProvider, configuration);
}
/**
* Set the table hints
*
* @param tableHints table hints
* @return the current object
*/
public SQLServerQuery<T> tableHints(SQLServerTableHints... tableHints) {
if (tableHints.length > 0) {
String hints = SQLServerGrammar.tableHints(tableHints);
addJoinFlag(hints, JoinFlag.Position.END);
}
return this;
}
@Override
public SQLServerQuery<T> clone(Connection conn) {
SQLServerQuery<T> q = new SQLServerQuery<T>(conn, getConfiguration(), getMetadata().clone());
q.clone(this);
return q;
}
@Override
public <U> SQLServerQuery<U> select(Expression<U> expr) {
queryMixin.setProjection(expr);
@SuppressWarnings("unchecked") // This is the new type
SQLServerQuery<U> newType = (SQLServerQuery<U>) this;
return newType;
}
@Override
public SQLServerQuery<Tuple> select(Expression<?>... exprs) {
queryMixin.setProjection(exprs);
@SuppressWarnings("unchecked") // This is the new type
SQLServerQuery<Tuple> newType = (SQLServerQuery<Tuple>) this;
return newType;
}
}