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/*
 * 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.oracle;

import java.sql.Connection;
import java.util.function.Supplier;

import com.querydsl.core.DefaultQueryMetadata;
import com.querydsl.core.QueryMetadata;
import com.querydsl.core.Tuple;
import com.querydsl.core.types.Expression;
import com.querydsl.sql.Configuration;
import com.querydsl.sql.OracleTemplates;
import com.querydsl.sql.SQLTemplates;

/**
 * {@code OracleQuery} provides Oracle specific extensions to the base SQL query type
 *
 * If you need to subtype this, use the base class instead.
 *
 * @author tiwe
 * @param  result type
 */
public class OracleQuery extends AbstractOracleQuery> {
    public OracleQuery(Connection conn) {
        this(conn, OracleTemplates.DEFAULT, new DefaultQueryMetadata());
    }

    public OracleQuery(Connection conn, SQLTemplates templates) {
        this(conn, templates, new DefaultQueryMetadata());
    }

    public OracleQuery(Connection conn, Configuration configuration) {
        super(conn, configuration, new DefaultQueryMetadata());
    }

    public OracleQuery(Connection conn, Configuration configuration, QueryMetadata metadata) {
        super(conn, configuration, metadata);
    }

    protected OracleQuery(Connection conn, SQLTemplates templates, QueryMetadata metadata) {
        super(conn, new Configuration(templates), metadata);
    }

    public OracleQuery(Supplier connProvider, Configuration configuration, QueryMetadata metadata) {
        super(connProvider, configuration, metadata);
    }

    public OracleQuery(Supplier connProvider, Configuration configuration) {
        super(connProvider, configuration, new DefaultQueryMetadata());
    }


    @Override
    public OracleQuery clone(Connection conn) {
        OracleQuery q = new OracleQuery(conn, getConfiguration(), getMetadata().clone());
        q.clone(this);
        return q;
    }

    @Override
    public  OracleQuery select(Expression expr) {
        queryMixin.setProjection(expr);
        @SuppressWarnings("unchecked") // This is the new type
                OracleQuery newType = (OracleQuery) this;
        return newType;
    }

    @Override
    public OracleQuery select(Expression... exprs) {
        queryMixin.setProjection(exprs);
        @SuppressWarnings("unchecked") // This is the new type
                OracleQuery newType = (OracleQuery) this;
        return newType;
    }
}