/*
* Copyright 2011, 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 java.sql.Connection;
import javax.inject.Provider;
import com.infradna.tool.bridge_method_injector.WithBridgeMethods;
import com.mysema.query.sql.dml.SQLDeleteClause;
import com.mysema.query.sql.dml.SQLInsertClause;
import com.mysema.query.sql.dml.SQLMergeClause;
import com.mysema.query.sql.dml.SQLUpdateClause;
import com.mysema.query.types.Expression;
import com.mysema.query.types.Path;
import com.mysema.query.types.SubQueryExpression;
/**
* AbstractSQLQueryFactory is the base class for {@link SQLCommonQueryFactory} implementations
*
* @author tiwe
*
*/
public abstract class AbstractSQLQueryFactory<Q extends SQLCommonQuery<Q>, SQ extends AbstractSQLSubQuery<SQ>> implements SQLCommonQueryFactory<Q, SQ,
SQLDeleteClause, SQLUpdateClause, SQLInsertClause, SQLMergeClause> {
protected final Configuration configuration;
protected final Provider<Connection> connection;
public AbstractSQLQueryFactory(Configuration configuration, Provider<Connection> connection) {
this.configuration = configuration;
this.connection = connection;
}
@Override
public final SQLDeleteClause delete(RelationalPath<?> path) {
return new SQLDeleteClause(connection.get(), configuration, path);
}
@Override
public final Q from(Expression<?> from) {
return (Q) query().from(from);
}
public final Q from(Expression<?>... args) {
return (Q) query().from(args);
}
public final Q from(SubQueryExpression<?> subQuery, Path<?> alias) {
return (Q) query().from(subQuery, alias);
}
@Override
public final SQLInsertClause insert(RelationalPath<?> path) {
return new SQLInsertClause(connection.get(), configuration, path);
}
@Override
public final SQLMergeClause merge(RelationalPath<?> path) {
return new SQLMergeClause(connection.get(), configuration, path);
}
@Override
public final SQLUpdateClause update(RelationalPath<?> path) {
return new SQLUpdateClause(connection.get(), configuration, path);
}
@SuppressWarnings("unchecked")
@Override
@WithBridgeMethods(value=SQLSubQuery.class, castRequired=true)
public SQ subQuery() {
return (SQ) new SQLSubQuery();
}
@Override
@WithBridgeMethods(value=SQLSubQuery.class, castRequired=true)
public final SQ subQuery(Expression<?> from) {
return subQuery().from(from);
}
public final Configuration getConfiguration() {
return configuration;
}
public final Connection getConnection() {
return connection.get();
}
}