/*
// Licensed to Julian Hyde under one or more contributor license
// agreements. See the NOTICE file distributed with this work for
// additional information regarding copyright ownership.
//
// Julian Hyde licenses this file to you 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 net.hydromatic.optiq.jdbc;

import net.hydromatic.optiq.MutableSchema;
import net.hydromatic.optiq.impl.java.JavaTypeFactory;

import net.hydromatic.linq4j.QueryProvider;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

/**
 * Extension to Optiq's implementation of
 * {@link java.sql.Connection JDBC connection} allows schemas to be defined
 * dynamically.
 *
 * <p>You can start off with an empty connection (no schemas), define one
 * or two schemas, and start querying them.</p>
 *
 * <p>Since an {@code OptiqConnection} implements the linq4j
 * {@link QueryProvider} interface, you can use a connection to execute
 * expression trees as queries.</p>
 */
public interface OptiqConnection extends Connection, QueryProvider {
    /**
     * Returns the root schema.
     *
     * <p>You can define objects (such as relations) in this schema, and
     * also nested schemas.</p>
     *
     * @return Root schema
     */
    MutableSchema getRootSchema();

    /**
     * Returns the type factory.
     *
     * @return Type factory
     */
    JavaTypeFactory getTypeFactory();

    /**
     * Returns an instance of the connection properties.
     *
     * <p>NOTE: The resulting collection of properties is same collection used
     * by the connection, and is writable, but behavior if you modify the
     * collection is undefined. Some implementations might, for example, see
     * a modified property, but only if you set it before you create a
     * statement. We will remove this method when there are better
     * implementations of stateful connections and configuration.</p>
     *
     * @return properties
     */
    Properties getProperties();

    // in java.sql.Connection from JDK 1.7, but declare here to allow other JDKs
    void setSchema(String schema) throws SQLException;
}

// End OptiqConnection.java

/*
// Licensed to Julian Hyde under one or more contributor license
// agreements. See the NOTICE file distributed with this work for
// additional information regarding copyright ownership.
//
// Julian Hyde licenses this file to you 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 net.hydromatic.optiq.jdbc;

import net.hydromatic.optiq.MutableSchema;
import net.hydromatic.optiq.impl.java.JavaTypeFactory;

import net.hydromatic.linq4j.QueryProvider;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

/**
 * Extension to Optiq's implementation of
 * {@link java.sql.Connection JDBC connection} allows schemas to be defined
 * dynamically.
 *
 * <p>You can start off with an empty connection (no schemas), define one
 * or two schemas, and start querying them.</p>
 *
 * <p>Since an {@code OptiqConnection} implements the linq4j
 * {@link QueryProvider} interface, you can use a connection to execute
 * expression trees as queries.</p>
 */
public interface OptiqConnection extends Connection, QueryProvider {
    /**
     * Returns the root schema.
     *
     * <p>You can define objects (such as relations) in this schema, and
     * also nested schemas.</p>
     *
     * @return Root schema
     */
    MutableSchema getRootSchema();

    /**
     * Returns the type factory.
     *
     * @return Type factory
     */
    JavaTypeFactory getTypeFactory();

    /**
     * Returns an instance of the connection properties.
     *
     * <p>NOTE: The resulting collection of properties is same collection used
     * by the connection, and is writable, but behavior if you modify the
     * collection is undefined. Some implementations might, for example, see
     * a modified property, but only if you set it before you create a
     * statement. We will remove this method when there are better
     * implementations of stateful connections and configuration.</p>
     *
     * @return properties
     */
    Properties getProperties();

    // in java.sql.Connection from JDK 1.7, but declare here to allow other JDKs
    void setSchema(String schema) throws SQLException;

    // in java.sql.Connection from JDK 1.7, but declare here to allow other JDKs
    String getSchema() throws SQLException;
}

// End OptiqConnection.java

Fix for JDK 1.6.