co.elastic.clients.elasticsearch._helpers.esql.jdbc.JdbcWrapper Maven / Gradle / Ivy

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/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. 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 co.elastic.clients.elasticsearch._helpers.esql.jdbc;

import java.sql.SQLException;
import java.sql.Wrapper;

interface JdbcWrapper extends Wrapper {

    @Override
    default boolean isWrapperFor(Class iface) throws SQLException {
        return iface != null && iface.isAssignableFrom(getClass());
    }

    @SuppressWarnings("unchecked")
    @Override
    default  T unwrap(Class iface) throws SQLException {
        if (isWrapperFor(iface)) {
            return (T) this;
        }
        throw new SQLException();
    }
}