com.aliyun.odps.jdbc.WrapperAdapter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 com.aliyun.odps.jdbc;
import java.sql.Wrapper;
public class WrapperAdapter implements Wrapper {
public WrapperAdapter() {
}
@Override
public boolean isWrapperFor(Class iface) {
return iface != null && iface.isInstance(this);
}
@SuppressWarnings("unchecked")
@Override
public T unwrap(Class iface) {
if (iface == null) {
return null;
}
if (iface.isInstance(this)) {
return (T) this;
}
return null;
}
}