org.skife.jdbi.v2.sqlobject.HashCodeHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jdbi Show documentation

jDBI is designed to provide convenient tabular data access in Java(tm). It uses the Java collections framework for query results, provides a convenient means of externalizing sql statements, and provides named parameter support for any database being used.

There is a newer version: 2.78

Show newest version

/*
 * 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 org.skife.jdbi.v2.sqlobject;

import net.sf.cglib.proxy.MethodProxy;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

class HashCodeHandler implements Handler
{
    static Map handler()
    {
        try
        {
            Map handler = new HashMap();
            handler.put(Object.class.getMethod("hashCode"), new HashCodeHandler());
            return handler;
        }
        catch (NoSuchMethodException e)
        {
            throw new IllegalStateException("JVM error");
        }
    }

    @Override
    public Object invoke(HandleDing h, Object target, Object[] args, MethodProxy mp)
    {
        return System.identityHashCode(target);
    }
}