SingletonModule.java

/**
 *      Copyright (C) 2010 Lowereast Software
 *
 *   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.lowereast.guiceymongo.guice.spi;

import com.google.inject.Module;

public abstract class SingletonModule<T> implements Module {
	protected T key;
	
	public SingletonModule(T key) {
		this.key = key;
	}
	
	@Override
	public boolean equals(Object obj) {
		return obj instanceof SingletonModule<?> && ((SingletonModule<?>)obj).key.equals(key);
	}
	
	@Override
	public int hashCode() {
		return key.hashCode();
	}
	
	@Override
	public String toString() {
		return getClass().getName() + "(key=" + key.toString() + ")";
	}
}