/*
* 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.github.ggrandes.kvstore.utils;
import java.lang.reflect.Array;
/**
* Workarround for Java generics Reference: <a href=
* "http://stackoverflow.com/questions/3731612/generic-array-creation-vs-array-newinstance"
* >Generic array-creation</a>
*
* @author Guillermo Grandes / guillermo.grandes[at]gmail.com
*/
public class GenericFactory<T> {
public final Class<T> type;
public GenericFactory(final Class<T> type) {
this.type = type;
}
/**
* Allocate a new array of objects of type T.
* @param size of the array to allocate
* @return array allocated
*/
@SuppressWarnings({"unchecked"})
public T[] newArray(final int size) {
return (T[])Array.newInstance(type, size);
}
/**
* Create a new instance of type T
* @return new object of type T
* @throws InstantiationException
* @throws IllegalAccessException
*/
public T newInstance() throws InstantiationException, IllegalAccessException {
return type.newInstance();
}
}