/*
* Copyright 2014 Goldman Sachs.
*
* 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.gs.collections.impl.block.procedure;
import java.util.Comparator;
import java.util.NoSuchElementException;
import com.gs.collections.api.block.procedure.Procedure;
public abstract class ComparatorProcedure<T> implements Procedure<T>
{
private static final long serialVersionUID = 1L;
protected final Comparator<? super T> comparator;
protected boolean visitedAtLeastOnce;
protected T result;
protected ComparatorProcedure(Comparator<? super T> comparator)
{
this.comparator = comparator;
}
public boolean isVisitedAtLeastOnce()
{
return this.visitedAtLeastOnce;
}
public T getResult()
{
if (!this.visitedAtLeastOnce)
{
throw new NoSuchElementException();
}
return this.result;
}
}