com.metamx.common.guava.LazySequence Maven / Gradle / Ivy
/*
* Copyright 2011,2012 Metamarkets Group Inc.
*
* 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.metamx.common.guava;
import com.google.common.base.Supplier;
/**
*/
public class LazySequence implements Sequence
{
private final Supplier> provider;
public LazySequence(
Supplier> provider
)
{
this.provider = provider;
}
@Override
public OutType accumulate(OutType initValue, Accumulator accumulator)
{
return provider.get().accumulate(initValue, accumulator);
}
@Override
public Yielder toYielder(OutType initValue, YieldingAccumulator accumulator)
{
return provider.get().toYielder(initValue, accumulator);
}
}