io.grpc.internal.FixedObjectPool Maven / Gradle / Ivy
/*
* Copyright 2017 The gRPC Authors
*
* 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 io.grpc.internal;
import com.google.common.base.Preconditions;
/**
* An object pool that always returns the same instance and does nothing when returning the object.
*/
public final class FixedObjectPool implements ObjectPool {
private final T object;
public FixedObjectPool(T object) {
this.object = Preconditions.checkNotNull(object, "object");
}
@Override
public T getObject() {
return object;
}
@Override
public T returnObject(Object returned) {
return null;
}
}