io.grpc.internal.SharedResourcePool Maven / Gradle / Ivy
/*
* Copyright 2016 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;
/**
* An ObjectPool backed by a {@link SharedResourceHolder.Resource}.
*/
public final class SharedResourcePool implements ObjectPool {
private final SharedResourceHolder.Resource resource;
private SharedResourcePool(SharedResourceHolder.Resource resource) {
this.resource = resource;
}
public static SharedResourcePool forResource(SharedResourceHolder.Resource resource) {
return new SharedResourcePool<>(resource);
}
@Override
public T getObject() {
return SharedResourceHolder.get(resource);
}
@Override
@SuppressWarnings("unchecked")
public T returnObject(Object object) {
SharedResourceHolder.release(resource, (T) object);
return null;
}
}