io.netty.buffer.ByteBufAllocatorMetric Maven / Gradle / Ivy
/*
* Copyright 2017 The Netty Project
*
* The Netty Project licenses this file to you 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.netty.buffer;
public interface ByteBufAllocatorMetric {
/**
* Returns the number of bytes of heap memory used by a {@link ByteBufAllocator} or {@code -1} if unknown.
*/
long usedHeapMemory();
/**
* Returns the number of bytes of direct memory used by a {@link ByteBufAllocator} or {@code -1} if unknown.
*/
long usedDirectMemory();
}