org.apache.hudi.common.util.SizeEstimator Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 org.apache.hudi.common.util;
/**
* An interface to estimate the size of payload in memory.
*
* @param
*/
public interface SizeEstimator {
/**
* This method is used to estimate the size of a payload in memory. The default implementation returns the total
* allocated size, in bytes, of the object and all other objects reachable from it
*/
long sizeEstimate(T t);
}