org.apache.pulsar.common.functions.Resources 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.pulsar.common.functions;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* Class representing resources, such as CPU, RAM, and disk size.
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
@Builder(toBuilder = true)
public class Resources {
private static final Resources DEFAULT = new Resources();
// Default cpu is 1 core
private Double cpu = 1d;
// Default memory is 1GB
private Long ram = 1073741824L;
// Default disk is 10GB
private Long disk = 10737418240L;
public static Resources getDefaultResources() {
return DEFAULT;
}
public static Resources mergeWithDefault(Resources resources) {
if (resources == null) {
return DEFAULT;
}
double cpu = resources.getCpu() == null ? Resources.getDefaultResources().getCpu() : resources.getCpu();
long ram = resources.getRam() == null ? Resources.getDefaultResources().getRam() : resources.getRam();
long disk = resources.getDisk() == null ? Resources.getDefaultResources().getDisk() : resources.getDisk();
return new Resources(cpu, ram, disk);
}
}