flink-runtime/src/main/java/org/apache/flink/runtime/resourcemanager/WorkerResourceSpecFactory.java

/*
 * 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
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 */

package org.apache.flink.runtime.resourcemanager;

import org.apache.flink.api.common.resources.CPUResource;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.clusterframework.TaskExecutorProcessSpec;
import org.apache.flink.runtime.clusterframework.TaskExecutorProcessUtils;

/** Factory for creating deployment specific default {@link WorkerResourceSpec}. */
public abstract class WorkerResourceSpecFactory {

    public abstract WorkerResourceSpec createDefaultWorkerResourceSpec(Configuration configuration);

    protected WorkerResourceSpec workerResourceSpecFromConfigAndCpu(
            Configuration configuration, CPUResource cpuResource) {
        final TaskExecutorProcessSpec taskExecutorProcessSpec =
                TaskExecutorProcessUtils.newProcessSpecBuilder(configuration)
                        .withCpuCores(cpuResource)
                        .build();
        return WorkerResourceSpec.fromTaskExecutorProcessSpec(taskExecutorProcessSpec);
    }
}