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/*
 * 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.flink.runtime.resourcemanager;

import org.apache.flink.configuration.TaskManagerOptionsInternal;
import org.apache.flink.runtime.clusterframework.types.ResourceID;
import org.apache.flink.runtime.clusterframework.types.ResourceProfile;
import org.apache.flink.runtime.instance.HardwareDescription;
import org.apache.flink.runtime.taskexecutor.TaskExecutorMemoryConfiguration;

import java.io.Serializable;

import static org.apache.flink.util.Preconditions.checkNotNull;

/** Information provided by the TaskExecutor when it registers to the ResourceManager. */
public class TaskExecutorRegistration implements Serializable {
    private static final long serialVersionUID = -5727832919954047964L;

    /** The address of the TaskExecutor that registers. */
    private final String taskExecutorAddress;

    /** The resource ID of the TaskExecutor that registers. */
    private final ResourceID resourceId;

    /** Port used for data communication between TaskExecutors. */
    private final int dataPort;

    /** Port used for JMX RMI. */
    private final int jmxPort;

    /** HardwareDescription of the registering TaskExecutor. */
    private final HardwareDescription hardwareDescription;

    /** Memory configuration of the registering TaskExecutor. */
    private final TaskExecutorMemoryConfiguration memoryConfiguration;

    /** The default resource profile for slots requested with unknown resource requirements. */
    private final ResourceProfile defaultSlotResourceProfile;

    /** The task executor total resource profile. */
    private final ResourceProfile totalResourceProfile;

    /**
     * ID of the node where the TaskManager is located on. In Yarn and Native Kubernetes mode, this
     * value will be set by resource manager when launch this TaskManager(via the config option
     * {@link TaskManagerOptionsInternal#TASK_MANAGER_NODE_ID}). In other modes, this value will be
     * the external address of the TaskManager.
     */
    private final String nodeId;

    public TaskExecutorRegistration(
            final String taskExecutorAddress,
            final ResourceID resourceId,
            final int dataPort,
            final int jmxPort,
            final HardwareDescription hardwareDescription,
            final TaskExecutorMemoryConfiguration memoryConfiguration,
            final ResourceProfile defaultSlotResourceProfile,
            final ResourceProfile totalResourceProfile,
            final String nodeId) {
        this.taskExecutorAddress = checkNotNull(taskExecutorAddress);
        this.resourceId = checkNotNull(resourceId);
        this.dataPort = dataPort;
        this.jmxPort = jmxPort;
        this.hardwareDescription = checkNotNull(hardwareDescription);
        this.memoryConfiguration = checkNotNull(memoryConfiguration);
        this.defaultSlotResourceProfile = checkNotNull(defaultSlotResourceProfile);
        this.totalResourceProfile = checkNotNull(totalResourceProfile);
        this.nodeId = checkNotNull(nodeId);
    }

    public String getTaskExecutorAddress() {
        return taskExecutorAddress;
    }

    public ResourceID getResourceId() {
        return resourceId;
    }

    public int getDataPort() {
        return dataPort;
    }

    public int getJmxPort() {
        return jmxPort;
    }

    public HardwareDescription getHardwareDescription() {
        return hardwareDescription;
    }

    public TaskExecutorMemoryConfiguration getMemoryConfiguration() {
        return memoryConfiguration;
    }

    public ResourceProfile getDefaultSlotResourceProfile() {
        return defaultSlotResourceProfile;
    }

    public ResourceProfile getTotalResourceProfile() {
        return totalResourceProfile;
    }

    public String getNodeId() {
        return nodeId;
    }
}