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TaskState.java
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TaskState.java
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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.kafka.trogdor.rest;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.NullNode;
import org.apache.kafka.trogdor.task.TaskSpec;
/**
* The state which a task is in on the Coordinator.
*/
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME,
include = JsonTypeInfo.As.PROPERTY,
property = "state")
@JsonSubTypes({
@JsonSubTypes.Type(value = TaskPending.class, name = TaskStateType.Constants.PENDING_VALUE),
@JsonSubTypes.Type(value = TaskRunning.class, name = TaskStateType.Constants.RUNNING_VALUE),
@JsonSubTypes.Type(value = TaskStopping.class, name = TaskStateType.Constants.STOPPING_VALUE),
@JsonSubTypes.Type(value = TaskDone.class, name = TaskStateType.Constants.DONE_VALUE)
})
public abstract class TaskState extends Message {
private final TaskSpec spec;
private final JsonNode status;
public TaskState(TaskSpec spec, JsonNode status) {
this.spec = spec;
this.status = status == null ? NullNode.instance : status;
}
@JsonProperty
public TaskSpec spec() {
return spec;
}
@JsonProperty
public JsonNode status() {
return status;
}
}