Package org.elasticsearch.tasks

Class TaskResult

java.lang.Object
org.elasticsearch.tasks.TaskResult
All Implemented Interfaces:
Writeable, org.elasticsearch.common.xcontent.ToXContent, org.elasticsearch.common.xcontent.ToXContentObject
public final class TaskResult extends Object implements Writeable, org.elasticsearch.common.xcontent.ToXContentObject
Information about a running task or a task that stored its result. Running tasks just have a getTask() while tasks with stored result will have either a getError() or getResponse().

  • Field Details

    • PARSER

      public static final org.elasticsearch.common.xcontent.InstantiatingObjectParser<TaskResult,​Void> PARSER

  • Constructor Details

    • TaskResult

      public TaskResult​(boolean completed, TaskInfo task)
      Construct a TaskResult for a task for which we don't have a result or error. That usually means that the task is incomplete, but it could also mean that we waited for the task to complete but it didn't save any error information.

    • TaskResult

      public TaskResult​(TaskInfo task, Exception error) throws IOException
      Construct a TaskResult for a task that completed with an error.
      Throws:
      IOException

    • TaskResult

      public TaskResult​(TaskInfo task, org.elasticsearch.common.xcontent.ToXContent response) throws IOException
      Construct a TaskResult for a task that completed successfully.
      Throws:
      IOException

    • TaskResult

      public TaskResult​(boolean completed, TaskInfo task, @Nullable BytesReference error, @Nullable BytesReference result)

    • TaskResult

      public TaskResult​(StreamInput in) throws IOException
      Read from a stream.
      Throws:
      IOException

  • Method Details

    • writeTo

      public void writeTo​(StreamOutput out) throws IOException
      Description copied from interface: Writeable
      Write this into the StreamOutput.
      Specified by:
      writeTo in interface Writeable
      Throws:
      IOException

    • getTask

      public TaskInfo getTask()
      Get the task that this wraps.

    • getError

      public BytesReference getError()
      Get the error that finished this task. Will return null if the task didn't finish with an error, it hasn't yet finished, or didn't store its result.

    • getErrorAsMap

      public Map<String,​Object> getErrorAsMap()
      Convert getError() from XContent to a Map for easy processing. Will return an empty map if the task didn't finish with an error, hasn't yet finished, or didn't store its result.

    • getResponse

      public BytesReference getResponse()
      Get the response that this task finished with. Will return null if the task was finished by an error, it hasn't yet finished, or didn't store its result.

    • getResponseAsMap

      public Map<String,​Object> getResponseAsMap()
      Convert getResponse() from XContent to a Map for easy processing. Will return an empty map if the task was finished with an error, hasn't yet finished, or didn't store its result.

    • isCompleted

      public boolean isCompleted()

    • toXContent

      public org.elasticsearch.common.xcontent.XContentBuilder toXContent​(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params) throws IOException
      Specified by:
      toXContent in interface org.elasticsearch.common.xcontent.ToXContent
      Throws:
      IOException

    • innerToXContent

      public org.elasticsearch.common.xcontent.XContentBuilder innerToXContent​(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params) throws IOException
      Throws:
      IOException

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • equals

      public boolean equals​(Object obj)
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object