Package com.mongodb

Class WriteResult

java.lang.Object
com.mongodb.WriteResult

public class WriteResult extends Object
This class lets you access the results of the previous acknowledged write. If the write was unacknowledged, all property access methods will throw UnsupportedOperationException.
See Also:
  • Constructor Details

    • WriteResult

      public WriteResult(int n, boolean updateOfExisting, @Nullable Object upsertedId)
      Construct a new instance.
      Parameters:
      n - the number of existing documents affected by this operation
      updateOfExisting - true if the operation was an update and an existing document was updated
      upsertedId - the _id of a document that was upserted by this operation, which may be null
  • Method Details

    • unacknowledged

      public static WriteResult unacknowledged()
      Gets an instance representing an unacknowledged write.
      Returns:
      an instance representing an unacknowledged write
      Since:
      3.0
    • wasAcknowledged

      public boolean wasAcknowledged()
      Returns true if the write was acknowledged.
      Returns:
      true if the write was acknowledged
      Since:
      3.0
      See Also:
    • getN

      public int getN()
      Gets the "n" field, which contains the number of documents affected in the write operation.
      Returns:
      the value of the "n" field
      Throws:
      UnsupportedOperationException - if the write was unacknowledged
      See Also:
    • getUpsertedId

      @Nullable public Object getUpsertedId()
      Gets the _id value of an upserted document that resulted from this write.
      Returns:
      the value of the _id of an upserted document, which may be null
      Throws:
      UnsupportedOperationException - if the write was unacknowledged
      Since:
      2.12
    • isUpdateOfExisting

      public boolean isUpdateOfExisting()
      Returns true if this write resulted in an update of an existing document.
      Returns:
      whether the write resulted in an update of an existing document.
      Throws:
      UnsupportedOperationException - if the write was unacknowledged
      Since:
      2.12
    • toString

      public String toString()
      Overrides:
      toString in class Object