Package org.springframework.data.mongodb.core.query

Class Meta

java.lang.Object
org.springframework.data.mongodb.core.query.Meta
public class Meta extends Object
Meta-data for Query instances.
Since:
1.6
Author:
Christoph Strobl, Oliver Gierke, Mark Paluch

  • Constructor Details

    • Meta

      public Meta()

  • Method Details

    • hasMaxTime

      public boolean hasMaxTime()
      Return whether the maximum time limit for processing operations is set.
      Returns:
      true if set; false otherwise.
      Since:
      4.0.6

    • getMaxTimeMsec

      @Nullable public Long getMaxTimeMsec()
      Returns:
      null if not set.

    • getRequiredMaxTimeMsec

      public Long getRequiredMaxTimeMsec()
      Returns the required maximum time limit in milliseconds or throws IllegalStateException if the maximum time limit is not set.
      Returns:
      the maximum time limit in milliseconds for processing operations.
      Throws:
      IllegalStateException - if the maximum time limit is not set
      Since:
      4.0.6
      See Also:

    • setMaxTimeMsec

      public void setMaxTimeMsec(long maxTimeMsec)
      Set the maximum time limit in milliseconds for processing operations.
      Parameters:
      maxTimeMsec -

    • setMaxTime

      public void setMaxTime(Duration timeout)
      Set the maximum time limit for processing operations.
      Parameters:
      timeout - must not be null.
      Since:
      2.1

    • hasComment

      public boolean hasComment()
      Return whether the comment is set.
      Returns:
      true if set; false otherwise.
      Since:
      4.0.6

    • getComment

      @Nullable public String getComment()
      Returns:
      null if not set.

    • getRequiredComment

      public String getRequiredComment()
      Returns the required comment or throws IllegalStateException if the comment is not set.
      Returns:
      the comment.
      Throws:
      IllegalStateException - if the comment is not set
      Since:
      4.0.6
      See Also:

    • setComment

      public void setComment(String comment)
      Add a comment to the query that is propagated to the profile log.
      Parameters:
      comment -

    • getCursorBatchSize

      @Nullable public Integer getCursorBatchSize()
      Returns:
      null if not set.
      Since:
      2.1

    • setCursorBatchSize

      public void setCursorBatchSize(int cursorBatchSize)
      Apply the batch size (number of documents to return in each response) for a query.
      Use 0 (zero) for no limit. A negative limit closes the cursor after returning a single batch indicating to the server that the client will not ask for a subsequent one.
      Parameters:
      cursorBatchSize - The number of documents to return per batch.
      Since:
      2.1

    • addFlag

      public boolean addFlag(Meta.CursorOption option)
      Add Meta.CursorOption influencing behavior of the FindIterable.
      Parameters:
      option - must not be null.
      Returns:
      Since:
      1.10

    • getFlags

      public Set<Meta.CursorOption> getFlags()
      Returns:
      never null.
      Since:
      1.10

    • getAllowDiskUse

      @Nullable public Boolean getAllowDiskUse()
      When set to true, aggregation stages can write data to disk.
      Returns:
      null if not set.
      Since:
      3.0

    • setAllowDiskUse

      public void setAllowDiskUse(@Nullable Boolean allowDiskUse)
      Enables writing to temporary files for aggregation stages and queries. When set to true, aggregation stages can write data to the _tmp subdirectory in the dbPath directory.

      Starting in MongoDB 4.2, the profiler log messages and diagnostic log messages includes a usedDisk indicator if any aggregation stage wrote data to temporary files due to memory restrictions.

      Parameters:
      allowDiskUse - use null for server defaults.
      Since:
      3.0

    • hasValues

      public boolean hasValues()
      Returns:

    • values

      public Iterable<Map.Entry<String,Object>> values()
      Get Iterable of set meta values.
      Returns:

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • equals

      public boolean equals(@Nullable Object obj)
      Overrides:
      equals in class Object