Package com.mongodb.operation

Class ParallelCollectionScanOperation<T>

java.lang.Object
com.mongodb.operation.ParallelCollectionScanOperation<T>
Type Parameters:
T - the operations result type.
All Implemented Interfaces:
AsyncReadOperation<List<AsyncBatchCursor<T>>>, ReadOperation<List<BatchCursor<T>>>
@Deprecated public class ParallelCollectionScanOperation<T> extends Object implements AsyncReadOperation<List<AsyncBatchCursor<T>>>, ReadOperation<List<BatchCursor<T>>>
Deprecated.
Return a list of cursors over the collection that can be used to scan it in parallel.

Note: As of MongoDB 2.6, this operation will work against a mongod, but not a mongos.

Since:
3.0

  • Constructor Details

    • ParallelCollectionScanOperation

      public ParallelCollectionScanOperation(MongoNamespace namespace, int numCursors, Decoder<T> decoder)
      Deprecated.
      Construct a new instance.
      Parameters:
      namespace - the database and collection namespace for the operation.
      numCursors - The maximum number of cursors to return. Must be between 1 and 10000, inclusive.
      decoder - the decoder for the result documents.

  • Method Details

    • getNumCursors

      public int getNumCursors()
      Deprecated.
      Gets the number of cursors requested.
      Returns:
      number of cursors requested.

    • getBatchSize

      public int getBatchSize()
      Deprecated.
      Gets the batch size to use for each cursor. The default value is 0, which tells the server to use its own default batch size.
      Returns:
      batch size

    • batchSize

      public ParallelCollectionScanOperation<T> batchSize(int batchSize)
      Deprecated.
      The batch size to use for each cursor.
      Parameters:
      batchSize - the batch size, which must be greater than or equal to 0
      Returns:
      this

    • retryReads

      public ParallelCollectionScanOperation<T> retryReads(boolean retryReads)
      Deprecated.
      Enables retryable reads if a read fails due to a network error.
      Parameters:
      retryReads - true if reads should be retried
      Returns:
      this
      Since:
      3.11

    • getRetryReads

      public boolean getRetryReads()
      Deprecated.
      Gets the value for retryable reads. The default is true.
      Returns:
      the retryable reads value
      Since:
      3.11

    • execute

      public List<BatchCursor<T>> execute(ReadBinding binding)
      Deprecated.
      Description copied from interface: ReadOperation
      General execute which can return anything of type T
      Specified by:
      execute in interface ReadOperation<T>
      Parameters:
      binding - the binding to execute in the context of
      Returns:
      T, the result of the execution

    • executeAsync

      public void executeAsync(AsyncReadBinding binding, SingleResultCallback<List<AsyncBatchCursor<T>>> callback)
      Deprecated.
      Description copied from interface: AsyncReadOperation
      General execute which can return anything of type T
      Specified by:
      executeAsync in interface AsyncReadOperation<T>
      Parameters:
      binding - the binding to execute in the context of
      callback - the callback to be called when the operation has been executed