Class NullImplementation.NullEntryProcessor

java.lang.Object
com.tangosol.util.Base
com.tangosol.util.processor.AbstractProcessor
com.tangosol.util.NullImplementation.NullEntryProcessor
All Implemented Interfaces:
ExternalizableLite, PortableObject, InvocableMap.EntryProcessor, Serializable
Enclosing class:
NullImplementation

public static class NullImplementation.NullEntryProcessor extends AbstractProcessor implements ExternalizableLite, PortableObject
An implementation of an EntryProcessor that does nothing and returns Boolean.TRUE as a result of execution.
Author:
cp 2000.08.02
See Also:
  • Field Details

  • Constructor Details

    • NullEntryProcessor

      public NullEntryProcessor()
  • Method Details

    • process

      public Object process(InvocableMap.Entry entry)
      Process a Map.Entry object.

      Note: if this method throws an exception, all modifications to the supplied entry or any other entries retrieved via the BackingMapContext.getBackingMapEntry(Object) API will be rolled back leaving all underlying values unchanged.

      Specified by:
      process in interface InvocableMap.EntryProcessor
      Parameters:
      entry - the Entry to process
      Returns:
      the result of the processing, if any
    • readExternal

      public void readExternal(DataInput in) throws IOException
      Restore the contents of this object by loading the object's state from the passed DataInput object.
      Specified by:
      readExternal in interface ExternalizableLite
      Parameters:
      in - the DataInput stream to read data from in order to restore the state of this object
      Throws:
      IOException - if an I/O exception occurs
    • writeExternal

      public void writeExternal(DataOutput out) throws IOException
      Save the contents of this object by storing the object's state into the passed DataOutput object.
      Specified by:
      writeExternal in interface ExternalizableLite
      Parameters:
      out - the DataOutput stream to write the state of this object to
      Throws:
      IOException - if an I/O exception occurs
    • readExternal

      public void readExternal(PofReader in) throws IOException
      Restore the contents of a user type instance by reading its state using the specified PofReader object.
      Specified by:
      readExternal in interface PortableObject
      Parameters:
      in - the PofReader from which to read the object's state
      Throws:
      IOException - if an I/O error occurs
    • writeExternal

      public void writeExternal(PofWriter out) throws IOException
      Save the contents of a POF user type instance by writing its state using the specified PofWriter object.
      Specified by:
      writeExternal in interface PortableObject
      Parameters:
      out - the PofWriter to which to write the object's state
      Throws:
      IOException - if an I/O error occurs