Class TouchProcessor<K,V,R>

java.lang.Object
com.tangosol.util.processor.TouchProcessor<K,V,R>
All Implemented Interfaces:
ExternalizableLite, PortableObject, InvocableMap.EntryProcessor<K,V,R>, Serializable
public class TouchProcessor<K,V,R> extends Object implements InvocableMap.EntryProcessor<K,V,R>, ExternalizableLite, PortableObject
Touches an entry (if present) in order to trigger interceptor re-evaluation and possibly increment expiry time.
Since:
12.2.1
Author:
as 2015.01.16
See Also:

  • Constructor Details

    • TouchProcessor

      public TouchProcessor()

  • Method Details

    • process

      public R process(InvocableMap.Entry<K,V> entry)
      Description copied from interface: InvocableMap.EntryProcessor
      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<K,V,R>
      Parameters:
      entry - the Entry to process
      Returns:
      the result of the processing, if any

    • readExternal

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

    • writeExternal

      public void writeExternal(PofWriter pofWriter) throws IOException
      Description copied from interface: PortableObject
      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:
      pofWriter - the PofWriter to which to write the object's state
      Throws:
      IOException - if an I/O error occurs