com.hazelcast.web.entryprocessor

Class GetAttributeEntryProcessor

java.lang.Object

com.hazelcast.web.entryprocessor.GetAttributeEntryProcessor

All Implemented Interfaces:

EntryProcessor<String,SessionState>, DataSerializable, IdentifiedDataSerializable, Serializable

public final class GetAttributeEntryProcessor
extends Object
implements EntryProcessor<String,SessionState>, IdentifiedDataSerializable

Entry processor which return attributes of SessionState values

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GetAttributeEntryProcessor()
GetAttributeEntryProcessor(String attributeName)

Method Summary

Methods

Modifier and Type	Method and Description
EntryBackupProcessor<String,SessionState>	getBackupProcessor() Get the entry processor to be applied to backup entries.
int	getFactoryId() Returns DataSerializableFactory factory id for this class.
int	getId() Returns type identifier for this class.
Data	process(Map.Entry<String,SessionState> entry) Process the entry without worrying about concurrency.
void	readData(ObjectDataInput in) Reads fields from the input stream
void	writeData(ObjectDataOutput out) Writes object fields to output stream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GetAttributeEntryProcessor

public GetAttributeEntryProcessor(String attributeName)

GetAttributeEntryProcessor

public GetAttributeEntryProcessor()

Method Detail

getFactoryId

public int getFactoryId()

Description copied from interface: IdentifiedDataSerializable

Returns DataSerializableFactory factory id for this class.

Specified by:

getFactoryId in interface IdentifiedDataSerializable

Returns:

factory id

getId

public int getId()

Description copied from interface: IdentifiedDataSerializable

Returns type identifier for this class. Id should be unique per DataSerializableFactory.

Specified by:

getId in interface IdentifiedDataSerializable

Returns:

type id

process

public Data process(Map.Entry<String,SessionState> entry)

Description copied from interface: EntryProcessor

Process the entry without worrying about concurrency.

Note that to modify an entry by using EntryProcessor you should explicitly call Map.Entry.setValue(V) method of Map.Entry such as:

 
 Override
        public Object process(Map.Entry entry) {
          Value value = entry.getValue();
          // process and modify value
          // ...
          entry.setValue(value);
          return result;
        }
 
 

otherwise EntryProcessor does not guarantee to modify the entry.

Specified by:

process in interface EntryProcessor<String,SessionState>

Parameters:

entry - entry to be processed

Returns:

result of the process

getBackupProcessor

public EntryBackupProcessor<String,SessionState> getBackupProcessor()

Description copied from interface: EntryProcessor

Get the entry processor to be applied to backup entries. In case of a readonly execution, null can be returned to indicate that no backups should be made.

Specified by:

getBackupProcessor in interface EntryProcessor<String,SessionState>

Returns:

the back up processor

readData

public void readData(ObjectDataInput in)
              throws IOException

Description copied from interface: DataSerializable

Reads fields from the input stream

Specified by:

readData in interface DataSerializable

Parameters:

in - input

Throws:

IOException

writeData

public void writeData(ObjectDataOutput out)
               throws IOException

Description copied from interface: DataSerializable

Writes object fields to output stream

Specified by:

writeData in interface DataSerializable

Parameters:

out - output

Throws:

IOException