public class UpdateEntryProcessor extends AbstractRegionCacheEntryProcessor
EntryProcessor
which attempts
to update a region cache entryConstructor and Description |
---|
UpdateEntryProcessor() |
UpdateEntryProcessor(ExpiryMarker lock,
Object newValue,
Object newVersion,
String nextMarkerId,
long timestamp) |
Modifier and Type | Method and Description |
---|---|
int |
getId()
Returns type identifier for this class.
|
Boolean |
process(Map.Entry<Object,Expirable> 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
|
getBackupProcessor, getFactoryId, processBackup
public UpdateEntryProcessor()
public UpdateEntryProcessor(ExpiryMarker lock, Object newValue, Object newVersion, String nextMarkerId, long timestamp)
public Boolean process(Map.Entry<Object,Expirable> entry)
EntryProcessor
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.entry
- entry to be processedpublic void writeData(ObjectDataOutput out) throws IOException
DataSerializable
out
- outputIOException
public void readData(ObjectDataInput in) throws IOException
DataSerializable
in
- inputIOException
public int getId()
IdentifiedDataSerializable
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