de.zib.scalaris.operations
Class PartialReadOp

java.lang.Object
  de.zib.scalaris.operations.PartialReadOp

All Implemented Interfaces:

Operation, TransactionOperation, TransactionSingleOpOperation

Direct Known Subclasses:

ReadRandomFromListOp, ReadSublistOp

public abstract class PartialReadOp
extends Object
implements TransactionOperation, TransactionSingleOpOperation

Operation reading a partial value.

Since:

3.18

Version:

3.18

Author:

Nico Kruber, kruber@zib.de

Constructor Summary

PartialReadOp(OtpErlangString key)
Constructor

PartialReadOp(String key)
Constructor

Method Summary

OtpErlangString	getKey() Gets the key the operation is working on (if available)
OtpErlangObject	getResult() Gets the (raw Erlang) result set via Operation.setResult(OtpErlangObject, boolean).
boolean	getResultCompressed() Determines if the result set via Operation.setResult(OtpErlangObject, boolean) is compressed or not.
void	setResult(OtpErlangObject resultRaw, boolean compressed) Sets the raw erlang result value.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.zib.scalaris.operations.TransactionSingleOpOperation

processResultSingle

Methods inherited from interface de.zib.scalaris.operations.Operation

getErlang, processResult

Constructor Detail

PartialReadOp

public PartialReadOp(OtpErlangString key)

Constructor

Parameters:

key - the key to read

PartialReadOp

public PartialReadOp(String key)

Constructor

Parameters:

key - the key to read

Method Detail

getKey

public OtpErlangString getKey()

Description copied from interface: Operation

Gets the key the operation is working on (if available)

Specified by:

getKey in interface Operation

Returns:

the key or null

setResult

public void setResult(OtpErlangObject resultRaw,
                      boolean compressed)

Description copied from interface: Operation

Sets the raw erlang result value. It can be processed using Operation.processResult().

Specified by:

setResult in interface Operation

Parameters:

resultRaw - the result

compressed - whether the value inside the result is compressed or not

getResult

public OtpErlangObject getResult()

Description copied from interface: Operation

Gets the (raw Erlang) result set via Operation.setResult(OtpErlangObject, boolean).

Specified by:

getResult in interface Operation

Returns:

the result object or null if not set

getResultCompressed

public boolean getResultCompressed()

Description copied from interface: Operation

Determines if the result set via Operation.setResult(OtpErlangObject, boolean) is compressed or not.

Specified by:

getResultCompressed in interface Operation

Returns:

true if compressed, false otherwise, undefined if no result was set