Class OperationImpl

java.lang.Object

net.spy.memcached.compat.SpyObject

net.spy.memcached.protocol.BaseOperationImpl

net.spy.memcached.protocol.ascii.OperationImpl

All Implemented Interfaces:

Operation

Direct Known Subclasses:

BaseGetOpImpl, BaseStoreOperationImpl, CASOperationImpl, DeleteOperationImpl, FlushOperationImpl, MutatorOperationImpl, StatsOperationImpl, TouchOperationImpl, UnlockOperationImpl, VersionOperationImpl

abstract class OperationImpl
extends BaseOperationImpl
implements Operation

Operations on a memcached connection.

Field Summary

Fields

Modifier and Type	Field	Description
private final ByteArrayOutputStream	byteBuffer
private static final String	CHARSET
protected static final byte[]	CRLF
private byte[]	errorMsg
private boolean	foundCr
private OperationReadType	readType

Fields inherited from class BaseOperationImpl

callback, CANCELLED, notMyVbucketNodes, TIMED_OUT

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	OperationImpl()
protected	OperationImpl(OperationCallback cb)

Method Summary

Modifier and Type	Method	Description
(package private) OperationErrorType	classifyError(String line)
byte[]	getErrorMsg()	Returns the raw bytes of the error message content.
protected final OperationReadType	getReadType()
abstract void	handleLine(String line)
protected final OperationStatus	matchStatus(String line, OperationStatus... statii)	Match the status line provided against one of the given OperationStatus objects.
void	readFromBuffer(ByteBuffer data)	Read data from the given byte buffer and dispatch to the appropriate read mechanism.
protected final void	setArguments(ByteBuffer bb, Object... args)	Set some arguments for an operation into the given byte buffer.
protected final void	setReadType(OperationReadType to)	Set the read type of this operation.

Methods inherited from class BaseOperationImpl

addClone, cancel, getBuffer, getCallback, getCloneCount, getException, getHandlingNode, getState, getWriteCompleteTimestamp, handleError, handleRead, hasErrored, initialize, isCancelled, isTimedOut, isTimedOut, isTimedOutUnsent, setBuffer, setCallback, setCloneCount, setHandlingNode, timeOut, transitionState, wasCancelled, writeComplete, writing

Methods inherited from class SpyObject

getLogger

Methods inherited from class Object

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

Methods inherited from interface Operation

addClone, cancel, getBuffer, getCallback, getCloneCount, getException, getHandlingNode, getState, getWriteCompleteTimestamp, handleRead, hasErrored, initialize, isCancelled, isTimedOut, isTimedOut, isTimedOutUnsent, setCloneCount, setHandlingNode, timeOut, writeComplete, writing

Field Details

CRLF

protected static final byte[] CRLF

CHARSET

private static final String CHARSET

See Also:

• Constant Field Values

byteBuffer

private final ByteArrayOutputStream byteBuffer

readType

private OperationReadType readType

foundCr

private boolean foundCr

errorMsg

private byte[] errorMsg

Constructor Details

OperationImpl

protected OperationImpl()

OperationImpl

protected OperationImpl(OperationCallback cb)

Method Details

matchStatus

protected final OperationStatus matchStatus(String line,
 OperationStatus... statii)

Match the status line provided against one of the given OperationStatus objects. If none match, return a failure status with the given line.

Parameters:

line - the current line

statii - several status objects

Returns:

the appropriate status object

getReadType

protected final OperationReadType getReadType()

setReadType

protected final void setReadType(OperationReadType to)

Set the read type of this operation.

setArguments

protected final void setArguments(ByteBuffer bb,
 Object... args)

Set some arguments for an operation into the given byte buffer.

classifyError

OperationErrorType classifyError(String line)

readFromBuffer

public void readFromBuffer(ByteBuffer data)
                    throws IOException

Description copied from interface: Operation

Read data from the given byte buffer and dispatch to the appropriate read mechanism.

Specified by:

readFromBuffer in interface Operation

Specified by:

readFromBuffer in class BaseOperationImpl

Throws:

IOException

handleLine

public abstract void handleLine(String line)

getErrorMsg

public byte[] getErrorMsg()

Description copied from interface: Operation

Returns the raw bytes of the error message content.

Specified by:

getErrorMsg in interface Operation

Returns:

the raw error message content.