org.apache.ignite.internal.processors.cache.transactions

Class TxEntryValueHolder

java.lang.Object

org.apache.ignite.internal.processors.cache.transactions.TxEntryValueHolder

All Implemented Interfaces:

Serializable, Message

public class TxEntryValueHolder
extends Object
implements Message

Auxiliary class to hold value, value-has-been-set flag, value update operation, value bytes.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TxEntryValueHolder()

Method Summary

Methods

Modifier and Type	Method and Description
byte	directType() Gets message type.
byte	fieldsCount() Gets fields count.
boolean	hasReadValue()
boolean	hasValue()
boolean	hasWriteValue()
void	marshal(GridCacheSharedContext<?,?> sharedCtx, GridCacheContext<?,?> ctx)
GridCacheOperation	op() Gets cache operation.
void	op(GridCacheOperation op) Sets cache operation.
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
String	toString()
void	unmarshal(GridCacheContext<?,?> ctx, ClassLoader ldr)
CacheObject	value() Gets stored value.
void	value(CacheObject val)
void	value(GridCacheOperation op, CacheObject val, boolean hasWriteVal, boolean hasReadVal)
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

TxEntryValueHolder

public TxEntryValueHolder()

Method Detail

value

public void value(GridCacheOperation op,
         CacheObject val,
         boolean hasWriteVal,
         boolean hasReadVal)

Parameters:

op - Cache operation.

val - Value.

hasWriteVal - Write value presence flag.

hasReadVal - Read value presence flag.

hasValue

public boolean hasValue()

Returns:

True if has read or write value.

value

public CacheObject value()

Gets stored value.

Returns:

Value.

value

public void value(@Nullable
         CacheObject val)

Parameters:

val - Stored value.

op

public GridCacheOperation op()

Gets cache operation.

Returns:

Cache operation.

op

public void op(GridCacheOperation op)

Sets cache operation.

Parameters:

op - Cache operation.

hasWriteValue

public boolean hasWriteValue()

Returns:

True if write value was set.

hasReadValue

public boolean hasReadValue()

Returns:

True if read value was set.

marshal

public void marshal(GridCacheSharedContext<?,?> sharedCtx,
           GridCacheContext<?,?> ctx)
             throws IgniteCheckedException

Parameters:

sharedCtx - Shared cache context.

ctx - Cache context.

Throws:

IgniteCheckedException - If marshaling failed.

unmarshal

public void unmarshal(GridCacheContext<?,?> ctx,
             ClassLoader ldr)
               throws IgniteCheckedException

Parameters:

ctx - Cache context.

ldr - Class loader.

Throws:

IgniteCheckedException - If unmarshalling failed.

toString

public String toString()

Overrides:

toString in class Object

writeTo

public boolean writeTo(ByteBuffer buf,
              MessageWriter writer)

Writes this message to provided byte buffer.

Specified by:

writeTo in interface Message

Parameters:

buf - Byte buffer.

writer - Writer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf,
               MessageReader reader)

Reads this message from provided byte buffer.

Specified by:

readFrom in interface Message

Parameters:

buf - Byte buffer.

reader - Reader.

Returns:

Whether message was fully read.

directType

public byte directType()

Gets message type.

Specified by:

directType in interface Message

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Returns:

Fields count.