org.apache.ignite.internal.portable

Class PortableObjectOffheapImpl

java.lang.Object

org.apache.ignite.internal.portable.PortableObjectEx

org.apache.ignite.internal.portable.PortableObjectOffheapImpl

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, PortableObject, CacheObject, Message

public class PortableObjectOffheapImpl
extends PortableObjectEx
implements Externalizable, CacheObject

Portable object implementation over offheap memory

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.ignite.internal.processors.cache.CacheObject

TYPE_BYTE_ARR, TYPE_REGULAR

Constructor Summary

Constructors

Constructor and Description
PortableObjectOffheapImpl() For Externalizable (not supported).
PortableObjectOffheapImpl(PortableContext ctx, long ptr, int start, int size)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	array()
PortableObject	clone() Copies this portable object.
<T> T	deserialize() Gets fully deserialized instance of portable object.
byte	directType() Gets message type.
protected <F> F	field(org.apache.ignite.internal.portable.PortableReaderContext rCtx, String fieldName)
<F> F	field(String fieldName) Gets field value.
byte	fieldsCount() Gets fields count.
void	finishUnmarshal(CacheObjectContext ctx, ClassLoader ldr)
protected boolean	hasArray()
boolean	hasField(String fieldName) Checks whether field is set.
int	hashCode()
PortableObject	heapCopy()
int	length()
PortableMetadata	metaData() Gets meta data for this portable object.
long	offheapAddress()
CacheObject	prepareForCache(CacheObjectContext ctx) Prepares cache object for cache (e.g. copies user-provided object if needed).
void	prepareMarshal(CacheObjectContext ctx)
void	readExternal(ObjectInput in)
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
int	start()
byte	type()
int	typeId() Gets portable object type ID.
<T> T	value(CacheObjectContext ctx, boolean cpy)
byte[]	valueBytes(CacheObjectContext ctx)
void	writeExternal(ObjectOutput out)
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

Methods inherited from class org.apache.ignite.internal.portable.PortableObjectEx

equals, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

PortableObjectOffheapImpl

public PortableObjectOffheapImpl()

For Externalizable (not supported).

PortableObjectOffheapImpl

public PortableObjectOffheapImpl(PortableContext ctx,
                         long ptr,
                         int start,
                         int size)

Parameters:

ctx - Context.

ptr - Memory address.

start - Object start.

size - Memory size.

Method Detail

heapCopy

public PortableObject heapCopy()

Returns:

Heap-based copy.

typeId

public int typeId()

Gets portable object type ID.

Specified by:

typeId in interface PortableObject

Returns:

Type ID.

length

public int length()

Specified by:

length in class PortableObjectEx

Returns:

Length.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

start

public int start()

Specified by:

start in class PortableObjectEx

Returns:

Object start.

array

public byte[] array()

Specified by:

array in class PortableObjectEx

Returns:

Object array if object is array based, otherwise null.

offheapAddress

public long offheapAddress()

Specified by:

offheapAddress in class PortableObjectEx

Returns:

Object offheap address is object is offheap based, otherwise 0.

hasArray

protected boolean hasArray()

Specified by:

hasArray in class PortableObjectEx

Returns:

True if object is array based.

metaData

@Nullable
public PortableMetadata metaData()
                          throws PortableException

Gets meta data for this portable object.

Specified by:

metaData in interface PortableObject

Returns:

Meta data.

Throws:

PortableException - In case of error.

field

@Nullable
public <F> F field(String fieldName)
        throws PortableException

Gets field value.

Specified by:

field in interface PortableObject

Parameters:

fieldName - Field name.

Returns:

Field value.

Throws:

PortableException - In case of any other error.

field

@Nullable
protected <F> F field(org.apache.ignite.internal.portable.PortableReaderContext rCtx,
                   String fieldName)

Specified by:

field in class PortableObjectEx

Parameters:

rCtx - Reader context.

fieldName - Field name.

Returns:

Field name.

hasField

public boolean hasField(String fieldName)

Checks whether field is set.

Specified by:

hasField in interface PortableObject

Parameters:

fieldName - Field name.

Returns:

true if field is set.

deserialize

@Nullable
public <T> T deserialize()
              throws PortableException

Gets fully deserialized instance of portable object.

Specified by:

deserialize in interface PortableObject

Returns:

Fully deserialized instance of portable object.

Throws:

PortableInvalidClassException - If class doesn't exist.

PortableException - In case of any other error.

clone

public PortableObject clone()
                     throws CloneNotSupportedException

Copies this portable object.

Specified by:

clone in interface PortableObject

Overrides:

clone in class PortableObjectEx

Returns:

Copy of this portable object.

Throws:

CloneNotSupportedException

type

public byte type()

Specified by:

type in interface CacheObject

Returns:

Object type.

value

@Nullable
public <T> T value(CacheObjectContext ctx,
                   boolean cpy)

Specified by:

value in interface CacheObject

Parameters:

ctx - Context.

cpy - If true need to copy value.

Returns:

Value.

valueBytes

public byte[] valueBytes(CacheObjectContext ctx)
                  throws IgniteCheckedException

Specified by:

valueBytes in interface CacheObject

Parameters:

ctx - Context.

Returns:

Value bytes.

Throws:

IgniteCheckedException - If failed.

prepareForCache

public CacheObject prepareForCache(CacheObjectContext ctx)

Prepares cache object for cache (e.g. copies user-provided object if needed).

Specified by:

prepareForCache in interface CacheObject

Parameters:

ctx - Cache context.

Returns:

Instance to store in cache.

finishUnmarshal

public void finishUnmarshal(CacheObjectContext ctx,
                   ClassLoader ldr)
                     throws IgniteCheckedException

Specified by:

finishUnmarshal in interface CacheObject

Parameters:

ctx - Context.

ldr - Class loader.

Throws:

IgniteCheckedException - If failed.

prepareMarshal

public void prepareMarshal(CacheObjectContext ctx)
                    throws IgniteCheckedException

Specified by:

prepareMarshal in interface CacheObject

Parameters:

ctx - Context.

Throws:

IgniteCheckedException - If failed.

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.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException