org.apache.ignite.internal.portable

Class BinaryObjectOffheapImpl

java.lang.Object

org.apache.ignite.internal.portable.BinaryObjectExImpl

org.apache.ignite.internal.portable.BinaryObjectOffheapImpl

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, BinaryObject, BinaryObjectEx, CacheObject, Message

public class BinaryObjectOffheapImpl
extends BinaryObjectExImpl
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_BINARY, TYPE_BYTE_ARR, TYPE_REGULAR

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	array()
byte	cacheObjectType()
BinaryObject	clone() Copies this binary object.
protected PortableSchema	createSchema() Create schema for object.
<T> T	deserialize() Gets fully deserialized instance of binary object.
byte	directType() Gets message type.
protected <F> F	field(BinaryReaderHandles rCtx, String fieldName)
<F> F	field(int fieldId) Gets field value.
<F> F	field(String fieldName) Gets field value.
protected <F> F	fieldByOrder(int order) Get field by offset.
byte	fieldsCount() Gets fields count.
void	finishUnmarshal(CacheObjectContext ctx, ClassLoader ldr)
protected boolean	hasArray()
boolean	hasField(String fieldName) Checks whether field exists in the object.
int	hashCode()
BinaryObject	heapCopy()
boolean	isPlatformType() Gets flag indicating whether object value is a platform type.
int	length()
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.
protected int	schemaId() Get schema ID.
int	start()
BinaryType	type() Gets type information for this binary object.
int	typeId()
<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.BinaryObjectExImpl

enumOrdinal, equals, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryObjectOffheapImpl

public BinaryObjectOffheapImpl()

For Externalizable (not supported).

BinaryObjectOffheapImpl

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

Parameters:

ctx - Context.

ptr - Memory address.

start - Object start.

size - Memory size.

Method Detail

heapCopy

public BinaryObject heapCopy()

Returns:

Heap-based copy.

typeId

public int typeId()

Specified by:

typeId in interface BinaryObjectEx

Returns:

Type ID.

length

public int length()

Specified by:

length in class BinaryObjectExImpl

Returns:

Length.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

schemaId

protected int schemaId()

Get schema ID.

Specified by:

schemaId in class BinaryObjectExImpl

Returns:

Schema ID.

createSchema

protected PortableSchema createSchema()

Create schema for object.

Specified by:

createSchema in class BinaryObjectExImpl

Returns:

Schema.

start

public int start()

Specified by:

start in class BinaryObjectExImpl

Returns:

Object start.

array

public byte[] array()

Specified by:

array in class BinaryObjectExImpl

Returns:

Object array if object is array based, otherwise null.

offheapAddress

public long offheapAddress()

Specified by:

offheapAddress in class BinaryObjectExImpl

Returns:

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

hasArray

protected boolean hasArray()

Specified by:

hasArray in class BinaryObjectExImpl

Returns:

True if object is array based.

type

@Nullable
public BinaryType type()
                throws BinaryObjectException

Gets type information for this binary object.

Specified by:

type in interface BinaryObject

Returns:

Binary object type information.

Throws:

BinaryObjectException - In case of error.

field

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

Gets field value.

Specified by:

field in interface BinaryObject

Parameters:

fieldName - Field name.

Returns:

Field value.

Throws:

BinaryObjectException - In case of any other error.

field

@Nullable
public <F> F field(int fieldId)
        throws BinaryObjectException

Gets field value.

Specified by:

field in class BinaryObjectExImpl

Parameters:

fieldId - Field ID.

Returns:

Field value.

Throws:

BinaryObjectException - In case of any other error.

fieldByOrder

@Nullable
protected <F> F fieldByOrder(int order)

Get field by offset.

Specified by:

fieldByOrder in class BinaryObjectExImpl

Parameters:

order - Field offset.

Returns:

Field value.

field

@Nullable
protected <F> F field(BinaryReaderHandles rCtx,
                   String fieldName)

Specified by:

field in class BinaryObjectExImpl

Parameters:

rCtx - Reader context.

fieldName - Field name.

Returns:

Field value.

hasField

public boolean hasField(String fieldName)

Checks whether field exists in the object.

Specified by:

hasField in interface BinaryObject

Parameters:

fieldName - Field name.

Returns:

True if field exists.

deserialize

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

Gets fully deserialized instance of binary object.

Specified by:

deserialize in interface BinaryObject

Returns:

Fully deserialized instance of binary object.

Throws:

BinaryInvalidTypeException - If class doesn't exist.

BinaryObjectException - In case of any other error.

clone

public BinaryObject clone()
                   throws CloneNotSupportedException

Copies this binary object.

Specified by:

clone in interface BinaryObject

Overrides:

clone in class BinaryObjectExImpl

Returns:

Copy of this binary object.

Throws:

CloneNotSupportedException

cacheObjectType

public byte cacheObjectType()

Specified by:

cacheObjectType in interface CacheObject

Returns:

Object type.

isPlatformType

public boolean isPlatformType()

Gets flag indicating whether object value is a platform type. Platform types will be automatically deserialized on public API cache operations regardless whether IgniteCache.withKeepBinary() is used or not.

Specified by:

isPlatformType in interface CacheObject

Returns:

Platform type flag.

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