org.apache.ignite.internal.direct

Class DirectMessageReader

java.lang.Object

org.apache.ignite.internal.direct.DirectMessageReader

All Implemented Interfaces:

MessageReader

public class DirectMessageReader
extends Object
implements MessageReader

Message reader implementation.

Constructor Summary

Constructors

Constructor and Description
DirectMessageReader(MessageFactory msgFactory, byte protoVer)

Method Summary

Modifier and Type	Method and Description
void	afterInnerMessageRead(boolean finished) Callback called after inner message is read.
boolean	afterMessageRead(Class<? extends Message> msgCls) Callback that must be invoked by a message implementation after message body finished decoding.
void	beforeInnerMessageRead() Callback called before inner message is read.
boolean	beforeMessageRead() Callback that must be invoked by a message implementation before message body started decoding.
void	incrementState() Increments read state.
boolean	isLastRead() Tells whether last invocation of any of readXXX(...)
AffinityTopologyVersion	readAffinityTopologyVersion(String name) Reads AffinityTopologyVersion.
BitSet	readBitSet(String name) Reads BitSet.
boolean	readBoolean(String name) Reads boolean value.
@Nullable boolean[]	readBooleanArray(String name) Reads boolean array.
byte	readByte(String name) Reads byte value.
@Nullable byte[]	readByteArray(String name) Reads byte array.
char	readChar(String name) Reads char value.
@Nullable char[]	readCharArray(String name) Reads char array.
<C extends Collection<?>> C	readCollection(String name, MessageCollectionItemType itemType) Reads collection.
double	readDouble(String name) Reads double value.
@Nullable double[]	readDoubleArray(String name) Reads double array.
float	readFloat(String name) Reads float value.
@Nullable float[]	readFloatArray(String name) Reads float array.
IgniteUuid	readIgniteUuid(String name) Reads IgniteUuid.
int	readInt(String name) Reads int value.
int	readInt(String name, int dflt) Reads int value.
@Nullable int[]	readIntArray(String name) Reads int array.
long	readLong(String name) Reads long value.
@Nullable long[]	readLongArray(String name) Reads long array.
<M extends Map<?,?>> M	readMap(String name, MessageCollectionItemType keyType, MessageCollectionItemType valType, boolean linked) Reads map.
<T extends Message> T	readMessage(String name) Reads nested message.
<T> T[]	readObjectArray(String name, MessageCollectionItemType itemType, Class<T> itemCls) Reads array of objects.
short	readShort(String name) Reads short value.
@Nullable short[]	readShortArray(String name) Reads short array.
String	readString(String name) Reads String.
UUID	readUuid(String name) Reads UUID.
void	reset() Resets this reader.
void	setBuffer(ByteBuffer buf) Sets but buffer to read from.
void	setCurrentReadClass(Class<? extends Message> msgCls) Sets type of message currently read.
int	state() Gets current read state.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectMessageReader

public DirectMessageReader(MessageFactory msgFactory,
                           byte protoVer)

Parameters:

msgFactory - Message factory.

protoVer - Protocol version.

Method Detail

setBuffer

public void setBuffer(ByteBuffer buf)

Sets but buffer to read from.

Specified by:

setBuffer in interface MessageReader

Parameters:

buf - Byte buffer.

setCurrentReadClass

public void setCurrentReadClass(Class<? extends Message> msgCls)

Sets type of message currently read.

Specified by:

setCurrentReadClass in interface MessageReader

Parameters:

msgCls - Message type.

beforeMessageRead

public boolean beforeMessageRead()

Callback that must be invoked by a message implementation before message body started decoding.

Specified by:

beforeMessageRead in interface MessageReader

Returns:

True if reading can proceed, false otherwise.

afterMessageRead

public boolean afterMessageRead(Class<? extends Message> msgCls)

Callback that must be invoked by a message implementation after message body finished decoding.

Specified by:

afterMessageRead in interface MessageReader

Parameters:

msgCls -

Returns:

True if reading can proceed, false otherwise.

readByte

public byte readByte(String name)

Reads byte value.

Specified by:

readByte in interface MessageReader

Parameters:

name - Field name.

Returns:

byte value.

readShort

public short readShort(String name)

Reads short value.

Specified by:

readShort in interface MessageReader

Parameters:

name - Field name.

Returns:

short value.

readInt

public int readInt(String name)

Reads int value.

Specified by:

readInt in interface MessageReader

Parameters:

name - Field name.

Returns:

int value.

readInt

public int readInt(String name,
                   int dflt)

Reads int value.

Specified by:

readInt in interface MessageReader

Parameters:

name - Field name.

dflt - Default value if field not found.

Returns:

int value.

readLong

public long readLong(String name)

Reads long value.

Specified by:

readLong in interface MessageReader

Parameters:

name - Field name.

Returns:

long value.

readFloat

public float readFloat(String name)

Reads float value.

Specified by:

readFloat in interface MessageReader

Parameters:

name - Field name.

Returns:

float value.

readDouble

public double readDouble(String name)

Reads double value.

Specified by:

readDouble in interface MessageReader

Parameters:

name - Field name.

Returns:

double value.

readChar

public char readChar(String name)

Reads char value.

Specified by:

readChar in interface MessageReader

Parameters:

name - Field name.

Returns:

char value.

readBoolean

public boolean readBoolean(String name)

Reads boolean value.

Specified by:

readBoolean in interface MessageReader

Parameters:

name - Field name.

Returns:

boolean value.

readByteArray

@Nullable
public @Nullable byte[] readByteArray(String name)

Reads byte array.

Specified by:

readByteArray in interface MessageReader

Parameters:

name - Field name.

Returns:

byte array.

readShortArray

@Nullable
public @Nullable short[] readShortArray(String name)

Reads short array.

Specified by:

readShortArray in interface MessageReader

Parameters:

name - Field name.

Returns:

short array.

readIntArray

@Nullable
public @Nullable int[] readIntArray(String name)

Reads int array.

Specified by:

readIntArray in interface MessageReader

Parameters:

name - Field name.

Returns:

int array.

readLongArray

@Nullable
public @Nullable long[] readLongArray(String name)

Reads long array.

Specified by:

readLongArray in interface MessageReader

Parameters:

name - Field name.

Returns:

long array.

readFloatArray

@Nullable
public @Nullable float[] readFloatArray(String name)

Reads float array.

Specified by:

readFloatArray in interface MessageReader

Parameters:

name - Field name.

Returns:

float array.

readDoubleArray

@Nullable
public @Nullable double[] readDoubleArray(String name)

Reads double array.

Specified by:

readDoubleArray in interface MessageReader

Parameters:

name - Field name.

Returns:

double array.

readCharArray

@Nullable
public @Nullable char[] readCharArray(String name)

Reads char array.

Specified by:

readCharArray in interface MessageReader

Parameters:

name - Field name.

Returns:

char array.

readBooleanArray

@Nullable
public @Nullable boolean[] readBooleanArray(String name)

Reads boolean array.

Specified by:

readBooleanArray in interface MessageReader

Parameters:

name - Field name.

Returns:

boolean array.

readString

public String readString(String name)

Reads String.

Specified by:

readString in interface MessageReader

Parameters:

name - Field name.

Returns:

String.

readBitSet

public BitSet readBitSet(String name)

Reads BitSet.

Specified by:

readBitSet in interface MessageReader

Parameters:

name - Field name.

Returns:

BitSet.

readUuid

public UUID readUuid(String name)

Reads UUID.

Specified by:

readUuid in interface MessageReader

Parameters:

name - Field name.

Returns:

UUID.

readIgniteUuid

public IgniteUuid readIgniteUuid(String name)

Reads IgniteUuid.

Specified by:

readIgniteUuid in interface MessageReader

Parameters:

name - Field name.

Returns:

IgniteUuid.

readAffinityTopologyVersion

public AffinityTopologyVersion readAffinityTopologyVersion(String name)

Reads AffinityTopologyVersion.

Specified by:

readAffinityTopologyVersion in interface MessageReader

Parameters:

name - Field name.

Returns:

AffinityTopologyVersion.

readMessage

@Nullable
public <T extends Message> T readMessage(String name)

Reads nested message.

Specified by:

readMessage in interface MessageReader

Parameters:

name - Field name.

Returns:

Message.

readObjectArray

public <T> T[] readObjectArray(String name,
                               MessageCollectionItemType itemType,
                               Class<T> itemCls)

Reads array of objects.

Specified by:

readObjectArray in interface MessageReader

Parameters:

name - Field name.

itemType - Array component type.

itemCls - Array component class.

Returns:

Array of objects.

readCollection

public <C extends Collection<?>> C readCollection(String name,
                                                  MessageCollectionItemType itemType)

Reads collection.

Specified by:

readCollection in interface MessageReader

Parameters:

name - Field name.

itemType - Collection item type.

Returns:

Collection.

readMap

public <M extends Map<?,?>> M readMap(String name,
                                      MessageCollectionItemType keyType,
                                      MessageCollectionItemType valType,
                                      boolean linked)

Reads map.

Specified by:

readMap in interface MessageReader

Parameters:

name - Field name.

keyType - Map key type.

valType - Map value type.

linked - Whether LinkedHashMap should be created.

Returns:

Map.

isLastRead

public boolean isLastRead()

Tells whether last invocation of any of readXXX(...) methods has fully written the value. False is returned if there were not enough remaining bytes in byte buffer.

Specified by:

isLastRead in interface MessageReader

Returns:

Whether las value was fully read.

state

public int state()

Gets current read state.

Specified by:

state in interface MessageReader

Returns:

Read state.

incrementState

public void incrementState()

Increments read state.

Specified by:

incrementState in interface MessageReader

beforeInnerMessageRead

public void beforeInnerMessageRead()

Callback called before inner message is read.

Specified by:

beforeInnerMessageRead in interface MessageReader

afterInnerMessageRead

public void afterInnerMessageRead(boolean finished)

Callback called after inner message is read.

Specified by:

afterInnerMessageRead in interface MessageReader

Parameters:

finished - Whether message was fully read.

reset

public void reset()

Resets this reader.

Specified by:

reset in interface MessageReader

toString

public String toString()

Overrides:

toString in class Object