org.bitcoinj.core

Class EmptyMessage

java.lang.Object

org.bitcoinj.core.Message

org.bitcoinj.core.EmptyMessage

Direct Known Subclasses:

GetAddrMessage, SendHeadersMessage, UnknownMessage, VersionAck

public abstract class EmptyMessage
extends Message

Parent class for header only messages that don't have a payload. Currently this includes getaddr, verack and special bitcoinj class UnknownMessage.

Instances of this class are not safe for use by multiple threads.

Field Summary

Fields inherited from class org.bitcoinj.core.Message

cursor, length, MAX_SIZE, offset, params, payload, protocolVersion, recached, serializer, UNKNOWN_LENGTH

Constructor Summary

Constructors

Constructor and Description
EmptyMessage()
EmptyMessage(NetworkParameters params)
EmptyMessage(NetworkParameters params, byte[] payload, int offset)

Method Summary

Modifier and Type	Method and Description
byte[]	bitcoinSerialize() Returns a copy of the array returned by Message.unsafeBitcoinSerialize(), which is safe to mutate.
protected void	bitcoinSerializeToStream(java.io.OutputStream stream) Serializes this message to the provided stream.
protected void	parse()

Methods inherited from class org.bitcoinj.core.Message

adjustLength, bitcoinSerialize, getHash, getMessageSize, getParams, hasMoreBytes, isCached, isRecached, readByteArray, readBytes, readHash, readInt64, readStr, readUint32, readUint64, readVarInt, readVarInt, unCache, unsafeBitcoinSerialize

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyMessage

public EmptyMessage()

EmptyMessage

public EmptyMessage(NetworkParameters params)

EmptyMessage

public EmptyMessage(NetworkParameters params,
                    byte[] payload,
                    int offset)
             throws ProtocolException

Throws:

ProtocolException

Method Detail

bitcoinSerializeToStream

protected final void bitcoinSerializeToStream(java.io.OutputStream stream)
                                       throws java.io.IOException

Description copied from class: Message

Serializes this message to the provided stream. If you just want the raw bytes use bitcoinSerialize().

Overrides:

bitcoinSerializeToStream in class Message

Throws:

java.io.IOException

parse

protected void parse()
              throws ProtocolException

Specified by:

parse in class Message

Throws:

ProtocolException

bitcoinSerialize

public byte[] bitcoinSerialize()

Description copied from class: Message

Returns a copy of the array returned by Message.unsafeBitcoinSerialize(), which is safe to mutate. If you need extra performance and can guarantee you won't write to the array, you can use the unsafe version.

Overrides:

bitcoinSerialize in class Message

Returns:

a freshly allocated serialized byte array