public class SerialOutput extends ObjectOutputStream
ObjectOutputStreamthat stores class description information in a
ClassCatalog. It is used by
This class is used instead of an
ObjectOutputStream, which it
extends, to write a compact object stream. For writing objects to a
database normally one of the serial binding classes is used.
SerialOutput is used when an
ObjectOutputStream is needed along
with compact storage. A
ClassCatalog must be supplied, however, to
stored shared class descriptions.
ClassCatalog is used to store class definitions rather than
embedding these into the stream. Instead, a class format identifier is
embedded into the stream. This identifier is then used by
SerialInput to load the class format to deserialize the object.
baseWireHandle, PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, SC_BLOCK_DATA, SC_ENUM, SC_EXTERNALIZABLE, SC_SERIALIZABLE, SC_WRITE_METHOD, STREAM_MAGIC, STREAM_VERSION, SUBCLASS_IMPLEMENTATION_PERMISSION, SUBSTITUTION_PERMISSION, TC_ARRAY, TC_BASE, TC_BLOCKDATA, TC_BLOCKDATALONG, TC_CLASS, TC_CLASSDESC, TC_ENDBLOCKDATA, TC_ENUM, TC_EXCEPTION, TC_LONGSTRING, TC_MAX, TC_NULL, TC_OBJECT, TC_PROXYCLASSDESC, TC_REFERENCE, TC_RESET, TC_STRING
|Constructor and Description|
Creates a serial output stream.
|Modifier and Type||Method and Description|
Returns the fixed stream header used for all serialized streams in PROTOCOL_VERSION_2 format.
annotateClass, annotateProxyClass, close, defaultWriteObject, drain, enableReplaceObject, flush, putFields, replaceObject, reset, useProtocolVersion, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFields, writeFloat, writeInt, writeLong, writeObject, writeObjectOverride, writeShort, writeStreamHeader, writeUnshared, writeUTF
public SerialOutput(OutputStream out, ClassCatalog classCatalog) throws IOException
out- is the output stream to which the compact serialized objects will be written.
classCatalog- is the catalog to which the class descriptions for the serialized objects will be written.
IOException- if an I/O error occurs while writing stream header.
protected void writeClassDescriptor(ObjectStreamClass classdesc) throws IOException
public static byte getStreamHeader()
SerialOutputalways uses PROTOCOL_VERSION_2 serialization format to guarantee that this header is fixed.
SerialBindingremoves this header from serialized streams automatically.
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