net.cnri.apps.doserver.txnlog

Class Transaction

java.lang.Object

net.cnri.apps.doserver.txnlog.Transaction

public class Transaction
extends java.lang.Object

Class that holds the information known about a single transaction on a handle server. This is generally never used on the client side.

Field Summary

Fields

Modifier and Type	Field and Description
byte	action
static byte	ACTION_COMMENT
static byte	ACTION_LOGGED_ACTION
static byte	ACTION_OBJ_ADD
static byte	ACTION_OBJ_ATTRIBUTE_DELETE
static byte	ACTION_OBJ_ATTRIBUTE_UPDATE
static byte	ACTION_OBJ_DATA_DELETE
static byte	ACTION_OBJ_DATA_UPDATE
static byte	ACTION_OBJ_DEL
long	actualTime
HeaderSet	attributes
java.lang.String	dataElement
HeaderSet	metadata
java.lang.String	objectID
long	timestamp
static java.lang.String	TK_ACTION
static java.lang.String	TK_ACTUALTIME
static java.lang.String	TK_ATTRIBUTES
static java.lang.String	TK_DATAELEMENT
static java.lang.String	TK_METADATA
static java.lang.String	TK_OBJECTID
static java.lang.String	TK_TIMESTAMP

Constructor Summary

Constructors

Constructor and Description
Transaction(byte action, java.lang.String objectID, long timestamp)
Transaction(byte action, java.lang.String objectID, long timestamp, java.lang.String dataElement)
Transaction(HeaderSet txnInfo)

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	actionToString(byte action)
static void	encodeTxn(Transaction txn, java.io.OutputStream out) Encode the given transaction and write it to the given OutputStream.
static Transaction	readTxn(java.io.InputStream in) Read a transaction from the given input stream
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ACTION_OBJ_ADD

public static final byte ACTION_OBJ_ADD

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Constant Field Values

ACTION_OBJ_DEL

public static final byte ACTION_OBJ_DEL

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Constant Field Values

ACTION_OBJ_DATA_UPDATE

public static final byte ACTION_OBJ_DATA_UPDATE

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Constant Field Values

ACTION_OBJ_DATA_DELETE

public static final byte ACTION_OBJ_DATA_DELETE

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Constant Field Values

ACTION_COMMENT

public static final byte ACTION_COMMENT

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Constant Field Values

ACTION_OBJ_ATTRIBUTE_UPDATE

public static final byte ACTION_OBJ_ATTRIBUTE_UPDATE

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Constant Field Values

ACTION_OBJ_ATTRIBUTE_DELETE

public static final byte ACTION_OBJ_ATTRIBUTE_DELETE

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Constant Field Values

ACTION_LOGGED_ACTION

public static final byte ACTION_LOGGED_ACTION

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Constant Field Values

TK_ACTION

public static final java.lang.String TK_ACTION

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Constant Field Values

TK_OBJECTID

public static final java.lang.String TK_OBJECTID

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Constant Field Values

TK_TIMESTAMP

public static final java.lang.String TK_TIMESTAMP

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Constant Field Values

TK_DATAELEMENT

public static final java.lang.String TK_DATAELEMENT

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Constant Field Values

TK_ACTUALTIME

public static final java.lang.String TK_ACTUALTIME

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Constant Field Values

TK_ATTRIBUTES

public static final java.lang.String TK_ATTRIBUTES

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Constant Field Values

TK_METADATA

public static final java.lang.String TK_METADATA

See Also:

Constant Field Values

action

public byte action

timestamp

public long timestamp

objectID

public java.lang.String objectID

dataElement

public java.lang.String dataElement

attributes

public HeaderSet attributes

actualTime

public long actualTime

metadata

public HeaderSet metadata

Constructor Detail

Transaction

public Transaction(HeaderSet txnInfo)

Transaction

public Transaction(byte action,
           java.lang.String objectID,
           long timestamp)

Transaction

public Transaction(byte action,
           java.lang.String objectID,
           long timestamp,
           java.lang.String dataElement)

Method Detail

readTxn

public static final Transaction readTxn(java.io.InputStream in)
                                 throws java.lang.Exception

Read a transaction from the given input stream

Throws:

java.lang.Exception

encodeTxn

public static final void encodeTxn(Transaction txn,
             java.io.OutputStream out)
                            throws java.io.IOException

Encode the given transaction and write it to the given OutputStream. This does not perform any synchronization, so synchronization should be handled outside of any calls to this method.

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

actionToString

public static final java.lang.String actionToString(byte action)