be.SIRAPRISE.messages

Class ExecuteAssignmentMessageTypeV1_0

java.lang.Object

be.SIRAPRISE.messages.ServerMessageType

be.SIRAPRISE.messages.ServerInputMessageType

be.SIRAPRISE.messages.ExecuteAssignmentMessageType

be.SIRAPRISE.messages.ExecuteAssignmentMessageTypeV1_0

All Implemented Interfaces:

ExecuteDMLMessageTypesV14

public final class ExecuteAssignmentMessageTypeV1_0
extends ExecuteAssignmentMessageType

ExecuteAssignmentMessageTypeV1_0 is V1_0 of the ExecuteAssignmentMessageType. It implements the new 1.4 way of sending bit-encoded commands to the server, rather than strings.

This message type has the following fields :

Field detail

Zone	Format	Length	Description
COUNT	INT	4	The number of 'individual assignments' being carried out.
ASSIGNMENTS	ASSIGNMENT		The encoded form of the 'individual assignments' being carried out. Appears as many times as indicated by COUNT.

The layout for ASSIGNMENT is as follows :

Field detail

Zone	Format	Length	Description
TYPE	INT	1	The type of 'individual assignments' being carried out. Following values are possible: 1 : ADD 2 : DELETE 3 : UPDATE 5 : ASSERT 6 : UNASSERT
RELVAR	STRING		The name of the database relvar that is the target of the 'individual assignment'.
RELATION	LSTRING		The formula, in textual form, defining the relation value that will be inserted (ADD/ASSERT) or deleted (DELETE/UNASSERT/UPDATE) from the target relvar.
UPDATES	LSTRING		Only present for the UPDATE assignment type. The formulae, in syntactical form as specified by the grammar, defining the computation of the replacing tuples.

Since:

SIRA_PRISE 1.4

Author:

Erwin Smout

Field Summary

Fields inherited from class be.SIRAPRISE.messages.ExecuteAssignmentMessageType

ASSIGNMENTTYPE_ADD, ASSIGNMENTTYPE_ASSERT, ASSIGNMENTTYPE_DELETE, ASSIGNMENTTYPE_UNASSERT, ASSIGNMENTTYPE_UPDATE, MESSAGETYPEID

Method Summary

Modifier and Type	Method and Description
be.SIRAPRISE.messages.ExecuteAssignmentMessageV1_0	message(ServerCommandDataWrapper[] cmdData) Factory method for producing a message of this type holding the given Query command

Methods inherited from class java.lang.Object

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

Method Detail

message

public be.SIRAPRISE.messages.ExecuteAssignmentMessageV1_0 message(ServerCommandDataWrapper[] cmdData)

Description copied from class: ExecuteAssignmentMessageType

Factory method for producing a message of this type holding the given Query command

Specified by:

message in class ExecuteAssignmentMessageType

Parameters:

cmdData - The data of the individual assignments. Each cmdData element represents an individual assignment, the entirety represents a multiple assignment.

Returns:

ExecuteQueryMessage