be.SIRAPRISE.client
Class DmlUnassertCommand

java.lang.Object
  be.SIRAPRISE.client.DmlCommand
      be.SIRAPRISE.client.DmlAssignmentCommand
          be.SIRAPRISE.client.DmlSingleAssignmentCommand
              be.SIRAPRISE.client.DmlUnassertCommand

public final class DmlUnassertCommand
extends DmlSingleAssignmentCommand

A DmlUnassertCommand is the command that will make sure that a tuple will not exist in the named relvar (in the target database to which this command will be sent) for the object passed to the constructor. The command will not fail if that tuple is not present in that relvar.

Author:

Erwin Smout

Field Summary

static byte

ASSIGNMENTTYPE The byte code identifying the 'ASSERT' assignment type within the messages system

Constructor Summary

DmlUnassertCommand(java.lang.String relvarName, DBObject dbObject)
Creates the command object.

Method Summary

java.lang.String	getCommand() Gets the command text
ServerCommand	getServerCommand() Gets the ServerCommand object representing this dml command
java.lang.String	toString()

Methods inherited from class be.SIRAPRISE.client.DmlSingleAssignmentCommand

getRelationText, getRelvarName

Methods inherited from class be.SIRAPRISE.client.DmlAssignmentCommand

getServerAssignmentCommand

Methods inherited from class java.lang.Object

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

Field Detail

ASSIGNMENTTYPE

public static final byte ASSIGNMENTTYPE

The byte code identifying the 'ASSERT' assignment type within the messages system

See Also:

Constant Field Values

Constructor Detail

DmlUnassertCommand

public DmlUnassertCommand(java.lang.String relvarName,
                          DBObject dbObject)

Creates the command object. See the DmlAssignmentCommand doc for an explanation of how the relvar's heading and the object's class must correspond to one another.

Parameters:

relvarName - The name of the relvar in which a tuple for the object is to be added

dbObject - The object for which a tuple is to be added in the named relvar

Method Detail

getCommand

public java.lang.String getCommand()

Description copied from class: DmlCommand

Gets the command text

Specified by:

getCommand in class DmlCommand

Returns:

the command text

getServerCommand

public ServerCommand getServerCommand()

Description copied from class: DmlCommand

Gets the ServerCommand object representing this dml command

Specified by:

getServerCommand in class DmlCommand

Returns:

the ServerCommand object representing this dml command

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object