EVEDemo.SWEEP
Class CreateUpdateFile

java.lang.Object
  |
  +--EVEDemo.SWEEP.CreateUpdateFile

class CreateUpdateFile
extends java.lang.Object
implements java.io.Serializable

See Also:
Serialized Form

Field Summary
(package private)  Relation DeltaR
          Update of Relation R
(package private)  int Index
          Information Source Index
(package private)  Relation OriginalRelation
          Snap Shot to the Relation R
 
Constructor Summary
CreateUpdateFile(java.lang.String RelationName, int NewIndex)
          this constructor creates an object for Relation with Specific RelationName.
 
Method Summary
 UpdateData checkUpdate()
          This method will check the Update of specific Relation by comparing the current relation with snapshot.
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait
 

Field Detail

OriginalRelation

Relation OriginalRelation
Snap Shot to the Relation R

DeltaR

Relation DeltaR
Update of Relation R

Index

int Index
Information Source Index
Constructor Detail

CreateUpdateFile

public CreateUpdateFile(java.lang.String RelationName,
                        int NewIndex)
this constructor creates an object for Relation with Specific RelationName. That Relation must appeared in the Oracle Database The second parameter: NewIndex is used to write the UpdateFileName.
Method Detail

checkUpdate

public UpdateData checkUpdate()
This method will check the Update of specific Relation by comparing the current relation with snapshot. Then, it will write the update to an external file.