com.highqsoft.dropper

Class N1RelationCollector

java.lang.Object

com.highqsoft.dropper.N1RelationCollector

public class N1RelationCollector
extends java.lang.Object

This is a collector for 1:n relations that should be dropped.

Since:

$Date: 2017/04/06 13:30:12 $

Version:

$Revision: 1.12 $

Author:

Andreas Hofmann

Field Summary

Fields

Modifier and Type	Field and Description
protected T_LONGLONG	aeID
protected java.lang.String	idAttr

Constructor Summary

Constructors

Constructor and Description
N1RelationCollector(T_LONGLONG aeID, java.lang.String idAttr) Create the object by giving the relation attribute to be reset.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(long ieID, java.lang.String relAttr) Add an instance id to the collection.
void	add(T_LONGLONG ieID, java.lang.String relAttr) Add an instance id to the collection.
java.util.Iterator<java.lang.String>	attrIterator() Get the relation attribute names that are collected.
AIDNameValueSeqUnitId[]	createDropSequence(java.lang.String attrName) Create the sequence for dropping.
void	drop(OdsCacheIF cache) Drop the collection.
boolean	equals(java.lang.Object o)
int	hashCode()
int	size() Get the total number of collected elements.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

aeID

protected T_LONGLONG aeID

idAttr

protected java.lang.String idAttr

Constructor Detail

N1RelationCollector

public N1RelationCollector(T_LONGLONG aeID,
                   java.lang.String idAttr)

Create the object by giving the relation attribute to be reset.

Parameters:

aeID - the application element id.

idAttr - the ID attribute name

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

add

public void add(T_LONGLONG ieID,
       java.lang.String relAttr)

Add an instance id to the collection.

Parameters:

ieID - the instance element id.

relAttr - the name of the relation attribute to be dropped.

add

public void add(long ieID,
       java.lang.String relAttr)

Add an instance id to the collection.

Parameters:

ieID - the instance element id.

relAttr - the name of the relation attribute to be dropped.

drop

public void drop(OdsCacheIF cache)
          throws AoException

Drop the collection.

Parameters:

cache - the ASAM ODS cache.

Throws:

AoException - when ASAM ODS fails.

attrIterator

public java.util.Iterator<java.lang.String> attrIterator()

Get the relation attribute names that are collected.

Returns:

an iterator that holds all collected relation attribute names.

createDropSequence

public AIDNameValueSeqUnitId[] createDropSequence(java.lang.String attrName)

Create the sequence for dropping. This value can be used for the ApplElemAccess.updateInstance() call.

Parameters:

attrName - The name of the relation attribute that should be dropped.

Returns:

the sequence that can be used for dropping relations. The method returns null, if no instances are registered.

size

public int size()

Get the total number of collected elements.

Returns:

the total number of elements.