com.knowgate.hipergate
Class MetaAttribute

java.lang.Object
  com.knowgate.dataobjs.DBPersist
      com.knowgate.hipergate.MetaAttribute

All Implemented Interfaces:

java.io.Serializable, java.util.Map

public class MetaAttribute
extends DBPersist

Table Meta-Attributes

Meta-Attributes are "virtual columns" that may exists for each table on a per WorkArea basis. This class holds only the meta-attribuyes definitions, not the actual data contained on them.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Field Summary

static short

ClassId

Fields inherited from class com.knowgate.dataobjs.DBPersist

AllVals, sAuditCls, sAuditUsr, sTransactId

Constructor Summary

MetaAttribute()
Create empty Meta-Attribute

MetaAttribute(JDCConnection oConn, java.lang.String sOwnerGUID, java.lang.String sTableName, java.lang.String sSectionName)
Load Meta-Attribute from database.

Method Summary

boolean	delete(JDCConnection oConn) Delete meta-Attribute definition and data.
boolean	store(JDCConnection oConn) Store Meta-Attribute Definition Field pg_attr is automatically assigned to next free value in k_lu_meta_attrs table for current WorkArea and Base Table.

Methods inherited from class com.knowgate.dataobjs.DBPersist

allcaps, allcaps, changelog, clear, clone, containsKey, containsValue, entrySet, exists, get, get, getAuditClassName, getCreationDate, getDate, getDateFormated, getDateShort, getDateTime, getDateTime24, getDecimal, getDecimalFormated, getDecimalFormated, getDouble, getDoubleFormated, getFloat, getFloatFormated, getInt, getInteger, getIntervalPart, getItemMap, getItems, getMoney, getShort, getSQLDate, getSQLTime, getString, getStringHtml, getStringNull, getTable, getTable, getTableName, getTime, getTimeOfDay, getTimestamp, getUIdFromName, isEmpty, isNull, iterator, keySet, load, load, parseXML, put, put, put, put, put, put, put, put, put, put, put, put, put, put, put, put, put, putAll, putAll, remove, remove, replace, replace, replace, replace, replace, replace, replace, replace, setAuditTransact, setAuditUser, setCreationDate, size, toLowerCase, toUpperCase, toXML, toXML, toXML, toXML, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Field Detail

ClassId

public static final short ClassId

See Also:

Constant Field Values

Constructor Detail

MetaAttribute

public MetaAttribute()

Create empty Meta-Attribute

MetaAttribute

public MetaAttribute(JDCConnection oConn,
                     java.lang.String sOwnerGUID,
                     java.lang.String sTableName,
                     java.lang.String sSectionName)
              throws java.sql.SQLException

Load Meta-Attribute from database.

Parameters:

oConn - Database Connection

sOwnerGUID - GUID of WorkArea to witch the Meta-Attribute belongs.

sTableName - Name of base table

sSectionName - Section Name (emulates a column name on base table).

Throws:

java.sql.SQLException

Method Detail

delete

public boolean delete(JDCConnection oConn)
               throws java.sql.SQLException,
                      java.lang.NullPointerException

Delete meta-Attribute definition and data.

Overrides:

delete in class DBPersist

Parameters:

oConn - Database Connection

Returns:

true if register was successfully erased, false if not.

Throws:

java.sql.SQLException

java.lang.NullPointerException - If base table, workarea or attribute is null

store

public boolean store(JDCConnection oConn)
              throws java.sql.SQLException

Store Meta-Attribute Definition

Field pg_attr is automatically assigned to next free value in k_lu_meta_attrs table for current WorkArea and Base Table.

Overrides:

store in class DBPersist

Parameters:

oConn - Database Connection

Returns:

boolean true if register was stored for the first time, false if register already existed.

Throws:

java.sql.SQLException