planetj.database
Class RowKey

java.lang.Object
  |
  +--planetj.database.RowKey

public class RowKey

extends Object

An object which uniquely identifies a row within a table. No two rows in the same table should have the same key. Two rows in different table may have the same key

Method Summary

boolean	equals(Object o) Tests if this RowKey is equal to another RowKey.
List	getKeyFieldNames() Gets a list containing the names of the fields whose values comprise this key.
List	getKeyFields() Gets a list containing the fields whose values comprise this key
Row	getRow() Gets the row whose key this object represents
int	hashCode() Gets the hashCode for this row key

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Method Detail

equals

public boolean equals(Object o)

Tests if this RowKey is equal to another RowKey. (Rows in different tables can have equals keys). If two RowKeys are equal, it can mean one of two things

• The two Row objects which the two RowKey objects correspond to represent the same row in the database
• The two Row objects which the two RowKeys objects correspond represent rows in different tables in the database

  Overrides:

  equals in class Object

getKeyFieldNames

public final List getKeyFieldNames()

Gets a list containing the names of the fields whose values comprise this key. This list is ALWAYS derived from whatever is in the current List of KeyFields.

getKeyFields

public final List getKeyFields()

Gets a list containing the fields whose values comprise this key

getRow

public final Row getRow()

Gets the row whose key this object represents

hashCode

public int hashCode()

Gets the hashCode for this row key

Overrides:

hashCode in class Object