oracle.dms.table
Class Key

java.lang.Object
oracle.dms.table.Key

All Implemented Interfaces:

oracle.dms.table.KeyColumns, java.io.Serializable

public class Key

extends java.lang.Object

implements oracle.dms.table.KeyColumns

Table class uses Key instances to uniquely identify Rows. A Key instance contains a set of the key column names and values.

Since:

Oracle Application Server 10g (10.1.3)

See Also:

Serialized Form

Constructor Summary

Key(java.util.Map keyMap)
Creates an object.

Method Summary

boolean	containsKey(java.lang.String name) Returns true if this Table contains the given key column.
java.util.Enumeration	enumerateKeys(boolean sorted) Enumerates the names of the key columns in this Table as Strings.
java.lang.String[]	getKeys() Gets the names of the key columns in this Table as an array.
java.lang.Object	getKeyValue(java.lang.String key) Gets the value of the given key column.
int	keyCount() Gets the number of the key columns in this Table.

Methods inherited from class java.lang.Object

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

Constructor Detail

Key

public Key(java.util.Map keyMap)

Creates an object.

Parameters:

keyMap - key column values hashed by key column names.

Since:

Oracle Application Server 10g (10.1.3)

Method Detail

getKeyValue

public java.lang.Object getKeyValue(java.lang.String key)

Gets the value of the given key column.

Parameters:

key - the name of the key column.

Returns:

the value of the given key column.

Since:

Oracle Application Server 10g (10.1.3)

keyCount

public int keyCount()

Gets the number of the key columns in this Table.

Specified by:

keyCount in interface oracle.dms.table.KeyColumns

Returns:

the number of the key columns in this Table.

getKeys

public java.lang.String[] getKeys()

Gets the names of the key columns in this Table as an array.

Specified by:

getKeys in interface oracle.dms.table.KeyColumns

Returns:

the names of the key columns in this Table as an array.

See Also:

KeyColumns.enumerateKeys(boolean sorted)

containsKey

public boolean containsKey(java.lang.String name)

Returns true if this Table contains the given key column.

Specified by:

containsKey in interface oracle.dms.table.KeyColumns

Parameters:

name - the name of the key column.

Returns:

true if this Table contains the given key column.

enumerateKeys

public java.util.Enumeration enumerateKeys(boolean sorted)

Enumerates the names of the key columns in this Table as Strings.

Specified by:

enumerateKeys in interface oracle.dms.table.KeyColumns

Parameters:

sorted - true enumerates the names of the key columns in the acsending order.

Returns:

Enumeration object for enumerating the names of the key columns in this Table as Strings.

See Also:

KeyColumns.getKeys()