org.apache.ddlutils.model
Class UniqueIndex

java.lang.Object
  org.apache.ddlutils.model.IndexImpBase
      org.apache.ddlutils.model.UniqueIndex

All Implemented Interfaces:

Serializable, Cloneable, Index

public class UniqueIndex
extends IndexImpBase

Provides compatibility with Torque-style xml with separate <index> and <unique> tags, but adds no functionality. All indexes are treated the same by the Table.

Version:

$Revision: 463305 $

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.ddlutils.model.IndexImpBase

_columns, _name

Constructor Summary

UniqueIndex()

Method Summary

Object	clone() Clones this index.
boolean	equals(Object obj)
boolean	equalsIgnoreCase(Index other) Compares this index to the given one while ignoring the case of identifiers.
int	hashCode()
boolean	isUnique() Determines whether this index is unique or not.
String	toString()
String	toVerboseString() Returns a verbose string representation of this index.

Methods inherited from class org.apache.ddlutils.model.IndexImpBase

addColumn, getColumn, getColumnCount, getColumns, getName, hasColumn, removeColumn, removeColumn, setName

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

UniqueIndex

public UniqueIndex()

Method Detail

isUnique

public boolean isUnique()

Determines whether this index is unique or not.

Returns:

true if the index is an unique one

clone

public Object clone()
             throws CloneNotSupportedException

Clones this index.

Specified by:

clone in interface Index

Specified by:

clone in class IndexImpBase

Returns:

The clone

Throws:

CloneNotSupportedException - If the cloning did fail

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

equalsIgnoreCase

public boolean equalsIgnoreCase(Index other)

Compares this index to the given one while ignoring the case of identifiers.

Parameters:

other - The other index

Returns:

true if this index is equal (ignoring case) to the given one

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

toVerboseString

public String toVerboseString()

Returns a verbose string representation of this index.

Returns:

The string representation