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org.apache.torque.engine.database.model
Class Unique  

java.lang.Object
  org.apache.torque.engine.database.model.Index
      org.apache.torque.engine.database.model.Unique

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public class Unique

extends Index

Information about unique columns of a table. This class assumes that in the underlying RDBMS, unique constraints and unique indices are roughly equivalent. For example, adding a unique constraint to a column also creates an index on that column (this is known to be true for MySQL and Oracle).

Version:

$Id: Unique.java,v 1.1.2.2 2004/05/20 04:34:15 seade Exp $

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Field Summary

 

Fields inherited from class org.apache.torque.engine.database.model.Index

 

Constructor Summary

Unique()

 

Method Summary
boolean	isUnique()           Returns true.
java.lang.String	toString()           String representation of the index.

 

Methods inherited from class org.apache.torque.engine.database.model.Index

addColumn, getColumnList, getColumnNames, getColumns, getName, getTable, getTableName, loadFromXML, setName, setTable

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

Unique

public Unique()

Method Detail

isUnique

public final boolean isUnique()

Returns true.

Overrides:

isUnique in class Index

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toString

public java.lang.String toString()

String representation of the index. This is an xml representation.

Overrides:

toString in class Index

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SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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