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ojb.broker.query
Class QueryByMtoNCriteria  

java.lang.Object
  ojb.broker.query.QueryByMtoNCriteria

All Implemented Interfaces:

Query, java.io.Serializable

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public class QueryByMtoNCriteria

extends java.lang.Object

implements Query

represents a search by criteria. "find all articles where article.price > 100" could be represented as: Criteria crit = new Criteria(); crit.addGreaterThan("price", new Double(100)); Query qry = new QueryByCriteria(Article.class, crit); The PersistenceBroker can retrieve Objects by Queries as follows: PersistenceBroker broker = PersistenceBrokerFactory.createPersistenceBroker(); Collection col = broker.getCollectionByQuery(qry); Creation date: (24.01.2001 21:45:46)

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Field Summary
private  java.lang.Class	clazz
private  Criteria	criteria
private  boolean	distinct
private  java.lang.String[]	tables

 

Constructor Summary

QueryByMtoNCriteria(java.lang.Class targetClass, java.lang.String[] tables, Criteria criteria)           Build a Query for class targetClass with criteria.

QueryByMtoNCriteria(java.lang.Class targetClass, java.lang.String[] tables, Criteria criteria, boolean distinct)           Build a Query for class targetClass with criteria.

 

Method Summary
void	changeClass(java.lang.Class aNewClass)           change the item class to aNewClass, to fix m:n with extents issue this affects the tables and all EqualToColumnCriteria
void	changeClass(ojb.broker.metadata.ClassDescriptor aNewCld)           change the item class to aNewClass, to fix m:n with extents issue this affects the tables and all EqualToColumnCriteria
private  void	changeCriteriaTable(Criteria criteria, java.lang.String oldTable, java.lang.String newTable)           change table names in the EqualToColumnCriteria
private  void	changeTable(java.lang.String oldTable, java.lang.String newTable)           change table names in the query
Criteria	getCriteria()           Method declaration
java.lang.Object	getExampleObject()           Method declaration
java.lang.Class	getSearchClass()           Method declaration
java.lang.String	getTables()           return tables separated by comma,
boolean	isDistinct()           Gets the distinct.
void	setDistinct(boolean distinct)           Sets the distinct.
java.lang.String	toString()           Insert the method's description here.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

clazz

private java.lang.Class clazz

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tables

private java.lang.String[] tables

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criteria

private Criteria criteria

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distinct

private boolean distinct

Constructor Detail

QueryByMtoNCriteria

public QueryByMtoNCriteria(java.lang.Class targetClass,
                           java.lang.String[] tables,
                           Criteria criteria)

Build a Query for class targetClass with criteria. Criteriy may be null (will result in a query returning ALL objects from a table)

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QueryByMtoNCriteria

public QueryByMtoNCriteria(java.lang.Class targetClass,
                           java.lang.String[] tables,
                           Criteria criteria,
                           boolean distinct)

Build a Query for class targetClass with criteria. Criteriy may be null (will result in a query returning ALL objects from a table)

Method Detail

getTables

public java.lang.String getTables()

return tables separated by comma,

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getCriteria

public Criteria getCriteria()

Method declaration

Specified by:

getCriteria in interface Query

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getExampleObject

public java.lang.Object getExampleObject()

Method declaration

Specified by:

getExampleObject in interface Query

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getSearchClass

public java.lang.Class getSearchClass()

Method declaration

Specified by:

getSearchClass in interface Query

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toString

public java.lang.String toString()

Insert the method's description here. Creation date: (07.02.2001 22:01:55)

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isDistinct

public boolean isDistinct()

Gets the distinct.

Specified by:

isDistinct in interface Query

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setDistinct

public void setDistinct(boolean distinct)

Sets the distinct.

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changeTable

private void changeTable(java.lang.String oldTable,
                         java.lang.String newTable)

change table names in the query

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changeCriteriaTable

private void changeCriteriaTable(Criteria criteria,
                                 java.lang.String oldTable,
                                 java.lang.String newTable)

change table names in the EqualToColumnCriteria

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changeClass

public void changeClass(java.lang.Class aNewClass)

change the item class to aNewClass, to fix m:n with extents issue this affects the tables and all EqualToColumnCriteria

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changeClass

public void changeClass(ojb.broker.metadata.ClassDescriptor aNewCld)

change the item class to aNewClass, to fix m:n with extents issue this affects the tables and all EqualToColumnCriteria

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