net.sf.jasperreports.engine.data
Class JRBeanCollectionDataSource

java.lang.Object
  net.sf.jasperreports.engine.data.JRAbstractBeanDataSource
      net.sf.jasperreports.engine.data.JRBeanCollectionDataSource

All Implemented Interfaces:

JRDataSource, JRRewindableDataSource

public class JRBeanCollectionDataSource
extends JRAbstractBeanDataSource

Version:

$Id: JRBeanCollectionDataSource.java 3939 2010-08-20 09:52:00Z teodord $

Author:

Teodor Danciu ([email protected])

Field Summary

Fields inherited from class net.sf.jasperreports.engine.data.JRAbstractBeanDataSource

CURRENT_BEAN_MAPPING, FIELD_DESCRIPTION_PROPERTY_NAME_PROVIDER, FIELD_NAME_PROPERTY_NAME_PROVIDER, propertyNameProvider

Constructor Summary

JRBeanCollectionDataSource(java.util.Collection beanCollection)

JRBeanCollectionDataSource(java.util.Collection beanCollection, boolean isUseFieldDescription)

Method Summary

JRBeanCollectionDataSource	cloneDataSource() Clones this data source by creating a new instance that reuses the same underlying bean collection.
java.util.Collection	getData() Returns the underlying bean collection used by this data source.
java.lang.Object	getFieldValue(JRField field) Gets the field value for the current position.
int	getRecordCount() Returns the total number of records/beans that this data source contains.
void	moveFirst() Moves back to the first element in the data source.
boolean	next() Tries to position the cursor on the next element in the data source.

Methods inherited from class net.sf.jasperreports.engine.data.JRAbstractBeanDataSource

getBeanProperty, getFieldValue, getPropertyName, isCurrentBeanMapping

Methods inherited from class java.lang.Object

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

Constructor Detail

JRBeanCollectionDataSource

public JRBeanCollectionDataSource(java.util.Collection beanCollection)

JRBeanCollectionDataSource

public JRBeanCollectionDataSource(java.util.Collection beanCollection,
                                  boolean isUseFieldDescription)

Method Detail

next

public boolean next()

Description copied from interface: JRDataSource

Tries to position the cursor on the next element in the data source.

Returns:

true if there is a next record, false otherwise

getFieldValue

public java.lang.Object getFieldValue(JRField field)
                               throws JRException

Description copied from interface: JRDataSource

Gets the field value for the current position.

Returns:

an object containing the field value. The object type must be the field object type.

Throws:

JRException

moveFirst

public void moveFirst()

Description copied from interface: JRRewindableDataSource

Moves back to the first element in the data source.

getData

public java.util.Collection getData()

Returns the underlying bean collection used by this data source.

Returns:

the underlying bean collection

getRecordCount

public int getRecordCount()

Returns the total number of records/beans that this data source contains.

Returns:

the total number of records of this data source

cloneDataSource

public JRBeanCollectionDataSource cloneDataSource()

Clones this data source by creating a new instance that reuses the same underlying bean collection.

Returns:

a clone of this data source