ColumnDataCacheHandler (JasperReports Javadoc 7.0.0 API)

java.lang.Object
- net.sf.jasperreports.data.cache.ColumnDataCacheHandler

All Implemented Interfaces:

DataCacheHandler
```
public class ColumnDataCacheHandler
extends Object
implements DataCacheHandler
```
Report data cache handler that collects data in column stores.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Field Summary
- Fields inherited from interface net.sf.jasperreports.data.cache.DataCacheHandler
  PARAMETER_DATA_CACHE_HANDLER, PROPERTY_DATA_PERSISTABLE, PROPERTY_DATA_RECORDABLE, PROPERTY_INCLUDED

Constructor Summary

Constructors
Constructor Description

ColumnDataCacheHandler()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected ColumnStore`	`createColumnStore(Class<?> type)`
`protected ColumnStore`	`createColumnStore(JRField field)`
`DataRecorder`	`createDataRecorder()`
`protected void`	`disableCaching()`
`DataSnapshot`	`getDataSnapshot()`
`boolean`	`isRecordingEnabled()`
`boolean`	`isSnapshotPopulated()`
`protected void`	`setDataSnapshot(DataSnapshot snapshot)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- ColumnDataCacheHandler
```
public ColumnDataCacheHandler()
```

Method Detail

isRecordingEnabled
```
public boolean isRecordingEnabled()
```
Specified by:

isRecordingEnabled in interface DataCacheHandler

createDataRecorder
```
public DataRecorder createDataRecorder()
```
Specified by:

createDataRecorder in interface DataCacheHandler

getDataSnapshot
```
public DataSnapshot getDataSnapshot()
```
Specified by:

getDataSnapshot in interface DataCacheHandler

disableCaching
```
protected void disableCaching()
```

setDataSnapshot

protected void setDataSnapshot(DataSnapshot snapshot)

isSnapshotPopulated
```
public boolean isSnapshotPopulated()
```
Specified by:

isSnapshotPopulated in interface DataCacheHandler

createColumnStore

protected ColumnStore createColumnStore(JRField field)

createColumnStore

protected ColumnStore createColumnStore(Class<?> type)