LocalMeasurementDataSourceWrapper (OpenNMS 2022.1.1 API)

java.lang.Object
- org.opennms.netmgt.jasper.measurement.local.LocalMeasurementDataSourceWrapper

All Implemented Interfaces:

MeasurementDataSourceWrapper
```
public class LocalMeasurementDataSourceWrapper
extends Object
implements MeasurementDataSourceWrapper
```
This data source is used when the reports are running within a OpenNMS JVM. In detail they should be used if there is an implementation of MeasurementFetchStrategy available by BeanUtils.instantiate(Class).

Constructor Summary

Constructors
Constructor	Description
`LocalMeasurementDataSourceWrapper(MeasurementFetchStrategy fetchStrategy, ExpressionEngine expressionEngine, FilterEngine filterEngine)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`net.sf.jasperreports.engine.JRRewindableDataSource`	`createDataSource(String query)`	Creates a `JRRewindableDataSource` according to the provided query.

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

- Constructor Detail
  - LocalMeasurementDataSourceWrapper
```
public LocalMeasurementDataSourceWrapper(MeasurementFetchStrategy fetchStrategy,
                                         ExpressionEngine expressionEngine,
                                         FilterEngine filterEngine)
```
- Method Detail
  - createDataSource
```
public net.sf.jasperreports.engine.JRRewindableDataSource createDataSource(String query)
                                                                    throws net.sf.jasperreports.engine.JRException
```
    Description copied from interface: MeasurementDataSourceWrapper
    
    Creates a JRRewindableDataSource according to the provided query.
    
    Specified by:
    
    createDataSource in interface MeasurementDataSourceWrapper
    
    Parameters:
    
    query - The query to execute. Should be a OpenNMS Measurement API parsable QueryRequest. It may be null, but not empty.
    
    Returns:
    
    The DataSource.
    
    Throws:
    
    net.sf.jasperreports.engine.JRException - In any error situation. RuntimeException are not catched and may be thrown in addition.
  - close
```
public void close()
```
    Specified by:
    
    close in interface MeasurementDataSourceWrapper