DataHolder (SNAP Engine API)

java.lang.Object
- org.esa.snap.core.dataio.geocoding.DataHolder

```
public class DataHolder
extends Object
```
The lazy instantiating DataHolder class supports ProductReader implementers in not having to create large double arrays multiple times if they are needed multiple times for the instantiation of a GeoRaster.

For an example of its use, see: decode of ComponentGeoCodingPersistenceConverter.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`HashMap<RasterDataNode,double[]>`	`getDataMap(Product product)`
`static DataHolder`	`getInstance()`	Static factory method for lazy instantiating

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

Method Detail

getInstance
```
public static DataHolder getInstance()
```
Static factory method for lazy instantiating

getDataMap

public HashMap<RasterDataNode,double[]> getDataMap(Product product)