org.autoplot.pdsppi

Class PDSPPIDataSource

java.lang.Object

org.autoplot.datasource.AbstractDataSource

org.autoplot.pdsppi.PDSPPIDataSource

All Implemented Interfaces:

DataSource

public class PDSPPIDataSource
extends AbstractDataSource

Read data from PDS PPI, using their web interface. Data is communicated in VOTABLEs.

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_BUNDLE_COUNT no dataset can have more than MAX_BUNDLE_COUNT datasets.

Fields inherited from class org.autoplot.datasource.AbstractDataSource

params, resourceURI, uri

Method Summary

Modifier and Type	Method and Description
<T> T	getCapability(java.lang.Class<T> clazz) attempt to get a capability.
QDataSet	getDataSet(ProgressMonitor mon) retrieve the dataset.

Methods inherited from class org.autoplot.datasource.AbstractDataSource

addCability, addCapability, asynchronousLoad, doWhereFilter, getExt, getExt, getFile, getFile, getFile, getHtmlFile, getInputStream, getMetadata, getMetadataModel, getParam, getParams, getProperties, getURI, toString

Methods inherited from class java.lang.Object

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

Field Detail

MAX_BUNDLE_COUNT

public static final int MAX_BUNDLE_COUNT

no dataset can have more than MAX_BUNDLE_COUNT datasets.

See Also:

Constant Field Values

Method Detail

getDataSet

public QDataSet getDataSet(ProgressMonitor mon)
                    throws java.lang.Exception

Description copied from interface: DataSource

retrieve the dataset. This allowed to be sub-interactive or batch time scale, and will block until the dataset is produced. This may return null when no data is available, or NoDataInIntervalException can be thrown. If the user cancelled the operation, then java.io.InterrupedIOExcaption or better yet org.das2.CancelledOperationException should be called. These will simply display "cancelled" (or similar) on the status bar.

Specified by:

getDataSet in interface DataSource

Specified by:

getDataSet in class AbstractDataSource

Returns:

the DataSet for the URI, or null if no data is available.

Throws:

java.lang.Exception

getCapability

public <T> T getCapability(java.lang.Class<T> clazz)

Description copied from class: AbstractDataSource

attempt to get a capability. null will be returned if the capability doesn't exist.

Specified by:

getCapability in interface DataSource

Overrides:

getCapability in class AbstractDataSource

Type Parameters:

T - the capability

Parameters:

clazz - the capability class.

Returns:

null or an implementation of a capability.