org.das2.datasource

Class Das2ServerDataSource

java.lang.Object

org.autoplot.datasource.AbstractDataSource

org.das2.datasource.Das2ServerDataSource

All Implemented Interfaces:

DataSource

public final class Das2ServerDataSource
extends AbstractDataSource

DataSource for communicating with Das2servers.

Field Summary

Fields inherited from class org.autoplot.datasource.AbstractDataSource

params, resourceURI, uri

Constructor Summary

Constructors

Constructor and Description
Das2ServerDataSource(java.net.URI uri)

Method Summary

Modifier and Type	Method and Description
QDataSet	getDataSet(ProgressMonitor mon) retrieve the dataset.
TimeSeriesBrowse	getTimeSeriesBrowse() TODO: why are there two of these???
java.lang.String	getURI() return the fully-qualified URI of this data source, including the "vap+:" scheme.
java.lang.String	toString()
protected MutablePropertyDataSet	unbundleTCAItem(DataSet ds, java.lang.String item, java.util.List<java.lang.String> tcaDesc) implement the logic that extracts based on name, "plane_i", or "i".
protected QDataSet	unbundleTCAItemQDS(QDataSet ds, java.lang.String item, java.util.List<java.lang.String> tcaDesc) implement the logic that extracts based on name, "plane_i", or "i".

Methods inherited from class org.autoplot.datasource.AbstractDataSource

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

Methods inherited from class java.lang.Object

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

Constructor Detail

Das2ServerDataSource

public Das2ServerDataSource(java.net.URI uri)
                     throws java.text.ParseException

Throws:

java.text.ParseException

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

unbundleTCAItem

protected MutablePropertyDataSet unbundleTCAItem(DataSet ds,
                                                 java.lang.String item,
                                                 java.util.List<java.lang.String> tcaDesc)
                                          throws java.lang.IllegalArgumentException

implement the logic that extracts based on name, "plane_i", or "i".

Parameters:

ds -

item - the item name, plane_i, or "i"

tcaDesc - descriptions found in the DSDF describing each channel.

Returns:

the plane or null.

Throws:

java.lang.IllegalArgumentException

unbundleTCAItemQDS

protected QDataSet unbundleTCAItemQDS(QDataSet ds,
                                      java.lang.String item,
                                      java.util.List<java.lang.String> tcaDesc)
                               throws java.lang.IllegalArgumentException

implement the logic that extracts based on name, "plane_i", or "i".

Parameters:

ds -

item - the item name, plane_i, or "i"

tcaDesc - descriptions found in the DSDF describing each channel.

Returns:

the plane or null.

Throws:

java.lang.IllegalArgumentException

getTimeSeriesBrowse

public final TimeSeriesBrowse getTimeSeriesBrowse()

TODO: why are there two of these???

Returns:

TimeSeriesBrowse

getURI

public java.lang.String getURI()

Description copied from interface: DataSource

return the fully-qualified URI of this data source, including the "vap+:" scheme.

Specified by:

getURI in interface DataSource

Overrides:

getURI in class AbstractDataSource

Returns:

toString

public java.lang.String toString()

Overrides:

toString in class AbstractDataSource