Class ImageHDUDataNode

Method Details

• allowsChildren

  public boolean allowsChildren()

  Description copied from class: DefaultDataNode

  The DefaultDataNode implementation of this method returns false.

  Specified by:

  allowsChildren in interface DataNode

  Overrides:

  allowsChildren in class HDUDataNode

  Returns:

  true if the node is of a type which can have child nodes, false otherwise

• getChildIterator

  public Iterator getChildIterator()

  Description copied from class: DefaultDataNode

  The DefaultDataNode implementation of this method throws UnsupportedOperationException (DefaultDataNode.allowsChildren() is false).

  Specified by:

  getChildIterator in interface DataNode

  Overrides:

  getChildIterator in class DefaultDataNode

  Returns:

  an Iterator over the children. Each object iterated over should be a DataNode. Behaviour is undefined if this method is called on an object for which allowsChildren returns false.

• configureDetail

  public void configureDetail(DetailViewer dv)

  Description copied from class: DefaultDataNode

  No custom configuration is performed.

  Specified by:

  configureDetail in interface DataNode

  Overrides:

  configureDetail in class HDUDataNode

  Parameters:

  dv - the detail viewer which this node is given an opportunity to configure

• getDescription

  public String getDescription()

  Description copied from interface: DataNode

  Gets a concise description of this object. The form of the description will depend on the type of node, but it might detail the shape or type of data represented, or otherwise give some information additional to the name. It should not include the return value of the getName method, since they may be presented together. It should be on one line, and preferably no longer than around 70 characters. The null value may be returned if there is nothing to say.

  Specified by:

  getDescription in interface DataNode

  Overrides:

  getDescription in class HDUDataNode

  Returns:

  a short string describing this object

• getNodeTLA

  public String getNodeTLA()

  Description copied from class: DefaultDataNode

  The DefaultDataNode implementation returns the string "...".

  Specified by:

  getNodeTLA in interface DataNode

  Overrides:

  getNodeTLA in class HDUDataNode

  Returns:

  "..."

• getNodeType

  public String getNodeType()

  Description copied from interface: DataNode

  Returns a short sentence indicating what kind of node this is. The return value should be just a few words. As a rough guideline it should indicate what the implementing class is.

  Specified by:

  getNodeType in interface DataNode

  Overrides:

  getNodeType in class HDUDataNode

  Returns:

  a short description of the type of this DataNode

• hasDataObject

  public boolean hasDataObject(DataType dtype)

  Description copied from class: DefaultDataNode

  The DefaultDataNode implementation returns true for only those data objects which have been registered using DefaultDataNode.registerDataObject(uk.ac.starlink.datanode.nodes.DataType, java.lang.Object).

  Specified by:

  hasDataObject in interface DataNode

  Overrides:

  hasDataObject in class DefaultDataNode

  Parameters:

  dtype - data object type of interest

  Returns:

  true iff a subsequent call of getDataObject(type) is likely to be successful

• getDataObject

  public Object getDataObject(DataType dtype) throws DataObjectException

  Description copied from class: DefaultDataNode

  The DefaultDataNode implementation returns any data object which has been registered using DefaultDataNode.registerDataObject(uk.ac.starlink.datanode.nodes.DataType, java.lang.Object).

  Specified by:

  getDataObject in interface DataNode

  Overrides:

  getDataObject in class DefaultDataNode

  Parameters:

  dtype - data object type of interest

  Returns:

  data object of type type

  Throws:

  DataObjectException