ru.biosoft.access
Class DerivedDataCollection

ru.biosoft.access.DataElementSupport
  |
  +--ru.biosoft.access.AbstractDataCollection
        |
        +--ru.biosoft.access.DerivedDataCollection

Direct Known Subclasses:

VariablesDataCollection, Module, FilteredDataCollection, TransformedDataCollection

public class DerivedDataCollection

extends AbstractDataCollection

General class for derived data collection.

Subclasses should provide the difference of derived data collection from primary one.

Derived data collection is listener of primary data collection. This implementation provides delegation primary data collection events to listeners of derived data collection.

pending high we do not close primry collection. It is subclasses responcibility.

Methods inherited from class ru.biosoft.access.DataElementSupport

getName, getOrigin, registerConstructorWithBadEqual

Constructor Detail

DerivedDataCollection

public DerivedDataCollection(DataCollection parent, Properties properties)
                        throws java.lang.Exception

Constructor to be used by CollectionFactory. Obligatory properties are

• #NAME
• DataCollection.PRIMARY_COLLECTION
• DataCollection.FILTER_PROPERTY

Parameters:

parent

properties - Properties for creating data parent .

public DerivedDataCollection(DataCollection parent, String name, DataCollection primaryDC, Properties properties)

Constructs DerivedDataCollection with the parent, name and primary data collection.

Parameters:

parent - parent for this data collection.

parent - name of this data collection.

primaryDC - primary data collection.

properties - Properties to initialise DataCollectionInfo. Can be null.

public boolean contains(String name)

Calls DataCollection.contains(java.lang.String) method of primary data collection.

Parameters:

name - specified name of data element

Returns: true if primary data collection contains element with specified name,
false otherwise..

public boolean contains(DataElement de)

Calls DataCollection.contains(ru.biosoft.access.DataElement) method of primary data collection.

Parameters:

de - specified data element

Returns: true if primary data collection contains specified element ,
false otherwise..

public DataElement doGet(String name)
                   throws java.lang.Exception

Calls DataCollection.get(java.lang.String) method of primary collection

Parameters:

name - Name of specified data element.

Returns: the specified data element from the primary collection.

Throws:

Exception - If any error

public Class getDataElementType()

Calls DataCollection.getDataElementType() method of primary data collection.

Returns: Type of data elements stored in the primary data collection.

public List getNameList()

Calls DataCollection.getNameList() method of primary data collection

Returns: primary data collection name list.

public DataCollection getPrimaryCollection()

public int getSize()

Calls DataCollection.getSize() method of primary data collection.

Returns: Number of data element in primary data collection.

public boolean isMutable()

Calls DataCollection.isMutable() method of primary data collection.

Returns: true if primary data collection is mutable,
false otherwise..

public Iterator iterator()

Calls DataCollection.iterator() method of primary data collection

Returns: an iterator over the data elements in primary collection.

public String toString()

Returns a string representation of the derived data collection

Returns: string representation of the derived data collection

Association Links

to Class ru.biosoft.access.DataCollection

Primary collection.