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## ru.biosoft.access
Interface DataCollection

All Known Subinterfaces:
  CollectionUnion

All Known Implementing Classes:
  Compartment, AbstractDataCollection

public interface DataCollection
extends DataElement

DataCollection is a set of homogeneous DataElements. Every DataElement can be unambiguously accessed from the collection by its name.
Method names in DataCollection whether it reasonable follows to convention for Java beans methods, otherwise to convention used by java.utils.Collection.

Version: 1.0
See Also: DataElement

Field Summary
`final static String` | `CHILDREN_NODE_IMAGE` Property for storing of image file names used for nodes of DataElement elements stored in LocalRepository collection
`final static String` | `CHILDREN_NODE_VISIBLE` Property for storing of visible state.
`final static String` | `CLASS_PROPERTY` Property for storing class of data collection.
`final static String` | `CLASSPATH_JAR_PROPERTY` Property for storing class of data collection.
`final static String` | `COMPARATOR_OBJECT`
`final static String` | `CONFIG_PATH_PROPERTY` Property for storing path to data collection config file.
`final static String` | `DEFAULT_CONFIG_FILE` Property for storing name of default data collection's config file.
`final static String` | `DEFAULT_CONFIG_SUFFIX` Property for storing default suffix of data collection's config file.
`final static String` | `DEFAULT_FILTER_CONFIG_SUFFIX` Property for storing suffix of FilteredDataCollection data collections
`final static String` | `DEFAULT_FORMAT_CONFIG_SUFFIX` Property for storing suffix of FileEntryCollection data collections
`final static String` | `DEFAULT_NODE_CONFIG_SUFFIX` Property for storing suffix of LocalRepository data collections
`final static String` | `DEFAULT_REPOSITORY` Property for storing name of default repository file.
`final static String` | `DISPLAY_NAME_PROPERTY` Property for storing display name of data collection.
`final static String` | `FILE_PATH_PROPERTY` Property for storing path to data collection file.
`final static String` | `FILE_PROPERTY` Property for storing name of data collection's file.
`final static String` | `FILTER_PROPERTY` Property for storing filter of data collection's file.
`final static String` | `JOB_CONTROL_PROPERTY`
`final static String` | `LATE_CHILDREN_INITIALIZATION` Property for storing of
`final static String` | `MUTABLE` Property for checking whether the data collection is mutable
`final static String` | `NAME_PROPERTY` Property for storing name of data collection.
`final static String` | `NEXT_CONFIG` Property for storing name of primary data collection config file.
`final static String` | `NODE_IMAGE` Property for storing of image file names used for nodes of LocalRepository collections
`final static String` | `NODE_VISIBLE` Property for storing of visible flag.
`final static String` | `TRANSFORMER_CLASS` Property for storing class of transformer for TransformedDataCollection collections

Method Summary
`void` | `addDataCollectionListener(DataCollectionListener l)` Add a listener to the list that's notified each time a change to the data collection occurs.
`void` | `close()` Closes data collection, releases all resources.
`boolean` | `contains(String name)` Returns true if this data collection contains the element with the specified name, false otherwise
`boolean` | `contains(DataElement element)` Returns true if this data collection contains the specified element, false otherwise
`DataElement` | `get(String name)` Returns the `DataElement` with the specified name.
`String` | `getCompleteName()` Returns complete name of data collection.
`Class` | `getDataElementType()` Returns the type of DataElements stored in the data collection.
`DataCollectionInfo` | `getInfo()` Returns additional info for this data collection.
`List` | `getNameList()` Returns an unmodifiable view of the data element name list.
`int` | `getSize()` Returns the number of elements in this data collection.
`void` | `init()` Initialise data collection instance.
`boolean` | `isMutable()` Returns true if this data collection is mutable, false otherwise.
`Iterator` | `iterator()` Returns an iterator over the data elements in this collection.
`void` | `propagateElementChanged(DataCollection source, DataCollectionEvent primaryEvent)`
`void` | `propagateElementWillChange(DataCollection source, DataCollectionEvent primaryEvent)`
`DataElement` | `put(DataElement obj)` Adds the specified data element to the collection.
`DataElement` | `remove(String name)` Removes the specified data element from the collection, if present.
`void` | `removeDataCollectionListener(DataCollectionListener l)` Remove a listener from the list that's notified each time a change to the data collection occurs.

Methods inherited from interface ru.biosoft.access.DataElement
`getName, getOrigin`

Field Detail

### CHILDREN_NODE_IMAGE

    public final static String CHILDREN_NODE_IMAGE

  Property for storing of image file names used for nodes of DataElement elements stored in LocalRepository collection

### CHILDREN_NODE_VISIBLE

    public final static String CHILDREN_NODE_VISIBLE

  Property for storing of visible state. This flag is used for defining whether DataElement leafs of current node will be displayed in a Repository tree

### CLASS_PROPERTY

    public final static String CLASS_PROPERTY

  Property for storing class of data collection.

### CLASSPATH_JAR_PROPERTY

    public final static String CLASSPATH_JAR_PROPERTY

  Property for storing class of data collection.

### COMPARATOR_OBJECT

    public final static String COMPARATOR_OBJECT

### CONFIG_PATH_PROPERTY

    public final static String CONFIG_PATH_PROPERTY

  Property for storing path to data collection config file.

### DEFAULT_CONFIG_FILE

    public final static String DEFAULT_CONFIG_FILE

  Property for storing name of default data collection's config file.

### DEFAULT_CONFIG_SUFFIX

    public final static String DEFAULT_CONFIG_SUFFIX

  Property for storing default suffix of data collection's config file.

### DEFAULT_FILTER_CONFIG_SUFFIX

    public final static String DEFAULT_FILTER_CONFIG_SUFFIX

  Property for storing suffix of FilteredDataCollection data collections

### DEFAULT_FORMAT_CONFIG_SUFFIX

    public final static String DEFAULT_FORMAT_CONFIG_SUFFIX

  Property for storing suffix of FileEntryCollection data collections

### DEFAULT_NODE_CONFIG_SUFFIX

    public final static String DEFAULT_NODE_CONFIG_SUFFIX

  Property for storing suffix of LocalRepository data collections

### DEFAULT_REPOSITORY

    public final static String DEFAULT_REPOSITORY

  Property for storing name of default repository file.

### DISPLAY_NAME_PROPERTY

    public final static String DISPLAY_NAME_PROPERTY

  Property for storing display name of data collection.

### FILE_PATH_PROPERTY

    public final static String FILE_PATH_PROPERTY

  Property for storing path to data collection file.

### FILE_PROPERTY

    public final static String FILE_PROPERTY

  Property for storing name of data collection's file.

### FILTER_PROPERTY

    public final static String FILTER_PROPERTY

  Property for storing filter of data collection's file.

### JOB_CONTROL_PROPERTY

    public final static String JOB_CONTROL_PROPERTY

### LATE_CHILDREN_INITIALIZATION

    public final static String LATE_CHILDREN_INITIALIZATION

  Property for storing of

### MUTABLE

    public final static String MUTABLE

  Property for checking whether the data collection is mutable

### NAME_PROPERTY

    public final static String NAME_PROPERTY

  Property for storing name of data collection.

### NEXT_CONFIG

    public final static String NEXT_CONFIG

  Property for storing name of primary data collection config file. It is used for TransformedDataCollection's to specify primary data collection

### NODE_IMAGE

    public final static String NODE_IMAGE

  Property for storing of image file names used for nodes of LocalRepository collections

### NODE_VISIBLE

    public final static String NODE_VISIBLE

  Property for storing of visible flag. This flag is used for defining whether current node will be displayed in a Repository tree

### TRANSFORMER_CLASS

    public final static String TRANSFORMER_CLASS

  Property for storing class of transformer for TransformedDataCollection collections

Method Detail

### addDataCollectionListener

    public void addDataCollectionListener(DataCollectionListener l)

  Add a listener to the list that's notified each time a change to the data collection occurs.
  Parameters:
    l - the DataCollectionListener

### close

    public void close()
                throws java.lang.Exception

  Closes data collection, releases all resources. This method invalidates DataCollection instance.
  Throws:
    java.lang.Exception - If error occured.

### contains

    public boolean contains(String name)

  Returns true if this data collection contains the element with the specified name, false otherwise
  Parameters:
    name - name of data element
  Returns: true if this data collection contains the element with specified name,
  false otherwise

### contains

    public boolean contains(DataElement element)

  Returns true if this data collection contains the specified element, false otherwise
  Parameters:
    element - specified data element
  Returns: true if this data collection contains the element wit specified name,
  false otherwise

### get

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

  Returns the `DataElement` with the specified name. Returns `null` if the data collection contains no data element for this name.

### getCompleteName

    public String getCompleteName()

  Returns complete name of data collection.
  Returns: Full name of DataCollection in the tree hierarchy.

### getDataElementType

    public Class getDataElementType()

  Returns the type of DataElements stored in the data collection.
  Returns: Type of DataElements stored in the data collection.

### getInfo

    public DataCollectionInfo getInfo()

  Returns additional info for this data collection. Can return `null`.
  Returns: Additional info for this data collection.
  See Also:
    DataCollectionInfo

### getNameList

    public List getNameList()

  Returns an unmodifiable view of the data element name list. Query operations on the returned list "read through" to the internal name list, and attempts to modify the returned list, whether direct or via its iterator, result in an `UnsupportedOperationException`. The returned list is backed by the data collection, so changes to the data collection are reflected in the returned list. The name list can be sorted or unsorted depending on the DataCollection implementing class.
  Returns: list of names

### getSize

    public int getSize()

  Returns the number of elements in this data collection.
  Returns: Size of this data collection.

### init

    public void init()

  Initialise data collection instance. Should be called only once and before any other methods.

### isMutable

    public boolean isMutable()

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

### iterator

    public Iterator iterator()

  Returns an iterator over the data elements in this collection. There are no guarantees concerning the order in which the elements are returned. If the data collection is modified while an iteration over it is in progress, the results of the iteration are undefined.

### propagateElementChanged

    public void propagateElementChanged(DataCollection source, DataCollectionEvent primaryEvent)

  todo comment

### propagateElementWillChange

    public void propagateElementWillChange(DataCollection source, DataCollectionEvent primaryEvent)

  todo comment

### put

    public DataElement put(DataElement obj)
                     throws java.lang.Exception

  Adds the specified data element to the collection. If the data collection previously contained the specified element, the old value is replaced.
  Returns: previous version of the data element, or null if there was no one.
  Throws:
    java.util.UnsupportedOperationException - if the data collection is unmutable.
  See Also:
    isMutable()

### remove

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

  Removes the specified data element from the collection, if present. Notifies all listeners if the data element was removed.
  Returns: the removed data element.
  Throws:
    java.util.UnsupportedOperationException - if the data collection is unmutable.
    java.lang.Exception - If error occured.
  See Also:
    isMutable()

### removeDataCollectionListener

    public void removeDataCollectionListener(DataCollectionListener l)

  Remove a listener from the list that's notified each time a change to the data collection occurs.
  Parameters:
    l - the DataCollectionListener

Association Links

to Class java.lang.String

  Property for storing name of data collection.

to Class java.lang.String

  Property for storing display name of data collection.

to Class java.lang.String

  Property for storing class of data collection.

to Class java.lang.String

  Property for storing class of data collection.

to Class java.lang.String

  Property for storing path to data collection config file.

to Class java.lang.String

  Property for storing path to data collection file.

to Class java.lang.String

  Property for storing name of data collection's file.

to Class java.lang.String

  Property for storing filter of data collection's file.

to Class java.lang.String

  Property for storing name of default data collection's config file.

to Class java.lang.String

  Property for storing name of default repository file.

to Class java.lang.String

  Property for storing default suffix of data collection's config file.

to Class java.lang.String

  Property for storing suffix of {@link ru.biosoft.access.LocalRepository} data collections

to Class java.lang.String

  Property for storing suffix of {@link ru.biosoft.access.FileEntryCollection} data collections

to Class java.lang.String

  Property for storing suffix of {@link ru.biosoft.access.FilteredDataCollection} data collections

to Class java.lang.String

  Property for storing of image file names used for nodes of {@link ru.biosoft.access.LocalRepository} collections

to Class java.lang.String

  Property for storing of image file names used for nodes of DataElement elements stored in {@link ru.biosoft.access.LocalRepository} collection

to Class java.lang.String

  Property for storing of visible flag. This flag is used for defining whether current node will be displayed in a Repository tree

to Class java.lang.String

  Property for storing of visible state. This flag is used for defining whether DataElement leafs of current node will be displayed in a Repository tree

to Class java.lang.String

  Property for storing of

to Class java.lang.String

  Property for storing class of transformer for {@link ru.biosoft.access.TransformedDataCollection} collections

to Class java.lang.String

  Property for checking whether the data collection is mutable

to Class java.lang.String

to Class java.lang.String

  Property for storing name of primary data collection config file. It is used for {@link ru.biosoft.access.TransformedDataCollection}'s to specify primary data collection

to Class java.lang.String

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