ru.biosoft.access
Class FileEntryCollection

ru.biosoft.access.DataElementSupport
  |
  +--ru.biosoft.access.AbstractDataCollection
        |
        +--ru.biosoft.access.EntryCollection
              |
              +--ru.biosoft.access.FileEntryCollection

public class FileEntryCollection

extends EntryCollection

Implements simple access procedures to databases in EMBL-like format.

Version: 1.0

todo it is necessary to implement JobControl for index building

Constructor Summary

FileEntryCollection(DataCollection parent, Properties properties)           Loads the data collection and its indexes (currently only for id).

Method Summary
void	close()           Closes data collection, releases all resources.
boolean	contains(String name)           Check is file entry collection contains data element with specified name.
List	getNameList()
int	getSize()           Return size of data collection.
Iterator	iterator()           Return iterator for data collection.

Methods inherited from class ru.biosoft.access.EntryCollection

getDataElementType

Methods inherited from class ru.biosoft.access.AbstractDataCollection

addDataCollectionListener, contains, get, getCompleteName, getInfo, init, isMutable, propagateElementChanged, propagateElementWillChange, put, remove, removeDataCollectionListener, toString

Methods inherited from class ru.biosoft.access.DataElementSupport

getName, getOrigin, registerConstructorWithBadEqual

Field Detail

MAX_ENTRY_STR_LENGTH

public final static int MAX_ENTRY_STR_LENGTH

If size of entry more than this constant then Entry store its data in file.

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

Loads the data collection and its indexes (currently only for id). Used by CollectionFactory

Parameters:

parent - Parent data collection.

properties - Properties for creating FileEntryCollection

Throws:

Exception

See Also:

CollectionFactory

todo "see Format of config file"

public void close()
            throws java.io.IOException

Closes data collection, releases all resources. Close data file and index file. This method invalidates DataCollection instance.

Throws:

java.io.IOException - When io error occured.

public boolean contains(String name)

Check is file entry collection contains data element with specified name.

Parameters:

name - Name of data element.

Returns: true - if contains, false otherwise.

public List getNameList()

public int getSize()

Return size of data collection.

Returns: Size of data collection.

public Iterator iterator()

Return iterator for data collection. Method remove() supported only for mutable collections. After remove(),put(),get() iterator will be invalid.

Returns: Iterator

Association Links

to Class org.apache.log4j.Category

to Class java.io.RandomAccessFile

The data collection file.

to Class ru.biosoft.access.IndexTable

Indexes for entry searching by identificator (primary key).

see IndexTable

to Class java.util.List

Unmodefiable list of names.

to Class java.lang.String

End tag of Entry. (e.g // - for EMBL).

to Class java.lang.String

Filename of the data file.