ru.biosoft.access
Class MemIndex

java.lang.Object
  java.util.AbstractMap
      java.util.HashMap
          ru.biosoft.access.MemIndex

All Implemented Interfaces:

java.lang.Cloneable, Index, java.util.Map, java.io.Serializable

public class MemIndex

extends java.util.HashMap

implements Index

See Also:

Serialized Form

To do:

Document

Nested Class Summary

Nested classes inherited from class ru.biosoft.access.Index

Index.IndexEntry, Index.StringIndexEntry

Nested classes inherited from class java.util.Map

java.util.Map.Entry

Field Summary

Fields inherited from interface ru.biosoft.access.Index

DEFAULT_INDEX_NAME

Constructor Summary

MemIndex(java.io.File dataFile, java.lang.String indexName)

Method Summary

void	close() Release all resources.
java.io.File	getIndexFile() Returns index file.
boolean	isValid() Check is this index valid.
java.util.Iterator	nodeIterator(Key key)

Methods inherited from class java.util.HashMap

clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Constructor Detail

MemIndex

public MemIndex(java.io.File dataFile,
                java.lang.String indexName)
         throws java.io.IOException

To do:

Document., HIGH Implement.

Method Detail

nodeIterator

public java.util.Iterator nodeIterator(Key key)

Specified by:

nodeIterator in interface Index

isValid

public boolean isValid()

Description copied from interface: Index

Check is this index valid.

Specified by:

isValid in interface Index

Returns:

true if index valid, false otherwise.

To do:

Document., Implement, May compare timestamp of file and index file.

getIndexFile

public java.io.File getIndexFile()

Returns index file. This information is essential to remove index files.

Specified by:

getIndexFile in interface Index

Returns:

index file.

close

public void close()
           throws java.io.FileNotFoundException,
                  java.io.IOException

Description copied from interface: Index

Release all resources. After call this method all operations on this object are invalid.

Specified by:

close in interface Index

Throws:

java.io.FileNotFoundException

java.io.IOException

To do:

Document, HIGH Uncomment when close will be work correctly.