org.eclipse.net4j.util.io
Class SortedFileMap<K extends Comparable<K>,V>

java.lang.Object
  org.eclipse.net4j.util.io.SortedFileMap<K,V>

All Implemented Interfaces:

Closeable

Direct Known Subclasses:

CachedFileMap

public abstract class SortedFileMap<K extends Comparable<K>,V>

extends Object

implements Closeable

SortedFileMap

public SortedFileMap(File file,
                     String mode)

See Also:

RandomAccessFile.RandomAccessFile(File, String)

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Throws:

IOException

getFile

public File getFile()

getRandomAccessFile

public RandomAccessFile getRandomAccessFile()

getEntryCount

public long getEntryCount()

getEntrySize

public int getEntrySize()

getPosition

public long getPosition(long index)

getValuePosition

public long getValuePosition(long index)

getMaxKey

public K getMaxKey()

getKey

public K getKey(long index)

getValue

public V getValue(long index)

get

public V get(K key)

put

public V put(K key,
             V value)

search

protected long search(K key)
               throws IOException

Returns:

The index of the entry with the given key if the key exists, -(insertionIndex + 1) otherwise.

Throws:

IOException

getKeySize

public abstract int getKeySize()

readKey

protected abstract K readKey(ExtendedDataInput in)
                                            throws IOException

Throws:

IOException

writeKey

protected abstract void writeKey(ExtendedDataOutput out,
                                 K key)
                          throws IOException

Throws:

IOException

getValueSize

public abstract int getValueSize()

readValue

protected abstract V readValue(ExtendedDataInput in)
                        throws IOException

Throws:

IOException

writeValue

protected abstract void writeValue(ExtendedDataOutput out,
                                   V value)
                            throws IOException

Throws:

IOException