org.cdlib.xtf.lazyTree

Class LazyHashMap

Object

LazyHashMap

All Implemented Interfaces:

Map

public class LazyHashMap
extends Object
implements Map

A very light wrapper that puts a Map interface over a DiskHashReader for use with lazy keys.

Author:

Martin Haye

Nested Class Summary

Nested classes/interfaces inherited from interface Map

Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
private LazyDocument	doc
private DiskHashReader	reader

Constructor Summary

Constructors

Constructor and Description
LazyHashMap(LazyDocument doc, DiskHashReader reader) Construct a hash map to read keys from a DiskHashReader

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set	entrySet()
Object	get(Object key) Get the list of nodes associated with a given key.
boolean	isEmpty()
Set	keySet()
Object	put(Object key, Object value)
void	putAll(Map t)
Object	remove(Object key)
int	size()
Collection	values()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Field Detail

doc

private LazyDocument doc

reader

private DiskHashReader reader

Constructor Detail

LazyHashMap

public LazyHashMap(LazyDocument doc,
                   DiskHashReader reader)

Construct a hash map to read keys from a DiskHashReader

Method Detail

get

public Object get(Object key)

Get the list of nodes associated with a given key.

Specified by:

get in interface Map

clear

public void clear()

Specified by:

clear in interface Map

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

keySet

public Set keySet()

Specified by:

keySet in interface Map

put

public Object put(Object key,
                  Object value)

Specified by:

put in interface Map

putAll

public void putAll(Map t)

Specified by:

putAll in interface Map

remove

public Object remove(Object key)

Specified by:

remove in interface Map

size

public int size()

Specified by:

size in interface Map

values

public Collection values()

Specified by:

values in interface Map