EDU.oswego.cs.dl.util.concurrent

Class SyncSortedMap

public class SyncSortedMap extends SyncMap implements SortedMap

SyncSortedMaps wrap Sync-based control around java.util.SortedMaps. They support the following additional reader operations over SyncMap: comparator, subMap, headMap, tailMap, firstKey, lastKey.

[ Introduction to this package. ]

See Also:

Constructor Summary
	SyncSortedMap(SortedMap map, Sync sync) Create a new SyncSortedMap protecting the given map, and using the given sync to control both reader and writer methods.
	SyncSortedMap(SortedMap map, ReadWriteLock rwl) Create a new SyncSortedMap protecting the given map, and using the given ReadWriteLock to control reader and writer methods.
	SyncSortedMap(SortedMap map, Sync readLock, Sync writeLock) Create a new SyncSortedMap protecting the given map, and using the given pair of locks to control reader and writer methods.

Method Summary
protected SortedMap	baseSortedMap()
Comparator	comparator()
Object	firstKey()
SortedMap	headMap(Object toElement)
Object	lastKey()
SortedMap	subMap(Object fromElement, Object toElement)
SortedMap	tailMap(Object fromElement)

Constructor Detail

SyncSortedMap

public SyncSortedMap(SortedMap map, Sync sync)

Create a new SyncSortedMap protecting the given map, and using the given sync to control both reader and writer methods. Common, reasonable choices for the sync argument include Mutex, ReentrantLock, and Semaphores initialized to 1.