Package EDU.oswego.cs.dl.util.concurrent
Class SyncSortedMap
- java.lang.Object
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- EDU.oswego.cs.dl.util.concurrent.SyncMap
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- EDU.oswego.cs.dl.util.concurrent.SyncSortedMap
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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.- See Also:
SyncCollection
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Field Summary
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Fields inherited from class EDU.oswego.cs.dl.util.concurrent.SyncMap
c_, rd_, syncFailures_, wr_
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Constructor Summary
Constructors Constructor Description 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 sync)
Create a new SyncSortedMap protecting the given map, and using the given sync to control both 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.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected SortedMap
baseSortedMap()
Comparator
comparator()
Object
firstKey()
SortedMap
headMap(Object toElement)
Object
lastKey()
SortedMap
subMap(Object fromElement, Object toElement)
SortedMap
tailMap(Object fromElement)
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Methods inherited from class EDU.oswego.cs.dl.util.concurrent.SyncMap
afterRead, beforeRead, clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, readerSync, remove, size, syncFailures, values, writerSync
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface java.util.Map
clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, equals, forEach, get, getOrDefault, hashCode, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size
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Constructor Detail
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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.
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SyncSortedMap
public SyncSortedMap(SortedMap map, ReadWriteLock rwl)
Create a new SyncSortedMap protecting the given map, and using the given ReadWriteLock to control reader and writer methods.
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Method Detail
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baseSortedMap
protected SortedMap baseSortedMap()
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comparator
public Comparator comparator()
- Specified by:
comparator
in interfaceSortedMap
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