Java Doc for StoredKeySet.java in  » JMX » je » com » sleepycat » collections » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » JMX » je » com.sleepycat.collections   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.sleepycat.collections.StoredContainer       com.sleepycat.collections.StoredCollection          com.sleepycat.collections.StoredKeySet All known Subclasses:   com.sleepycat.collections.StoredSortedKeySet, StoredKeySet public class StoredKeySet extends StoredCollection implements Set(Code) The Set returned by Map.keySet() and which can also be constructed directly if a Map is not needed. Since this collection is a set it only contains one element for each key, even when duplicates are allowed. Key set iterators are therefore particularly useful for enumerating the unique keys of a store or index that allows duplicates. author:    Mark Hayes Constructor Summary public   StoredKeySet(Database database, EntryBinding keyBinding, boolean writeAllowed)      Creates a key set view of a Database .   StoredKeySet(DataView keySetView)      Method Summary public  boolean add(Object key)      Adds the specified key to this set if it is not already present (optional operation). public  boolean contains(Object key)      Returns true if this set contains the specified key.  boolean hasValues()       boolean iterateDuplicates()       Object makeIteratorData(BaseIterator iterator, DatabaseEntry keyEntry, DatabaseEntry priKeyEntry, DatabaseEntry valueEntry)      public  boolean remove(Object key)      Removes the specified key from this set if it is present (optional operation). Constructor Detail StoredKeySet public StoredKeySet(Database database, EntryBinding keyBinding, boolean writeAllowed)(Code) Creates a key set view of a Database . Parameters:   database - is the Database underlying the new collection. Parameters:   keyBinding - is the binding used to translate between key buffersand key objects. Parameters:   writeAllowed - is true to create a read-write collection or falseto create a read-only collection. throws:   IllegalArgumentException - if formats are not consistentlydefined or a parameter is invalid. throws:   RuntimeExceptionWrapper - if a DatabaseException isthrown. StoredKeySet StoredKeySet(DataView keySetView)(Code) Method Detail add public boolean add(Object key)(Code) Adds the specified key to this set if it is not already present (optional operation). When a key is added the value in the underlying data store will be empty. This method conforms to the Set.add interface. throws:   UnsupportedOperationException - if the collection is indexed, orif the collection is read-only. throws:   RuntimeExceptionWrapper - if a DatabaseException isthrown. contains public boolean contains(Object key)(Code) Returns true if this set contains the specified key. This method conforms to the Set.contains interface. throws:   RuntimeExceptionWrapper - if a DatabaseException isthrown. hasValues boolean hasValues()(Code) iterateDuplicates boolean iterateDuplicates()(Code) makeIteratorData Object makeIteratorData(BaseIterator iterator, DatabaseEntry keyEntry, DatabaseEntry priKeyEntry, DatabaseEntry valueEntry)(Code) remove public boolean remove(Object key)(Code) Removes the specified key from this set if it is present (optional operation). If duplicates are allowed, this method removes all duplicates for the given key. This method conforms to the Set.remove interface. throws:   UnsupportedOperationException - if the collection is read-only. throws:   RuntimeExceptionWrapper - if a DatabaseException isthrown. Fields inherited from com.sleepycat.collections.StoredCollection final public static int DEFAULT_ITERATOR_BLOCK_SIZE(Code)(Java Doc) Methods inherited from com.sleepycat.collections.StoredCollection final boolean add(Object key, Object value)(Code)(Java Doc) public boolean addAll(Collection coll)(Code)(Java Doc) BlockIterator blockIterator()(Code)(Java Doc) void checkIterAddAllowed() throws UnsupportedOperationException(Code)(Java Doc) public boolean containsAll(Collection coll)(Code)(Java Doc) public boolean equals(Object other)(Code)(Java Doc) final Object getFirstOrLast(boolean doGetFirst)(Code)(Java Doc) int getIndexOffset()(Code)(Java Doc) public int getIteratorBlockSize()(Code)(Java Doc) abstract boolean hasValues()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) boolean iterateDuplicates()(Code)(Java Doc) public Iterator iterator()(Code)(Java Doc) public StoredIterator iterator(boolean writeAllowed)(Code)(Java Doc) public StoredIterator join(StoredContainer[] indices, Object[] indexKeys, JoinConfig joinConfig)(Code)(Java Doc) Object makeIteratorData(BaseIterator iterator, DataCursor cursor)(Code)(Java Doc) abstract Object makeIteratorData(BaseIterator iterator, DatabaseEntry keyEntry, DatabaseEntry priKeyEntry, DatabaseEntry valueEntry)(Code)(Java Doc) public boolean removeAll(Collection coll)(Code)(Java Doc) public boolean retainAll(Collection coll)(Code)(Java Doc) public void setIteratorBlockSize(int blockSize)(Code)(Java Doc) public int size()(Code)(Java Doc) public StoredIterator storedIterator()(Code)(Java Doc) public StoredIterator storedIterator(boolean writeAllowed)(Code)(Java Doc) public Object[] toArray()(Code)(Java Doc) public Object[] toArray(Object[] a)(Code)(Java Doc) public List toList()(Code)(Java Doc) public String toString()(Code)(Java Doc) Fields inherited from com.sleepycat.collections.StoredContainer DataView view(Code)(Java Doc) Methods inherited from com.sleepycat.collections.StoredContainer final public boolean areDuplicatesAllowed()(Code)(Java Doc) final public boolean areDuplicatesOrdered()(Code)(Java Doc) final public boolean areKeysRenumbered()(Code)(Java Doc) final boolean beginAutoCommit()(Code)(Java Doc) public void clear()(Code)(Java Doc) final void closeCursor(DataCursor cursor)(Code)(Java Doc) final void commitAutoCommit(boolean doAutoCommit) throws DatabaseException(Code)(Java Doc) final StoredContainer configuredClone(CursorConfig config)(Code)(Java Doc) boolean containsKey(Object key)(Code)(Java Doc) boolean containsValue(Object value)(Code)(Java Doc) static RuntimeException convertException(Exception e)(Code)(Java Doc) Object get(Object key)(Code)(Java Doc) final public CursorConfig getCursorConfig()(Code)(Java Doc) final RuntimeException handleException(Exception e, boolean doAutoCommit)(Code)(Java Doc) void initAfterClone()(Code)(Java Doc) final public boolean isDirtyRead()(Code)(Java Doc) final public boolean isDirtyReadAllowed()(Code)(Java Doc) public boolean isEmpty()(Code)(Java Doc) final public boolean isOrdered()(Code)(Java Doc) final public boolean isSecondary()(Code)(Java Doc) final public boolean isTransactional()(Code)(Java Doc) final public boolean isWriteAllowed()(Code)(Java Doc) Object put(Object key, Object value)(Code)(Java Doc) final boolean removeKey(Object key, Object[] oldVal)(Code)(Java Doc) final boolean removeValue(Object value)(Code)(Java Doc) abstract public int size()(Code)(Java Doc) final Iterator storedOrExternalIterator(Collection coll)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)