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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

All known Subclasses:   com.sleepycat.collections .StoredCollection,  com.sleepycat.collections .StoredMap,
StoredContainer
abstract public class StoredContainer implements Cloneable(Code)
A abstract base class for all stored collections and maps. This class provides implementations of methods that are common to the java.util.Collection and the java.util.Map interfaces, namely StoredContainer.clear , StoredContainer.isEmpty and StoredContainer.size .
In addition, this class provides the following methods for stored collections only. Note that the use of these methods is not compatible with the standard Java collections interface.

StoredContainer.isWriteAllowed()

StoredContainer.isSecondary()

StoredContainer.isOrdered()

StoredContainer.areDuplicatesAllowed()

StoredContainer.areDuplicatesOrdered()

StoredContainer.areKeysRenumbered()

StoredContainer.getCursorConfig()

StoredContainer.isTransactional()

author:
   Mark Hayes

Field Summary
DataView view


Constructor Summary
StoredContainer(DataView view)


Method Summary
final public boolean areDuplicatesAllowed()
     Returns whether duplicate keys are allowed in this container.
final public boolean areDuplicatesOrdered()
     Returns whether duplicate keys are allowed and sorted by element value.
final public boolean areKeysRenumbered()
     Returns whether keys are renumbered when insertions and deletions occur.
final boolean beginAutoCommit()

public void clear()
     Removes all mappings or elements from this map or collection (optional operation).
final void closeCursor(DataCursor cursor)

final void commitAutoCommit(boolean doAutoCommit)

final StoredContainer configuredClone(CursorConfig config)
     Clones a container with a specified cursor configuration.
boolean containsKey(Object key)

boolean containsValue(Object value)

static RuntimeException convertException(Exception e)

Object get(Object key)

final public CursorConfig getCursorConfig()
     Returns the cursor configuration that is used for all operations performed via this container.
final RuntimeException handleException(Exception e, boolean doAutoCommit)

void initAfterClone()
     Override this method to initialize view-dependent fields.
final public boolean isDirtyRead()

final public boolean isDirtyReadAllowed()
     Returns whether read-uncommitted is allowed for this container.
public boolean isEmpty()
     Returns true if this map or collection contains no mappings or elements.
final public boolean isOrdered()
     Returns whether keys are ordered in this container.
final public boolean isSecondary()
     Returns whether this container is a view on a secondary database rather than directly on a primary database.
final public boolean isTransactional()
     Returns whether the databases underlying this container are transactional.
final public boolean isWriteAllowed()
     Returns true if this is a read-write container or false if this is a read-only container.
Object put(Object key, Object value)

final boolean removeKey(Object key, Object[] oldVal)

final boolean removeValue(Object value)

abstract public int size()
     Returns a non-transactional count of the records in the collection or map.
final Iterator storedOrExternalIterator(Collection coll)
     Returns a StoredIterator if the given collection is a StoredCollection, else returns a regular/external Iterator.

Field Detail
view
DataView view(Code)

Constructor Detail
StoredContainer
StoredContainer(DataView view)(Code)

Method Detail
areDuplicatesAllowed
final public boolean areDuplicatesAllowed()(Code)
Returns whether duplicate keys are allowed in this container. Duplicates are optionally allowed for HASH and BTREE databases. This method does not exist in the standard java.util.Map or java.util.Collection interfaces.
Note that the JE product only supports BTREE databases.
whether duplicates are allowed.

areDuplicatesOrdered
final public boolean areDuplicatesOrdered()(Code)
Returns whether duplicate keys are allowed and sorted by element value. Duplicates are optionally sorted for HASH and BTREE databases. This method does not exist in the standard java.util.Map or java.util.Collection interfaces.
Note that the JE product only supports BTREE databases, and duplicates are always sorted.
whether duplicates are ordered.

areKeysRenumbered
final public boolean areKeysRenumbered()(Code)
Returns whether keys are renumbered when insertions and deletions occur. Keys are optionally renumbered for RECNO databases. This method does not exist in the standard java.util.Map or java.util.Collection interfaces.
Note that the JE product does not support RECNO databases, and therefore keys are never renumbered.
whether keys are renumbered.

beginAutoCommit
final boolean beginAutoCommit()(Code)

clear
public void clear()(Code)
Removes all mappings or elements from this map or collection (optional operation). This method conforms to the java.util.Collection.clear and java.util.Map.clear interfaces.
throws:
  UnsupportedOperationException - if the container is read-only.
throws:
  RuntimeExceptionWrapper - if a DatabaseException is thrown.

closeCursor
final void closeCursor(DataCursor cursor)(Code)

commitAutoCommit
final void commitAutoCommit(boolean doAutoCommit) throws DatabaseException(Code)

configuredClone
final StoredContainer configuredClone(CursorConfig config)(Code)
Clones a container with a specified cursor configuration.

containsKey
boolean containsKey(Object key)(Code)

containsValue
boolean containsValue(Object value)(Code)

convertException
static RuntimeException convertException(Exception e)(Code)

get
Object get(Object key)(Code)

getCursorConfig
final public CursorConfig getCursorConfig()(Code)
Returns the cursor configuration that is used for all operations performed via this container. For example, if CursorConfig.getReadUncommitted returns true, data will be read that is modified but not committed. This method does not exist in the standard java.util.Map or java.util.Collection interfaces. the cursor configuration, or null if no configuration has beenspecified.

handleException
final RuntimeException handleException(Exception e, boolean doAutoCommit)(Code)

initAfterClone
void initAfterClone()(Code)
Override this method to initialize view-dependent fields.

isDirtyRead
final public boolean isDirtyRead()(Code)
StoredContainer.getCursorConfig

isDirtyReadAllowed
final public boolean isDirtyReadAllowed()(Code)
Returns whether read-uncommitted is allowed for this container. For the JE product, read-uncommitted is always allowed; for the DB product, read-uncommitted is allowed if it was configured for the underlying database for this container. Even when read-uncommitted is allowed it must specifically be enabled by calling one of the StoredCollections methods. This method does not exist in the standard java.util.Map or java.util.Collection interfaces. whether read-uncommitted is allowed.

isEmpty
public boolean isEmpty()(Code)
Returns true if this map or collection contains no mappings or elements. This method conforms to the java.util.Collection.isEmpty and java.util.Map.isEmpty interfaces. whether the container is empty.
throws:
  RuntimeExceptionWrapper - if a DatabaseException is thrown.

isOrdered
final public boolean isOrdered()(Code)
Returns whether keys are ordered in this container. Keys are ordered for BTREE, RECNO and QUEUE database. This method does not exist in the standard java.util.Map or java.util.Collection interfaces.
Note that the JE product only support BTREE databases, and therefore keys are always ordered.
whether keys are ordered.

isSecondary
final public boolean isSecondary()(Code)
Returns whether this container is a view on a secondary database rather than directly on a primary database. This method does not exist in the standard java.util.Map or java.util.Collection interfaces. whether the view is for a secondary database.

isTransactional
final public boolean isTransactional()(Code)
Returns whether the databases underlying this container are transactional. Even in a transactional environment, a database will be transactional only if it was opened within a transaction or if the auto-commit option was specified when it was opened. This method does not exist in the standard java.util.Map or java.util.Collection interfaces. whether the database is transactional.

isWriteAllowed
final public boolean isWriteAllowed()(Code)
Returns true if this is a read-write container or false if this is a read-only container. This method does not exist in the standard java.util.Map or java.util.Collection interfaces. whether write is allowed.

put
Object put(Object key, Object value)(Code)

removeKey
final boolean removeKey(Object key, Object[] oldVal)(Code)

removeValue
final boolean removeValue(Object value)(Code)

size
abstract public int size()(Code)
Returns a non-transactional count of the records in the collection or map. This method conforms to the java.util.Collection.size and java.util.Map.size interfaces.
This operation is faster than obtaining a count by scanning the collection manually, and will not perturb the current contents of the cache. However, the count is not guaranteed to be accurate if there are concurrent updates.

throws:
  RuntimeExceptionWrapper - if a DatabaseException is thrown.

storedOrExternalIterator
final Iterator storedOrExternalIterator(Collection coll)(Code)
Returns a StoredIterator if the given collection is a StoredCollection, else returns a regular/external Iterator. The iterator returned should be closed with the static method StoredIterator.close(Iterator).

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)

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