org.apache.ignite.internal.processors.datastructures

Class GridCacheSemaphoreState

java.lang.Object

org.apache.ignite.internal.processors.datastructures.AtomicDataStructureValue

org.apache.ignite.internal.processors.datastructures.VolatileAtomicDataStructureValue

org.apache.ignite.internal.processors.datastructures.GridCacheSemaphoreState

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, GridCacheInternal

public class GridCacheSemaphoreState
extends VolatileAtomicDataStructureValue
implements Cloneable

Grid cache semaphore state.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GridCacheSemaphoreState() Empty constructor required for Externalizable.
GridCacheSemaphoreState(int cnt, @Nullable Map<UUID,Integer> waiters, boolean failoverSafe, long gridStartTime) Constructor.

Method Summary

Modifier and Type	Method and Description
Object	clone()
int	getCount()
Map<UUID,Integer>	getWaiters()
long	gridStartTime()
boolean	isBroken()
boolean	isFailoverSafe()
void	readExternal(ObjectInput in)
void	setBroken(boolean broken)
void	setCount(int cnt)
void	setWaiters(Map<UUID,Integer> waiters)
String	toString()
DataStructureType	type()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

GridCacheSemaphoreState

public GridCacheSemaphoreState(int cnt,
                               @Nullable
                               @Nullable Map<UUID,Integer> waiters,
                               boolean failoverSafe,
                               long gridStartTime)

Constructor.

Parameters:

cnt - Number of permissions.

waiters - Waiters map.

failoverSafe - Failover safe flag.

gridStartTime - Cluster start time.

GridCacheSemaphoreState

public GridCacheSemaphoreState()

Empty constructor required for Externalizable.

Method Detail

type

public DataStructureType type()

Specified by:

type in class AtomicDataStructureValue

Returns:

Data structure type.

gridStartTime

public long gridStartTime()

Specified by:

gridStartTime in class VolatileAtomicDataStructureValue

Returns:

Grid start time.

setCount

public void setCount(int cnt)

Parameters:

cnt - New count.

getCount

public int getCount()

Returns:

Current count.

getWaiters

public Map<UUID,Integer> getWaiters()

Returns:

Waiters.

setWaiters

public void setWaiters(Map<UUID,Integer> waiters)

Parameters:

waiters - Map containing the number of permissions acquired by each node.

isFailoverSafe

public boolean isFailoverSafe()

Returns:

failoverSafe flag.

isBroken

public boolean isBroken()

Returns:

broken flag.

setBroken

public void setBroken(boolean broken)

Parameters:

broken - Flag indicating that this semaphore should be no longer used.

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class Object

Throws:

CloneNotSupportedException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object