org.apache.ignite.internal.visor.node

Class VisorMemoryPolicyConfiguration

java.lang.Object

org.apache.ignite.internal.visor.VisorDataTransferObject

org.apache.ignite.internal.visor.node.VisorMemoryPolicyConfiguration

All Implemented Interfaces:

Externalizable, Serializable

public class VisorMemoryPolicyConfiguration
extends VisorDataTransferObject

Data transfer object for memory configuration.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.ignite.internal.visor.VisorDataTransferObject

V1, V2, V3, V4

Constructor Summary

Constructors

Constructor and Description
VisorMemoryPolicyConfiguration() Default constructor.
VisorMemoryPolicyConfiguration(DataRegionConfiguration plc) Constructor.

Method Summary

Modifier and Type	Method and Description
int	getEmptyPagesPoolSize()
double	getEvictionThreshold()
long	getInitialSize() Initial memory region size defined by this memory policy.
long	getMaxSize() Maximum memory region size defined by this memory policy.
String	getName() Unique name of DataRegion.
DataPageEvictionMode	getPageEvictionMode()
String	getSwapFilePath()
protected void	readExternalData(byte protoVer, ObjectInput in) Load object's specific data content.
String	toString()
protected void	writeExternalData(ObjectOutput out) Save object's specific data content.

Methods inherited from class org.apache.ignite.internal.visor.VisorDataTransferObject

getProtocolVersion, readExternal, toList, toSet, writeExternal

Methods inherited from class java.lang.Object

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

Constructor Detail

VisorMemoryPolicyConfiguration

public VisorMemoryPolicyConfiguration()

Default constructor.

VisorMemoryPolicyConfiguration

public VisorMemoryPolicyConfiguration(DataRegionConfiguration plc)

Constructor.

Parameters:

plc - Memory policy configuration.

Method Detail

getName

public String getName()

Unique name of DataRegion.

getMaxSize

public long getMaxSize()

Maximum memory region size defined by this memory policy.

getInitialSize

public long getInitialSize()

Initial memory region size defined by this memory policy.

getSwapFilePath

public String getSwapFilePath()

Returns:

Path for memory mapped file.

getPageEvictionMode

public DataPageEvictionMode getPageEvictionMode()

Returns:

Memory pages eviction algorithm. DataPageEvictionMode.DISABLED used by default.

getEvictionThreshold

public double getEvictionThreshold()

Returns:

Memory pages eviction threshold.

getEmptyPagesPoolSize

public int getEmptyPagesPoolSize()

Returns:

Minimum number of empty pages in reuse list.

writeExternalData

protected void writeExternalData(ObjectOutput out)
                          throws IOException

Save object's specific data content.

Specified by:

writeExternalData in class VisorDataTransferObject

Parameters:

out - Output object to write data content.

Throws:

IOException - If I/O errors occur.

readExternalData

protected void readExternalData(byte protoVer,
                                ObjectInput in)
                         throws IOException,
                                ClassNotFoundException

Load object's specific data content.

Specified by:

readExternalData in class VisorDataTransferObject

Parameters:

protoVer - Input object version.

in - Input object to load data content.

Throws:

IOException - If I/O errors occur.

ClassNotFoundException - If the class for an object being restored cannot be found.

toString

public String toString()

Overrides:

toString in class Object