Interface IVSAMDataComponentCharacteristics
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public interface IVSAMDataComponentCharacteristics
VSAM data component characteristics.Examples:
To retrieve VSAM data component characteristics:IVSAMClusterCharacteristics vsamClusterCharacteristics = ... // get the VSAM data component characteristics from the VSAM cluster // characteristics IVSAMDataComponentCharacteristics vsamDataComponentCharacteristics = vsamClusterCharacteristics .getDataComponentCharacteristics();
For examples on how to retrieveIVSAMClusterCharacteristics
seeIVSAMClusterCharacteristics
.
For examples on how to retrieveIVSAMDataComponentStatistics
seeIVSAMDataComponentStatistics
.
For examples on how to retrieveIVSAMIndexComponentCharacteristics
seeIVSAMIndexComponentCharacteristics
.- Since:
- 1.0.0
- Version:
- 2.0.0
- See Also:
IVSAMClusterCharacteristics.getDataComponentCharacteristics()
- Restriction:
- This interface is not intended to be extended by clients.
- Restriction:
- This interface is not intended to be implemented by clients.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description AllocationUnit
getAllocationUnit()
Returns the allocation unit of the associated VSAM component.int
getAverageRecordSize()
Returns the average record size of the associated VSAM data component.int
getBufferSpace()
Returns the amount of buffer space (in bytes) that the associated VSAM data component has.float
getControlAreaPercentFreeSpace()
Returns the percentage of free space in the control area (CA) of the associated VSAM data component.float
getControlIntervalPercentFreeSpace()
Returns the percentage of free space in the control interval (CI) of the associated VSAM data component.int
getControlIntervalSize()
Returns the size of the control interval of the associated VSAM component.DeviceType
getDeviceType()
Returns the type of device on which the associated VSAM component resides.int
getExtentsAllocated()
Returns the number of extents allocated to the associated VSAM component.long
getHighestAllocatedRBA()
Returns the highest allocated relative byte address (RBA) in the associated VSAM component.long
getHighestUsedRBA()
Returns the highest used relative byte address (RBA) in the associated VSAM component.int
getKeyLength()
Returns the key length (in bytes) for the associated VSAM data component.int
getKeyPosition()
Returns the position offset (relative to zero) of where the key area starts within the record for the associated VSAM data component.LoadOption
getLoadOption()
Returns the load option of the associated VSAM data component.int
getMaximumRecordSize()
Returns the maximum record size of the associated VSAM data component.String
getName()
Returns the name of the associated VSAM component.int
getPrimaryUnitsAllocated()
Returns the number of primary (first extent) units that are allocated to the associated VSAM component.int
getRegionShareOption()
Returns the region share option for the associated VSAM component.int
getSecondaryUnitsAllocated()
Returns the number of secondary units that are allocated to the associated VSAM component.IVSAMDataComponentStatistics
getStatistics()
Returns the statistics of the associated VSAM data component.int
getSystemShareOption()
Returns the system share option for the associated VSAM component.String
getVolume()
Returns the volume on which the associated VSAM component resides.IVSAMClusterCharacteristics
getVSAMClusterCharacterisitcs()
Returns the associated VSAM cluster characteristics.boolean
isClusterReusable()
Returns whether the associated VSAM component's cluster is reusable.boolean
isEraseOnDeleteEnabled()
Returns whether records are erased after deletion for the associated VSAM data component.boolean
isRecordSpanEnabled()
Returns whether records can span control intervals for the associated VSAM data component.boolean
isWriteCheckEnabled()
Returns whether write checking is enabled for the associated VSAM component.
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Method Detail
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getVSAMClusterCharacterisitcs
IVSAMClusterCharacteristics getVSAMClusterCharacterisitcs()
Returns the associated VSAM cluster characteristics.- Returns:
- the VSAM cluster characteristics
- Since:
- 1.0.0
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getName
String getName()
Returns the name of the associated VSAM component.- Returns:
- the VSAM component name
- Since:
- 1.0.0
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getVolume
String getVolume()
Returns the volume on which the associated VSAM component resides.- Returns:
- the volume
- Since:
- 1.0.0
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getDeviceType
DeviceType getDeviceType()
Returns the type of device on which the associated VSAM component resides.- Returns:
- the device type
- Since:
- 1.0.0
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getAllocationUnit
AllocationUnit getAllocationUnit()
Returns the allocation unit of the associated VSAM component.- Returns:
- the allocation unit
- Since:
- 1.0.0
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getPrimaryUnitsAllocated
int getPrimaryUnitsAllocated()
Returns the number of primary (first extent) units that are allocated to the associated VSAM component.- Returns:
- the number of primary units allocated
- Since:
- 1.0.0
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getSecondaryUnitsAllocated
int getSecondaryUnitsAllocated()
Returns the number of secondary units that are allocated to the associated VSAM component.- Returns:
- the number of secondary units allocated
- Since:
- 1.0.0
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getControlIntervalSize
int getControlIntervalSize()
Returns the size of the control interval of the associated VSAM component.- Returns:
- the control interval size
- Since:
- 1.0.0
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isClusterReusable
boolean isClusterReusable()
Returns whether the associated VSAM component's cluster is reusable.- Returns:
true
if the associated VSAM component's cluster is reusable,false
otherwise- Since:
- 1.0.0
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isWriteCheckEnabled
boolean isWriteCheckEnabled()
Returns whether write checking is enabled for the associated VSAM component.- Returns:
true
if write checking is enabled,false
otherwise- Since:
- 1.0.0
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getRegionShareOption
int getRegionShareOption()
Returns the region share option for the associated VSAM component.- Returns:
- the region share option
- Since:
- 1.0.0
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getSystemShareOption
int getSystemShareOption()
Returns the system share option for the associated VSAM component.- Returns:
- the system share option
- Since:
- 1.0.0
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getExtentsAllocated
int getExtentsAllocated()
Returns the number of extents allocated to the associated VSAM component.- Returns:
- the number of extents allocated
- Since:
- 1.0.0
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getHighestAllocatedRBA
long getHighestAllocatedRBA()
Returns the highest allocated relative byte address (RBA) in the associated VSAM component.- Returns:
- the highest allocated RBA
- Since:
- 1.0.0
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getHighestUsedRBA
long getHighestUsedRBA()
Returns the highest used relative byte address (RBA) in the associated VSAM component.- Returns:
- the highest used RBA
- Since:
- 1.0.0
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getAverageRecordSize
int getAverageRecordSize()
Returns the average record size of the associated VSAM data component.-1 will be returned if the associated VSAM cluster had an organization type of
VSAMOrganization.LINEAR
- Returns:
- the average record size or
-1
- Since:
- 1.0.0
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getMaximumRecordSize
int getMaximumRecordSize()
Returns the maximum record size of the associated VSAM data component.-1 will be returned if the associated VSAM cluster had an organization type of
VSAMOrganization.LINEAR
- Returns:
- the maximum record size or
-1
- Since:
- 1.0.0
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getBufferSpace
int getBufferSpace()
Returns the amount of buffer space (in bytes) that the associated VSAM data component has.- Returns:
- the number of bytes of buffer space
- Since:
- 1.0.0
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getKeyPosition
int getKeyPosition()
Returns the position offset (relative to zero) of where the key area starts within the record for the associated VSAM data component.-1 will be returned if the associated VSAM cluster had an organization type of
VSAMOrganization.LINEAR
- Returns:
- the key position or
-1
- Since:
- 1.0.0
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getKeyLength
int getKeyLength()
Returns the key length (in bytes) for the associated VSAM data component.-1 will be returned if the associated VSAM cluster had an organization type of
VSAMOrganization.LINEAR
- Returns:
- the key length or
-1
- Since:
- 1.0.0
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isEraseOnDeleteEnabled
boolean isEraseOnDeleteEnabled()
Returns whether records are erased after deletion for the associated VSAM data component.- Returns:
true
if erase on delete is enabled,false
otherwise- Since:
- 1.0.0
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getLoadOption
LoadOption getLoadOption()
Returns the load option of the associated VSAM data component.- Returns:
- the load option
- Since:
- 1.0.0
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isRecordSpanEnabled
boolean isRecordSpanEnabled()
Returns whether records can span control intervals for the associated VSAM data component.false
will be returned if the associated VSAM cluster had an organization type ofVSAMOrganization.LINEAR
- Returns:
true
if records can span control intervals,false
otherwise- Since:
- 1.0.0
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getControlIntervalPercentFreeSpace
float getControlIntervalPercentFreeSpace()
Returns the percentage of free space in the control interval (CI) of the associated VSAM data component.- Returns:
- the percentage of CI free space
- Since:
- 1.0.0
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getControlAreaPercentFreeSpace
float getControlAreaPercentFreeSpace()
Returns the percentage of free space in the control area (CA) of the associated VSAM data component.- Returns:
- the percentage of CA free space
- Since:
- 1.0.0
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getStatistics
IVSAMDataComponentStatistics getStatistics()
Returns the statistics of the associated VSAM data component.- Returns:
- the VSAM data component statistics
- Since:
- 1.0.0
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