com.sun.enterprise.admin.monitor.stats

Class BoundedRangeStatisticImpl

java.lang.Object

com.sun.enterprise.admin.monitor.stats.StatisticImpl

com.sun.enterprise.admin.monitor.stats.BoundedRangeStatisticImpl

All Implemented Interfaces:

Serializable, javax.management.j2ee.statistics.BoundaryStatistic, javax.management.j2ee.statistics.BoundedRangeStatistic, javax.management.j2ee.statistics.RangeStatistic, javax.management.j2ee.statistics.Statistic

public final class BoundedRangeStatisticImpl
extends StatisticImpl
implements javax.management.j2ee.statistics.BoundedRangeStatistic

An implementation of a BoundedRangeStatistic. All instances of this class are immutable. Provides all the necessary accessors for properties.

Since:

S1AS8.0

Author:

Muralidhar Vempaty, Kedar Mhaswade

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static long	DEFAULT_MAX_BOUND DEFAULT_UPPER_BOUND is maximum value Long can attain
static long	DEFAULT_MIN_BOUND DEFAULT_LOWER_BOUND is same as DEFAULT_VALUE i.e.

Fields inherited from class com.sun.enterprise.admin.monitor.stats.StatisticImpl

DEFAULT_UNIT, DEFAULT_VALUE, NEWLINE

Constructor Summary

Constructors

Constructor and Description
BoundedRangeStatisticImpl(long curVal, long highMark, long lowMark, long upper, long lower, String name, String unit, String desc, long startTime, long sampleTime) Constructs an immutable instance of BoundedRangeStatisticImpl.
BoundedRangeStatisticImpl(String name) A constructor that creates an instance of class.
BoundedRangeStatisticImpl(String name, String unit) A constructor that creates an instance of class.
BoundedRangeStatisticImpl(String name, String unit, long value) A constructor that creates an instance of class.
BoundedRangeStatisticImpl(String name, String unit, long value, long max, long min) A constructor that creates an instance of class.
BoundedRangeStatisticImpl(String name, String unit, long value, long max, long min, long highMark, long lowMark) A constructor that creates an instance of class.
BoundedRangeStatisticImpl(String name, String unit, String desc, long value, long max, long min) A constructor that creates an instance of class.

Method Summary

Modifier and Type	Method and Description
long	getCurrent() Returns the current value of this statistic.
long	getHighWaterMark() Returns the highest value of this statistic, since measurement started.
long	getLowerBound() Return the lowest possible value, that this statistic is permitted to attain.
long	getLowWaterMark() Returns the lowest value of this statistic, since measurement started.
long	getUpperBound() Returns the highest possible value, that this statistic is permitted to attain.
String	toString()

Methods inherited from class com.sun.enterprise.admin.monitor.stats.StatisticImpl

getDescription, getLastSampleTime, getName, getStartTime, getUnit, setDescription

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.management.j2ee.statistics.Statistic

getDescription, getLastSampleTime, getName, getStartTime, getUnit

Field Detail

DEFAULT_MAX_BOUND

public static final long DEFAULT_MAX_BOUND

DEFAULT_UPPER_BOUND is maximum value Long can attain

See Also:

Constant Field Values

DEFAULT_MIN_BOUND

public static final long DEFAULT_MIN_BOUND

DEFAULT_LOWER_BOUND is same as DEFAULT_VALUE i.e. 0

Constructor Detail

BoundedRangeStatisticImpl

public BoundedRangeStatisticImpl(String name)

A constructor that creates an instance of class. Following are the defaults:

• Unit is defaulted to empty string.
• Description is calculated from the name passed in. This may well be read from a properties file to address i18n.
• LastSampleTime is time at the time of calling this method.
• StartTime is the same as LastSampleTime.
• Current Value is initialized to StatisticImpl#DEFAULT_VALUE.
• UpperBound is initialized to StatisticImpl#DEFAULT_MAX_BOUND.
• LowerBound is initialized to StatisticImpl#DEFAULT_MIN_BOUND.
• HighWaterMark is initialized to Current Value.
• LowWaterMark is initialized to Current Value.

Parameters:

name - String that indicates the name of this statistic

BoundedRangeStatisticImpl

public BoundedRangeStatisticImpl(String name,
                                 String unit)

A constructor that creates an instance of class. Following are the defaults:

• Description is calculated from the name passed in. This may well be read from a properties file to address i18n.
• LastSampleTime is time at the time of calling this method.
• StartTime is the same as LastSampleTime.
• Current Value is initialized to StatisticImpl#DEFAULT_VALUE.
• UpperBound is initialized to StatisticImpl#DEFAULT_MAX_BOUND.
• LowerBound is initialized to StatisticImpl#DEFAULT_MIN_BOUND.
• HighWaterMark is initialized to Current Value.
• LowWaterMark is initialized to Current Value.

Parameters:

name - String that indicates the name of this statistic

unit - String that indicates the unit of this statistic

BoundedRangeStatisticImpl

public BoundedRangeStatisticImpl(String name,
                                 String unit,
                                 String desc,
                                 long value,
                                 long max,
                                 long min)

A constructor that creates an instance of class. Following are the defaults:

• Description is calculated from the name passed in. This may well be read from a properties file to address i18n.
• LastSampleTime is time at the time of calling this method.
• StartTime is the same as LastSampleTime.
• UpperBound is initialized to StatisticImpl#DEFAULT_MAX_BOUND.
• LowerBound is initialized to StatisticImpl#DEFAULT_MIN_BOUND.
• HighWaterMark is initialized to Current Value.
• LowWaterMark is initialized to Current Value.

Parameters:

name - String that indicates the name of this statistic

unit - String that indicates the unit of this statistic

desc - A brief description of the statistic

BoundedRangeStatisticImpl

public BoundedRangeStatisticImpl(String name,
                                 String unit,
                                 long value)

A constructor that creates an instance of class. Following are the defaults:

• LastSampleTime is time at the time of calling this method.
• StartTime is the same as LastSampleTime.
• UpperBound is initialized to StatisticImpl#DEFAULT_MAX_BOUND.
• LowerBound is initialized to StatisticImpl#DEFAULT_MIN_BOUND.
• HighWaterMark is initialized to Current Value.
• LowWaterMark is initialized to Current Value.

Parameters:

name - String that indicates the name of this statistic

unit - String that indicates the unit of this statistic

BoundedRangeStatisticImpl

public BoundedRangeStatisticImpl(String name,
                                 String unit,
                                 long value,
                                 long max,
                                 long min)

A constructor that creates an instance of class. Following are the defaults:

• Description is calculated from the name passed in. This may well be read from a properties file to address i18n.
• LastSampleTime is time at the time of calling this method.
• StartTime is the same as LastSampleTime.
• HighWaterMark is initialized to Current Value.
• LowWaterMark is initialized to Current Value.

Parameters:

name - String that indicates the name of this statistic

unit - String that indicates the unit of this statistic

value - long that indicates the initial value of this statistic

max - long that indicates the maximum permissible value of this statistic

min - long that indicates the minimum permissible value of this statistic

BoundedRangeStatisticImpl

public BoundedRangeStatisticImpl(String name,
                                 String unit,
                                 long value,
                                 long max,
                                 long min,
                                 long highMark,
                                 long lowMark)

A constructor that creates an instance of class. Following are the defaults:

• Description is calculated from the name passed in. This may well be read from a properties file to address i18n.
• LastSampleTime is time at the time of calling this method.
• StartTime is the same as LastSampleTime.

Parameters:

name - String that indicates the name of this statistic

unit - String that indicates the unit of this statistic

value - long that indicates the initial value of this statistic

max - long that indicates the maximum permissible value of this statistic

min - long that indicates the minimum permissible value of this statistic

highMark - long that indicates the high watermark value of this statistic

lowMark - long that indicates the low watermark value of this statistic

BoundedRangeStatisticImpl

public BoundedRangeStatisticImpl(long curVal,
                                 long highMark,
                                 long lowMark,
                                 long upper,
                                 long lower,
                                 String name,
                                 String unit,
                                 String desc,
                                 long startTime,
                                 long sampleTime)

Constructs an immutable instance of BoundedRangeStatisticImpl.

Parameters:

curVal - The current value of this statistic

highMark - The highest value of this statistic, since measurement started

lowMark - The lowest value of this statistic, since measurement started

upper - The upper limit of this statistic

lower - The lower limit of this statistic

name - The name of the statistic

unit - The unit of measurement for this statistic

desc - A brief description of the statistic

startTime - Time in milliseconds at which the measurement was started

sampleTime - Time at which the last measurement was done.

Method Detail

toString

public String toString()

Overrides:

toString in class StatisticImpl

getCurrent

public long getCurrent()

Returns the current value of this statistic.

Specified by:

getCurrent in interface javax.management.j2ee.statistics.RangeStatistic

Returns:

long indicating the current value

getHighWaterMark

public long getHighWaterMark()

Returns the highest value of this statistic, since measurement started.

Specified by:

getHighWaterMark in interface javax.management.j2ee.statistics.RangeStatistic

Returns:

long indicating high water mark

getLowWaterMark

public long getLowWaterMark()

Returns the lowest value of this statistic, since measurement started.

Specified by:

getLowWaterMark in interface javax.management.j2ee.statistics.RangeStatistic

Returns:

long indicating low water mark

getLowerBound

public long getLowerBound()

Return the lowest possible value, that this statistic is permitted to attain.

Specified by:

getLowerBound in interface javax.management.j2ee.statistics.BoundaryStatistic

Returns:

long indicating the lower bound

getUpperBound

public long getUpperBound()

Returns the highest possible value, that this statistic is permitted to attain.

Specified by:

getUpperBound in interface javax.management.j2ee.statistics.BoundaryStatistic

Returns:

long indicating the higher bound