xal.ca.correlator

Class RecordFilterFactory

java.lang.Object

xal.ca.correlator.RecordFilterFactory

public class RecordFilterFactory
extends java.lang.Object

Factory for common ChannelRecordFilter instances.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RecordFilterFactory() Creates a new instance of RecordFilters

Method Summary

Modifier and Type	Method and Description
static RecordFilter<ChannelTimeRecord>	equalityDoubleFilter(double target) Generate a filter to Filter records checking for equality to the specified value.
static RecordFilter<ChannelTimeRecord>	exclusiveMaxDoubleFilter(double maxValue) Filter records with an upper exclusive limit on the value
static RecordFilter<ChannelTimeRecord>	exlusiveMinDoubleFilter(double minValue) Filter records with a lower exclusive limit on the value
static RecordFilter<ChannelTimeRecord>	maxDoubleFilter(double maxValue) Filter records with an upper inclusive limit on the value
static RecordFilter<ChannelTimeRecord>	maxSeverityFilter(int maxSeverity) Filter records with an upper limit on the severity
static RecordFilter<ChannelTimeRecord>	maxStatusFilter(int maxStatus) Filter records with an upper limit on the status
static RecordFilter<ChannelTimeRecord>	minDoubleFilter(double minValue) Filter records with a lower inclusive limit on the value
static RecordFilter<ChannelTimeRecord>	notFilter(RecordFilter<ChannelTimeRecord> filter) Generate a filter to filter records by checking that the specified filter is not fulfilled.
static RecordFilter<ChannelTimeRecord>	rangeDoubleFilter(double minValue, double maxValue) Filter records with an upper limit on the value

Methods inherited from class java.lang.Object

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

Constructor Detail

RecordFilterFactory

protected RecordFilterFactory()

Creates a new instance of RecordFilters

Method Detail

notFilter

public static RecordFilter<ChannelTimeRecord> notFilter(RecordFilter<ChannelTimeRecord> filter)

Generate a filter to filter records by checking that the specified filter is not fulfilled.

Parameters:

filter - The filter to negate

Returns:

a new filter which is opposite the specified filter

equalityDoubleFilter

public static RecordFilter<ChannelTimeRecord> equalityDoubleFilter(double target)

Generate a filter to Filter records checking for equality to the specified value.

Parameters:

target - the target value against which to check for equality

Returns:

a new equality filter

minDoubleFilter

public static RecordFilter<ChannelTimeRecord> minDoubleFilter(double minValue)

Filter records with a lower inclusive limit on the value

Parameters:

minValue - lower limit

Returns:

filter for records whose value is greater than or equal to the lower limit

exlusiveMinDoubleFilter

public static RecordFilter<ChannelTimeRecord> exlusiveMinDoubleFilter(double minValue)

Filter records with a lower exclusive limit on the value

Parameters:

minValue - lower limit

Returns:

filter for records whose value is strictly greater than the lower limit

maxDoubleFilter

public static RecordFilter<ChannelTimeRecord> maxDoubleFilter(double maxValue)

Filter records with an upper inclusive limit on the value

Parameters:

maxValue - upper limit

Returns:

filter for records whose value is less than or equal to the upper limit

exclusiveMaxDoubleFilter

public static RecordFilter<ChannelTimeRecord> exclusiveMaxDoubleFilter(double maxValue)

Filter records with an upper exclusive limit on the value

Parameters:

maxValue - upper limit

Returns:

filter for records whose value is strictly less than the upper limit

rangeDoubleFilter

public static RecordFilter<ChannelTimeRecord> rangeDoubleFilter(double minValue,
                                                                double maxValue)

Filter records with an upper limit on the value

Parameters:

minValue - Description of the Parameter

maxValue - Description of the Parameter

Returns:

Description of the Return Value

maxStatusFilter

public static RecordFilter<ChannelTimeRecord> maxStatusFilter(int maxStatus)

Filter records with an upper limit on the status

Parameters:

maxStatus - Description of the Parameter

Returns:

Description of the Return Value

maxSeverityFilter

public static RecordFilter<ChannelTimeRecord> maxSeverityFilter(int maxSeverity)

Filter records with an upper limit on the severity

Parameters:

maxSeverity - Description of the Parameter

Returns:

Description of the Return Value