com.prosyst.mprm.backend.statistics.spi

Interface MergeProvider

All Known Implementing Classes:

MergeProvider.Average, MergeProvider.Max, MergeProvider.Min, MergeProvider.Sum

public interface MergeProvider

Merges set of values. It could be used for merging values while merging current values.
Instances of such providers shall be registered into the OSGi registry in order to be used by the statistics service.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	MergeProvider.Average Average statistic.
static class	MergeProvider.Max Maximum statistic.
static class	MergeProvider.Min Minimum statistic.
static class	MergeProvider.Sum Count statistic.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	AVERAGE
static MergeProvider	AVERAGE_MP
static java.lang.String	MAX
static MergeProvider	MAX_MP
static java.lang.String	MIN
static MergeProvider	MIN_MP
static java.lang.String	SUM
static MergeProvider	SUM_MP

Method Summary

Modifier and Type	Method and Description
java.lang.String	getName() The name of the summary provider.
java.lang.Number	merge(java.util.List<java.lang.Number> numbers) Merges the numbers according to the merger policy.

Field Detail

SUM

static final java.lang.String SUM

See Also:

Constant Field Values

MIN

static final java.lang.String MIN

See Also:

Constant Field Values

MAX

static final java.lang.String MAX

See Also:

Constant Field Values

AVERAGE

static final java.lang.String AVERAGE

See Also:

Constant Field Values

SUM_MP

static final MergeProvider SUM_MP

MIN_MP

static final MergeProvider MIN_MP

MAX_MP

static final MergeProvider MAX_MP

AVERAGE_MP

static final MergeProvider AVERAGE_MP

Method Detail

getName

java.lang.String getName()

The name of the summary provider.

Returns:

the name.

merge

java.lang.Number merge(java.util.List<java.lang.Number> numbers)

Merges the numbers according to the merger policy.

Parameters:

report - the report that needs summary.

reportProvider - report provider used by the report.