com.opengamma.strata.basics

Interface ReferenceDataId<T>

Type Parameters:

T - the type of the reference data this identifier refers to

All Known Implementing Classes:

HolidayCalendarId

public interface ReferenceDataId<T>

An identifier for a unique item of reference data.

Reference data is obtained from an instance of ReferenceData using this identifier.

Method Summary

Modifier and Type	Method and Description
Class<T>	getReferenceDataType() Gets the type of data this identifier refers to.
default T	queryValueOrNull(ReferenceData refData) Low-level method to query the reference data value associated with this identifier, returning null if not found.

Method Detail

getReferenceDataType

Class<T> getReferenceDataType()

Gets the type of data this identifier refers to.

Returns:

the type of the reference data this identifier refers to

queryValueOrNull

default T queryValueOrNull(ReferenceData refData)

Low-level method to query the reference data value associated with this identifier, returning null if not found.

This is a low-level method that obtains the reference data value, returning null instead of an error. Applications should use ReferenceData.getValue(ReferenceDataId) in preference to this method.

Parameters:

refData - the reference data to lookup the value in

Returns:

the reference data value, null if not found