Package javax.time.calendar.zone
Interface ZoneRulesVersion
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public interface ZoneRulesVersion
A version of time-zone rules from a single group.Zone rule data is provided by organizations or groups. Each group provides multiple versions of their data over time. This interface models one version of data.
ZoneRulesVersion is a service provider interface that can be called by multiple threads. Implementations must be immutable and thread-safe.
Implementations are responsible for caching.
- Author:
- Stephen Colebourne
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description Set<String>
getRegionIDs()
Gets the complete set of provided region IDs, such as 'Europe/Paris'.String
getVersionID()
Gets the time-zone version ID of the data available via this provider, such as '2010e'.ZoneRules
getZoneRules(String regionID)
Gets the zone rules for the specified region ID.boolean
isRegionID(String regionID)
Checks if the region ID is valid.
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Method Detail
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getVersionID
String getVersionID()
Gets the time-zone version ID of the data available via this provider, such as '2010e'.Version IDs must match regex
[A-Za-z0-9._-]+
.- Returns:
- the ID of the group, never null
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isRegionID
boolean isRegionID(String regionID)
Checks if the region ID is valid.- Parameters:
regionID
- the region ID, null returns false- Returns:
- true if the specified region ID is valid for this group and version
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getRegionIDs
Set<String> getRegionIDs()
Gets the complete set of provided region IDs, such as 'Europe/Paris'.Region IDs must match regex
[A-Za-z0-9%@~/+._-]+
.- Returns:
- the provided region IDs, unmodifiable, never null
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