Interface Configuration
-
- All Superinterfaces:
Serializable
- All Known Subinterfaces:
ActivityConfiguration
,ChangeableActivityConfiguration
,ChangeableConfiguration
,MergingActivityConfiguration
,MergingConfiguration
public interface Configuration extends Serializable
A configuration object provides the means to access configuration values type-safe. Valid data types are the Java equivalents of the usualProcessConstants.AdeptDataType
s. Each configuration belongs to aConfigurationDescription
, that provides more information on a configuration value. This includes the type, restrictions and a description. The configuration description can be retrieved from the entity that provided this configuration.Since a text-based file is a common representation of a configuration, all values may be
retrieved as string
. However, this interface allows type-safe access and thus encapsulates parsing. If the parsing fails, null will be returned (except forgetString(String)
).
Besides an invalid value type, null will also be returned if no appropriate configuration value is present. This also excludesgetString(String)
which may return the empty string or null instead.
A string value may either be empty or null. Null corresponds to a non-present configuration entry (similar to a map not having a specific key). The empty string represents a present configuration entry having no defined value (similar to a map having a key without value).- Author:
- Ulrich Kreher
-
-
Nested Class Summary
Nested Classes Modifier and Type Interface Description static class
Configuration.ConfigurationIDs
The IDs for configurations, seegetConfigurationID(String)
.
-
Field Summary
Fields Modifier and Type Field Description static long
serialVersionUID
Generated ID for serialisation.
-
Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description Set<String>
getAllEntries()
Gets all entry names that have a value different from null in this configuration.Boolean
getBoolean(String entryName)
Gets the boolean configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to a boolean value.String
getConfigurationID(String entryName)
Gets the ID of the configuration object, the designated entry name stems from.Date
getDate(String entryName)
Gets theDate
configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to aDate
value.Double
getFloat(String entryName)
Gets the float configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to a double value.Long
getInteger(String entryName)
Gets the integer configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to a long value.String
getString(String entryName)
Gets the configuration value provided under the designated entry name as string which will always work even if the designated entry has another type.byte[]
getUDT(String entryName)
Gets theUDTValue
configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to abyte[]
value.URI
getURI(String entryName)
Gets the URI configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to a URI value.boolean
isFixed(String entryName)
Gets whether the configuration value provided under the designated entry name can not be changed either be explicitly setting the value or overriding it.
-
-
-
Field Detail
-
serialVersionUID
static final long serialVersionUID
Generated ID for serialisation.- See Also:
- Constant Field Values
-
-
Method Detail
-
getBoolean
Boolean getBoolean(String entryName)
Gets the boolean configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to a boolean value.- Parameters:
entryName
- The name of the entry for which to retrieve the boolean value of.- Returns:
- A boolean configuration value for the designated entry or null in case the value is not present or cannot be parsed to a boolean value.
-
getInteger
Long getInteger(String entryName)
Gets the integer configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to a long value.- Parameters:
entryName
- The name of the entry for which to retrieve the long value of.- Returns:
- A long configuration value for the designated entry or null in case the value is not present or cannot be parsed to a long value.
-
getFloat
Double getFloat(String entryName)
Gets the float configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to a double value.- Parameters:
entryName
- The name of the entry for which to retrieve the double value of.- Returns:
- A double configuration value for the designated entry or null in case the value is not present or cannot be parsed to a double value.
-
getString
String getString(String entryName)
Gets the configuration value provided under the designated entry name as string which will always work even if the designated entry has another type. If the value is not present, null will be returned. The value may also be the empty string which will be interpreted as null in type-safe access methods.- Parameters:
entryName
- The name of the entry for which to retrieve the string representation of the configuration value of.- Returns:
- A (string representation of the) configuration value for the designated entry or null in case the value is not present.
-
getURI
URI getURI(String entryName)
Gets the URI configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to a URI value.- Parameters:
entryName
- The name of the entry for which to retrieve the URI value of.- Returns:
- A URI configuration value for the designated entry or null in case the value is not present or cannot be parsed to a URI value.
-
getDate
Date getDate(String entryName)
Gets theDate
configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to aDate
value.- Parameters:
entryName
- The name of the entry for which to retrieve theDate
value of.- Returns:
- A
Date
configuration value for the designated entry or null in case the value is not present or cannot be parsed to aDate
value.
-
getUDT
byte[] getUDT(String entryName)
Gets theUDTValue
configuration value provided under the designated entry name or null if the value is not present or cannot be parsed to abyte[]
value.- Parameters:
entryName
- The name for the entry for which to retrieve thebyte[]
value of.- Returns:
- A
byte[]
configuration value for the designated entry or null in case the value is not present or cannot be parsed to abyte[]
value.
-
isFixed
boolean isFixed(String entryName)
Gets whether the configuration value provided under the designated entry name can not be changed either be explicitly setting the value or overriding it.- Parameters:
entryName
- The name for the entry for which to retrieve whether the configuration value must not be changed.- Returns:
- Whether the configuration value for the designated entry must not be changed.
-
getAllEntries
Set<String> getAllEntries()
Gets all entry names that have a value different from null in this configuration.- Returns:
- All entry names that have a value different from null in this configuration.
-
getConfigurationID
String getConfigurationID(String entryName)
Gets the ID of the configuration object, the designated entry name stems from. This is useful for inherited/merged configurations when checking for invalid configuration values. This allows to provide a reasonable message indicating the problem, for instance "ActivityTemplateDefinition" in case of an overriding configuration of anActivityTemplateDefinition
containing an invalid value.- Parameters:
entryName
- The name of the entry of which to retrieve the ID of its configuration.- Returns:
- The ID of the configuration providing a value for the designated entry.
- See Also:
Configuration.ConfigurationIDs
-
-