Package org.eclipse.ecf.core.identity
Class UuID.UuIDNamespace
- java.lang.Object
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- org.eclipse.ecf.core.identity.Namespace
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- org.eclipse.ecf.core.identity.UuID.UuIDNamespace
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- All Implemented Interfaces:
Serializable,org.eclipse.core.runtime.IAdaptable
- Enclosing class:
- UuID
public static class UuID.UuIDNamespace extends Namespace
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description static StringSCHEME-
Fields inherited from class org.eclipse.ecf.core.identity.Namespace
SCHEME_SEPARATOR
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Constructor Summary
Constructors Constructor Description UuIDNamespace()UuIDNamespace(String name, String description)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description IDcreateInstance(Object[] parameters)Make an instance of this namespace.StringgetScheme()Get the primary scheme associated with this namespace.Class<?>[][]getSupportedParameterTypes()Get the supported parameter types for IDs created via subsequent calls toNamespace.createInstance(Object[]).-
Methods inherited from class org.eclipse.ecf.core.identity.Namespace
equals, getAdapter, getCompareToForObject, getDescription, getHashCodeForID, getInitStringFromExternalForm, getName, getNameForID, getSupportedSchemes, hashCode, initialize, testIDEquals, toExternalForm, toString
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Field Detail
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SCHEME
public static final String SCHEME
- See Also:
- Constant Field Values
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Method Detail
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createInstance
public ID createInstance(Object[] parameters) throws IDCreateException
Description copied from class:NamespaceMake an instance of this namespace. Namespace subclasses, provided by plugins must implement this method to construct ID instances for the given namespace.
SeeNamespace.getSupportedParameterTypes()to get information relevant to deciding what parameter types are expected by this method.- Specified by:
createInstancein classNamespace- Parameters:
parameters- an Object[] of parameters for creating ID instances. May be null.- Returns:
- a non-null ID instance. The class used may extend BaseID or may implement the ID interface directly
- Throws:
IDCreateException- if construction fails
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getScheme
public String getScheme()
Description copied from class:NamespaceGet the primary scheme associated with this namespace. Subclasses must provide an implementation that returns a non-nullscheme identifier. Note that the returned scheme should not contain the Namespace.SCHEME_SEPARATOR (\":\").
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getSupportedParameterTypes
public Class<?>[][] getSupportedParameterTypes()
Description copied from class:NamespaceGet the supported parameter types for IDs created via subsequent calls toNamespace.createInstance(Object[]). Callers may use this method to determine the available parameter types, and then create and pass in conforming Object arrays to toNamespace.createInstance(Object[]).
An empty two-dimensional array (new Class[0][0]) is the default returned by this abstract superclass. This means that the Object [] passed toNamespace.createInstance(Object[])will be ignored.
Subsclasses should override this method to specify the parameters that they will accept in calls toNamespace.createInstance(Object[]). The rows of the returned Class array are the acceptable types for a given invocation of createInstance.
Consider the following example:public Class[][] getSupportedParameterTypes() { return new Class[][] { { String.class }, { String.class, String.class } }; }The above means that there are two acceptable values for the Object [] passed intoNamespace.createInstance(Object[]): 1) a single String, and 2) two Strings. These would therefore be acceptable as input to createInstance:ID newID1 = namespace.createInstance(new Object[] { "Hello" }); ID newID2 = namespace.createInstance(new Object[] { "Hello", "There"}};- Overrides:
getSupportedParameterTypesin classNamespace- Returns:
- Class [][] an array of class []s. Rows of the returned
two-dimensional array define the acceptable parameter types for a
single call to
Namespace.createInstance(Object[]). If zero-length Class arrays are returned (i.e. Class[0][0]), then Object [] parameters toNamespace.createInstance(Object[])will be ignored.
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