org.osgi.service.dal

Interface OperationMetadata

public interface OperationMetadata

Contains metadata about function operation.

See Also:

Function, PropertyMetadata

Field Summary

Fields

Modifier and Type	Field and Description
static String	DESCRIPTION Metadata key, which value represents the operation description.

Method Summary

Modifier and Type	Method and Description
Map<String,?>	getMetadata() Returns metadata about the function operation.
PropertyMetadata[]	getParametersMetadata() Returns metadata about the operation parameters or null if no such metadata is available.
PropertyMetadata	getReturnValueMetadata() Returns metadata about the operation return value or null if no such metadata is available.

Field Detail

DESCRIPTION

static final String DESCRIPTION

Metadata key, which value represents the operation description. The property value type is java.lang.String.

See Also:

Constant Field Values

Method Detail

getMetadata

Map<String,?> getMetadata()

Returns metadata about the function operation. The keys of the java.util.Map result must be of java.lang.String type. Possible keys:

• DESCRIPTION
• custom key

Returns:

The operation metadata or null if no such metadata is available.

getReturnValueMetadata

PropertyMetadata getReturnValueMetadata()

Returns metadata about the operation return value or null if no such metadata is available.

Returns:

Operation return value metadata.

getParametersMetadata

PropertyMetadata[] getParametersMetadata()

Returns metadata about the operation parameters or null if no such metadata is available.

Returns:

Operation parameters metadata.