com.redhat.lightblue.mediator

Class DefaultMetadataResolver

java.lang.Object

com.redhat.lightblue.mediator.DefaultMetadataResolver

All Implemented Interfaces:

MetadataResolver, Serializable

public class DefaultMetadataResolver
extends Object
implements MetadataResolver, Serializable

This implementation combines the implementations for GetMetadata interface used by CompositeMetadata, and MetadataResolver interface used by the CRUD subsystem to access metadata by name.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DefaultMetadataResolver(Metadata metadata) Constructs the metadata resolver with the given metadata implementation

Method Summary

Methods

Modifier and Type	Method and Description
CompositeMetadata	getCompositeMetadata() Returns the composite metadata for this operation
EntityMetadata	getEntityMetadata(String entityName) Returns the version of the entity metadata relevant in the current operation
Set<String>	getMetadataRoles() Return all roles referenced in metadata
CompositeMetadata	getTopLevelEntityMetadata() Returns the top level entity metadata
String	getTopLevelEntityName() Returns the top level entity name
String	getTopLevelEntityVersion() Returns the top level entity version
void	initialize(String entityName, String entityVersion, QueryExpression query, Projection projection) This method builds the composite metadata for the given top level entity name and entity version, for the given query and projections

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultMetadataResolver

public DefaultMetadataResolver(Metadata metadata)

Constructs the metadata resolver with the given metadata implementation

Method Detail

initialize

public void initialize(String entityName,
              String entityVersion,
              QueryExpression query,
              Projection projection)

This method builds the composite metadata for the given top level entity name and entity version, for the given query and projections

getTopLevelEntityName

public String getTopLevelEntityName()

Returns the top level entity name

getTopLevelEntityVersion

public String getTopLevelEntityVersion()

Returns the top level entity version

getTopLevelEntityMetadata

public CompositeMetadata getTopLevelEntityMetadata()

Returns the top level entity metadata

getEntityMetadata

public EntityMetadata getEntityMetadata(String entityName)

Returns the version of the entity metadata relevant in the current operation

Specified by:

getEntityMetadata in interface MetadataResolver

getCompositeMetadata

public CompositeMetadata getCompositeMetadata()

Returns the composite metadata for this operation

getMetadataRoles

public Set<String> getMetadataRoles()

Return all roles referenced in metadata