org.teiid.dqp.internal.process.multisource
Class MultiSourceMetadataWrapper

java.lang.Object
  org.teiid.query.metadata.BasicQueryMetadataWrapper
      org.teiid.dqp.internal.process.multisource.MultiSourceMetadataWrapper

All Implemented Interfaces:

QueryMetadataInterface

public class MultiSourceMetadataWrapper
extends BasicQueryMetadataWrapper

This classs is a proxy to QueryMetadataInterface. It knows VDBService and VNB name.

Field Summary

Fields inherited from class org.teiid.query.metadata.BasicQueryMetadataWrapper

actualMetadata

Fields inherited from interface org.teiid.query.metadata.QueryMetadataInterface

UNKNOWN_CARDINALITY

Constructor Summary

MultiSourceMetadataWrapper(QueryMetadataInterface actualMetadata, java.util.Set<java.lang.String> multiSourceModels)

Method Summary

boolean	elementSupports(java.lang.Object elementID, int elementConstant) Determine whether the specified element supports some feature.
java.lang.Object	getDefaultValue(java.lang.Object elementID) Get the element's default value for an element symbol
QueryMetadataInterface	getDesignTimeMetadata() Get the metadata without visibility and session tables
int	getDistinctValues(java.lang.Object elementID) Get the number of distinct values for this column.
java.lang.Object	getElementID(java.lang.String elementName) Get the metadata-implementation identifier object for the given element name.
java.util.List	getElementIDsInGroupID(java.lang.Object groupID) Get list of metadata element IDs for a group ID
int	getElementLength(java.lang.Object elementID) Get the element length for a given element ID.
java.lang.String	getElementType(java.lang.Object elementID) Get the element type name for an element symbol.
java.util.Properties	getExtensionProperties(java.lang.Object metadataID) Get all extension properties defined on this metadata object
java.lang.String	getFullName(java.lang.Object metadataID) Get the fully qualified (unique) name of the metadata identifier specified.
java.lang.Object	getGroupIDForElementID(java.lang.Object elementID) Get containg group ID given element ID
static java.lang.String	getGroupName(java.lang.String fullElementName)
java.lang.Object	getMaximumValue(java.lang.Object elementID) Get the element's default value for an element symbol
java.lang.Object	getMinimumValue(java.lang.Object elementID) Get the element's minimum value for an element symbol
java.lang.Object	getModelID(java.lang.Object groupOrElementID) Get the metadata-implementation identifier object for the model containing the specified group or element ID.
java.lang.String	getName(java.lang.Object metadataID) Get the name of the metadata identifier specified.
java.lang.String	getNameInSource(java.lang.Object metadataID) Get the name in source of the metadata identifier specified.
java.lang.String	getNativeType(java.lang.Object elementID) Get the native type of the element specified.
int	getNullValues(java.lang.Object elementID) Get the number of distinct values for this column.
int	getPosition(java.lang.Object elementID) Get the element's position in the group
int	getPrecision(java.lang.Object elementID) Get the element's precision
int	getRadix(java.lang.Object elementID) Get the element's radix
int	getScale(java.lang.Object elementID) Get the element's scale
boolean	isMultiSource(java.lang.Object modelId)
boolean	isMultiSourceElement(java.lang.Object elementId)

Methods inherited from class org.teiid.query.metadata.BasicQueryMetadataWrapper

addToMetadataCache, getAccessPatternsInGroup, getBinaryVDBResource, getCardinality, getCharacterVDBResource, getDeletePlan, getElementIDsInAccessPattern, getElementIDsInIndex, getElementIDsInKey, getForeignKeysInGroup, getFormat, getFromMetadataCache, getFunctionLibrary, getGroupID, getGroupsForPartialName, getIndexesInGroup, getInsertPlan, getMappingNode, getMaterialization, getMaterializationStage, getMaxSetSize, getModeledBaseType, getModeledPrimitiveType, getModeledType, getPrimaryKey, getPrimaryKeyIDForForeignKeyID, getSessionMetadata, getStoredProcedureInfoForProcedure, getUniqueKeysInGroup, getUpdatePlan, getVDBResourcePaths, getVirtualDatabaseName, getVirtualPlan, getXMLSchemas, getXMLTempGroups, groupSupports, hasMaterialization, hasProcedure, isProcedure, isScalarGroup, isTemporaryTable, isVirtualGroup, isVirtualModel, isXMLGroup, modelSupports

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiSourceMetadataWrapper

public MultiSourceMetadataWrapper(QueryMetadataInterface actualMetadata,
                                  java.util.Set<java.lang.String> multiSourceModels)

Method Detail

getGroupName

public static java.lang.String getGroupName(java.lang.String fullElementName)

getElementID

public java.lang.Object getElementID(java.lang.String elementName)
                              throws TeiidComponentException,
                                     QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the metadata-implementation identifier object for the given element name.

Specified by:

getElementID in interface QueryMetadataInterface

Overrides:

getElementID in class BasicQueryMetadataWrapper

Parameters:

elementName - Fully qualified element name

Returns:

Metadata identifier for this element

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getElementID(java.lang.String)

getModelID

public java.lang.Object getModelID(java.lang.Object groupOrElementID)
                            throws TeiidComponentException,
                                   QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the metadata-implementation identifier object for the model containing the specified group or element ID.

Specified by:

getModelID in interface QueryMetadataInterface

Overrides:

getModelID in class BasicQueryMetadataWrapper

Parameters:

groupOrElementID - Metadata group or element ID

Returns:

Metadata identifier for the model

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getModelID(java.lang.Object)

getFullName

public java.lang.String getFullName(java.lang.Object metadataID)
                             throws TeiidComponentException,
                                    QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the fully qualified (unique) name of the metadata identifier specified. This metadata identifier was previously returned by some other method.

Specified by:

getFullName in interface QueryMetadataInterface

Overrides:

getFullName in class BasicQueryMetadataWrapper

Parameters:

metadataID - Metadata identifier

Returns:

Metadata identifier for this model

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getFullName(java.lang.Object)

getName

public java.lang.String getName(java.lang.Object metadataID)
                         throws TeiidComponentException,
                                QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the name of the metadata identifier specified. This metadata identifier was previously returned by some other method.

Specified by:

getName in interface QueryMetadataInterface

Overrides:

getName in class BasicQueryMetadataWrapper

Parameters:

metadataID - Metadata identifier

Returns:

Metadata identifier for this model

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

getElementIDsInGroupID

public java.util.List getElementIDsInGroupID(java.lang.Object groupID)
                                      throws TeiidComponentException,
                                             QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get list of metadata element IDs for a group ID

Specified by:

getElementIDsInGroupID in interface QueryMetadataInterface

Overrides:

getElementIDsInGroupID in class BasicQueryMetadataWrapper

Parameters:

groupID - Group ID

Returns:

List of Object, where each object is a metadata elementID for element within group

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getElementIDsInGroupID(java.lang.Object)

getGroupIDForElementID

public java.lang.Object getGroupIDForElementID(java.lang.Object elementID)
                                        throws TeiidComponentException,
                                               QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get containg group ID given element ID

Specified by:

getGroupIDForElementID in interface QueryMetadataInterface

Overrides:

getGroupIDForElementID in class BasicQueryMetadataWrapper

Parameters:

elementID - Element ID

Returns:

Group ID containing elementID

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getGroupIDForElementID(java.lang.Object)

getElementType

public java.lang.String getElementType(java.lang.Object elementID)
                                throws TeiidComponentException,
                                       QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element type name for an element symbol. These types are defined in DataTypeManager.DefaultDataTypes.

Specified by:

getElementType in interface QueryMetadataInterface

Overrides:

getElementType in class BasicQueryMetadataWrapper

Returns:

The element data type

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getElementType(java.lang.Object)

getDefaultValue

public java.lang.Object getDefaultValue(java.lang.Object elementID)
                                 throws TeiidComponentException,
                                        QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element's default value for an element symbol

Specified by:

getDefaultValue in interface QueryMetadataInterface

Overrides:

getDefaultValue in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The default value of the element

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getDefaultValue(java.lang.Object)

getMinimumValue

public java.lang.Object getMinimumValue(java.lang.Object elementID)
                                 throws TeiidComponentException,
                                        QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element's minimum value for an element symbol

Specified by:

getMinimumValue in interface QueryMetadataInterface

Overrides:

getMinimumValue in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The minimum value of the element

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getMinimumValue(java.lang.Object)

getMaximumValue

public java.lang.Object getMaximumValue(java.lang.Object elementID)
                                 throws TeiidComponentException,
                                        QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element's default value for an element symbol

Specified by:

getMaximumValue in interface QueryMetadataInterface

Overrides:

getMaximumValue in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The maximum value of the element

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getMaximumValue(java.lang.Object)

getDistinctValues

public int getDistinctValues(java.lang.Object elementID)
                      throws TeiidComponentException,
                             QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the number of distinct values for this column. Negative values (typically -1) indicate that the NDV is unknown. Only applicable for physical columns.

Specified by:

getDistinctValues in interface QueryMetadataInterface

Overrides:

getDistinctValues in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The number of distinct values of this element in the data source

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getDistinctValues(java.lang.Object)

getNullValues

public int getNullValues(java.lang.Object elementID)
                  throws TeiidComponentException,
                         QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the number of distinct values for this column. Negative values (typically -1) indicate that the NDV is unknown. Only applicable for physical columns.

Specified by:

getNullValues in interface QueryMetadataInterface

Overrides:

getNullValues in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The number of distinct values of this element in the data source

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getNullValues(java.lang.Object)

getPosition

public int getPosition(java.lang.Object elementID)
                throws TeiidComponentException,
                       QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element's position in the group

Specified by:

getPosition in interface QueryMetadataInterface

Overrides:

getPosition in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The position of the element

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getPosition(java.lang.Object)

getPrecision

public int getPrecision(java.lang.Object elementID)
                 throws TeiidComponentException,
                        QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element's precision

Specified by:

getPrecision in interface QueryMetadataInterface

Overrides:

getPrecision in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The precision of the element

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getPrecision(java.lang.Object)

getScale

public int getScale(java.lang.Object elementID)
             throws TeiidComponentException,
                    QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element's scale

Specified by:

getScale in interface QueryMetadataInterface

Overrides:

getScale in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The scale of the element

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getScale(java.lang.Object)

getRadix

public int getRadix(java.lang.Object elementID)
             throws TeiidComponentException,
                    QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element's radix

Specified by:

getRadix in interface QueryMetadataInterface

Overrides:

getRadix in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The radix of the element

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getRadix(java.lang.Object)

elementSupports

public boolean elementSupports(java.lang.Object elementID,
                               int elementConstant)
                        throws TeiidComponentException,
                               QueryMetadataException

Description copied from interface: QueryMetadataInterface

Determine whether the specified element supports some feature.

Specified by:

elementSupports in interface QueryMetadataInterface

Overrides:

elementSupports in class BasicQueryMetadataWrapper

Parameters:

elementID - Element metadata ID

elementConstant - Constant from SupportConstants.Element

Returns:

True if element supports feature

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.elementSupports(java.lang.Object, int)

getExtensionProperties

public java.util.Properties getExtensionProperties(java.lang.Object metadataID)
                                            throws TeiidComponentException,
                                                   QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get all extension properties defined on this metadata object

Specified by:

getExtensionProperties in interface QueryMetadataInterface

Overrides:

getExtensionProperties in class BasicQueryMetadataWrapper

Parameters:

metadataID - Typically element, group, model, or procedure

Returns:

All extension properties for this object or null for none

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getExtensionProperties(java.lang.Object)

getNameInSource

public java.lang.String getNameInSource(java.lang.Object metadataID)
                                 throws TeiidComponentException,
                                        QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the name in source of the metadata identifier specified. This metadata identifier was previously returned by some other method.

Specified by:

getNameInSource in interface QueryMetadataInterface

Overrides:

getNameInSource in class BasicQueryMetadataWrapper

Parameters:

metadataID - Metadata identifier

Returns:

Name in source as a string.

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getNameInSource(java.lang.Object)

getElementLength

public int getElementLength(java.lang.Object elementID)
                     throws TeiidComponentException,
                            QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the element length for a given element ID. These types are defined in DataTypeManager.DefaultDataTypes.

Specified by:

getElementLength in interface QueryMetadataInterface

Overrides:

getElementLength in class BasicQueryMetadataWrapper

Parameters:

elementID - The element ID

Returns:

The element length

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getElementLength(java.lang.Object)

getNativeType

public java.lang.String getNativeType(java.lang.Object elementID)
                               throws TeiidComponentException,
                                      QueryMetadataException

Description copied from interface: QueryMetadataInterface

Get the native type of the element specified. This element identifier was previously returned by some other method.

Specified by:

getNativeType in interface QueryMetadataInterface

Overrides:

getNativeType in class BasicQueryMetadataWrapper

Parameters:

elementID - Element identifier

Returns:

Native type name

Throws:

QueryMetadataException - Metadata implementation detected a problem during the request

TeiidComponentException - Unexpected internal system problem during request

See Also:

QueryMetadataInterface.getNativeType(java.lang.Object)

isMultiSource

public boolean isMultiSource(java.lang.Object modelId)
                      throws QueryMetadataException,
                             TeiidComponentException

Specified by:

isMultiSource in interface QueryMetadataInterface

Overrides:

isMultiSource in class BasicQueryMetadataWrapper

Throws:

QueryMetadataException

TeiidComponentException

isMultiSourceElement

public boolean isMultiSourceElement(java.lang.Object elementId)
                             throws QueryMetadataException,
                                    TeiidComponentException

Specified by:

isMultiSourceElement in interface QueryMetadataInterface

Overrides:

isMultiSourceElement in class BasicQueryMetadataWrapper

Throws:

QueryMetadataException

TeiidComponentException

getDesignTimeMetadata

public QueryMetadataInterface getDesignTimeMetadata()

Description copied from interface: QueryMetadataInterface

Get the metadata without visibility and session tables

Specified by:

getDesignTimeMetadata in interface QueryMetadataInterface

Overrides:

getDesignTimeMetadata in class BasicQueryMetadataWrapper

Returns: