Package org.teiid.query.metadata

Class TempMetadataStore

java.lang.Object

org.teiid.query.metadata.TempMetadataStore

All Implemented Interfaces:

Serializable

public class TempMetadataStore
extends Object
implements Serializable

Store for temporary metadata discovering while resolving a query.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
TempMetadataStore()	Constructor for TempMetadataStore.
TempMetadataStore(NavigableMap<String,TempMetadataID> data)	Constructor for TempMetadataStore that takes a set of data to use.

Method Summary

Modifier and Type	Method	Description
TempMetadataID	addElementSymbolToTempGroup(String tempGroup, Expression symbol)	Add a element symbol to the already created temp group.
void	addElementToTempGroup(String tempGroup, ElementSymbol symbol)
TempMetadataID	addTempGroup(String tempGroup, List tempSymbols)	Add a temp group and all it's elements
TempMetadataID	addTempGroup(String tempGroup, List<? extends Expression> tempSymbols, boolean isVirtual, boolean isTempTable)	Add a temp group and all it's elements
TempMetadataID	addTempGroup(String tempGroup, List tempSymbols, boolean isVirtual)	Add a temp group and all it's elements
TempMetadataStore	clone()
NavigableMap<String,TempMetadataID>	getData()	Get all temp group and element metadata
List<TempMetadataID>	getTempElementElementIDs(String tempGroup)	Get temporary element ID based on group and element name parts
TempMetadataID	getTempElementID(String tempElement)	Get temporary element ID based on full element name
TempMetadataID	getTempGroupID(String tempGroup)	Get temporary group ID based on group name
TempMetadataID	removeTempGroup(String tempGroup)

Methods inherited from class java.lang.Object

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

Constructor Detail

TempMetadataStore

public TempMetadataStore()

Constructor for TempMetadataStore.

TempMetadataStore

public TempMetadataStore(NavigableMap<String,TempMetadataID> data)

Constructor for TempMetadataStore that takes a set of data to use. If the parameter is null, a new empty Map will beused instead.

Parameters:

data - Map of upper case group name to group TempMetadataID object

Method Detail

clone

public TempMetadataStore clone()

Overrides:

clone in class Object

getData

public NavigableMap<String,TempMetadataID> getData()

Get all temp group and element metadata

addTempGroup

public TempMetadataID addTempGroup(String tempGroup,
                                   List tempSymbols)

Add a temp group and all it's elements

Parameters:

tempGroup - Name of temp group

tempSymbols - List of ElementSymbol in position order

addTempGroup

public TempMetadataID addTempGroup(String tempGroup,
                                   List tempSymbols,
                                   boolean isVirtual)

Add a temp group and all it's elements

Parameters:

tempGroup - Name of temp group

tempSymbols - List of ElementSymbol in position order

isVirtual - whether or not the group is a virtual group

addTempGroup

public TempMetadataID addTempGroup(String tempGroup,
                                   List<? extends Expression> tempSymbols,
                                   boolean isVirtual,
                                   boolean isTempTable)

Add a temp group and all it's elements

Parameters:

tempGroup - Name of temp group

tempSymbols - List of ElementSymbol in position order

isVirtual - whether or not the group is a virtual group

isTempTable - whether or not the group is a temporary table

addElementSymbolToTempGroup

public TempMetadataID addElementSymbolToTempGroup(String tempGroup,
                                                  Expression symbol)

Add a element symbol to the already created temp group. If added successfully then it will return the metadata id for the added element. otherwise it will return null.

Parameters:

tempGroup - - temp group name

symbol - - element to be added

Returns:

metadata id.

getTempGroupID

public TempMetadataID getTempGroupID(String tempGroup)

Get temporary group ID based on group name

Parameters:

tempGroup - Group name

Returns:

Metadata ID or null if not found

getTempElementID

public TempMetadataID getTempElementID(String tempElement)

Get temporary element ID based on full element name

Parameters:

tempElement - Element name

Returns:

Metadata ID or null if not found

getTempElementElementIDs

public List<TempMetadataID> getTempElementElementIDs(String tempGroup)

Get temporary element ID based on group and element name parts

Parameters:

tempGroup - Group name

Returns:

Metadata ID or null if not found

addElementToTempGroup

public void addElementToTempGroup(String tempGroup,
                                  ElementSymbol symbol)

removeTempGroup

public TempMetadataID removeTempGroup(String tempGroup)