Package org.teiid.query.sql.util

Class SymbolMap

java.lang.Object

org.teiid.query.sql.util.SymbolMap

public class SymbolMap
extends Object

Constructor Summary

Constructors

Constructor	Description
SymbolMap()

Method Summary

Modifier and Type	Method	Description
boolean	addMapping(ElementSymbol symbol, Expression expression)
Map<ElementSymbol,Expression>	asMap()
Map<ElementSymbol,Expression>	asUpdatableMap()
SymbolMap	clone()
static SymbolMap	createSymbolMap(List<ElementSymbol> virtualElements, List<? extends Expression> mappedCols)
static SymbolMap	createSymbolMap(GroupSymbol virtualGroup, List<? extends Expression> projectCols, QueryMetadataInterface metadata)
static Expression	getExpression(Expression symbol)
List<ElementSymbol>	getKeys()
Expression	getMappedExpression(ElementSymbol symbol)
List<Expression>	getValues()
Map<Expression,ElementSymbol>	inserseMapping()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SymbolMap

public SymbolMap()

Method Detail

clone

public SymbolMap clone()

Overrides:

clone in class Object

inserseMapping

public Map<Expression,ElementSymbol> inserseMapping()

addMapping

public boolean addMapping(ElementSymbol symbol,
                          Expression expression)

Returns:

true if the map did not already contained the given symbol

getExpression

public static final Expression getExpression(Expression symbol)

getMappedExpression

public Expression getMappedExpression(ElementSymbol symbol)

asUpdatableMap

public Map<ElementSymbol,Expression> asUpdatableMap()

asMap

public Map<ElementSymbol,Expression> asMap()

getKeys

public List<ElementSymbol> getKeys()

getValues

public List<Expression> getValues()

createSymbolMap

public static final SymbolMap createSymbolMap(GroupSymbol virtualGroup,
                                              List<? extends Expression> projectCols,
                                              QueryMetadataInterface metadata)
                                       throws QueryMetadataException,
                                              TeiidComponentException

Throws:

QueryMetadataException

TeiidComponentException

createSymbolMap

public static final SymbolMap createSymbolMap(List<ElementSymbol> virtualElements,
                                              List<? extends Expression> mappedCols)

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()