org.teiid.query.resolver.util

Class AccessPattern

java.lang.Object

org.teiid.query.resolver.util.AccessPattern

All Implemented Interfaces:

Cloneable, Comparable<AccessPattern>

public class AccessPattern
extends Object
implements Comparable<AccessPattern>, Cloneable

This class represents both virtual and physical access patterns. If a virtual access pattern is initially unsatisfied, it may be transformed by RuleMergeVirtual. In this case, the history of the access pattern will contain its previous definitions.

Constructor Summary

Constructors

Constructor and Description
AccessPattern(Collection<ElementSymbol> elements)

Method Summary

Modifier and Type	Method and Description
void	addElementHistory(Collection<ElementSymbol> elements)
Object	clone()
int	compareTo(AccessPattern other)
Collection<ElementSymbol>	getCurrentElements()
LinkedList<Collection<ElementSymbol>>	getHistory()
Set<ElementSymbol>	getUnsatisfied()
void	setUnsatisfied(Set<ElementSymbol> unstaisfied)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AccessPattern

public AccessPattern(Collection<ElementSymbol> elements)

Method Detail

getCurrentElements

public Collection<ElementSymbol> getCurrentElements()

addElementHistory

public void addElementHistory(Collection<ElementSymbol> elements)

getHistory

public LinkedList<Collection<ElementSymbol>> getHistory()

Returns:

Returns the history.

getUnsatisfied

public Set<ElementSymbol> getUnsatisfied()

Returns:

Returns the unsatisfied.

setUnsatisfied

public void setUnsatisfied(Set<ElementSymbol> unstaisfied)

Parameters:

unstaisfied - The unsatisfied to set.

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()

compareTo

public int compareTo(AccessPattern other)

Specified by:

compareTo in interface Comparable<AccessPattern>

clone

public Object clone()

Overrides:

clone in class Object

See Also:

Object.clone()