com.metamatrix.query.resolver.util
Class AccessPattern

java.lang.Object
  com.metamatrix.query.resolver.util.AccessPattern

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Comparable<AccessPattern>

public class AccessPattern
extends java.lang.Object
implements java.lang.Comparable<AccessPattern>, java.lang.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

AccessPattern(java.util.Collection<ElementSymbol> elements)

Method Summary

void	addElementHistory(java.util.Collection<ElementSymbol> elements)
java.lang.Object	clone()
int	compareTo(AccessPattern other)
java.util.Collection<ElementSymbol>	getCurrentElements()
java.util.LinkedList<java.util.Collection<ElementSymbol>>	getHistory()
java.util.Set<ElementSymbol>	getUnsatisfied()
void	setUnsatisfied(java.util.Set<ElementSymbol> unstaisfied)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

AccessPattern

public AccessPattern(java.util.Collection<ElementSymbol> elements)

Method Detail

getCurrentElements

public java.util.Collection<ElementSymbol> getCurrentElements()

addElementHistory

public void addElementHistory(java.util.Collection<ElementSymbol> elements)

getHistory

public java.util.LinkedList<java.util.Collection<ElementSymbol>> getHistory()

Returns:

Returns the history.

getUnsatisfied

public java.util.Set<ElementSymbol> getUnsatisfied()

Returns:

Returns the unsatisfied.

setUnsatisfied

public void setUnsatisfied(java.util.Set<ElementSymbol> unstaisfied)

Parameters:

unstaisfied - The unsatisfied to set.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

compareTo

public int compareTo(AccessPattern other)

Specified by:

compareTo in interface java.lang.Comparable<AccessPattern>

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

See Also:

Object.clone()