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Represents information for flow analysis. A FlowSet is an element of a lattice; this lattice might be described by a FlowUniverse. If add, remove, size, isEmpty, toList and contains are implemented, the lattice must be the powerset of some set.
Method Summary | |
void |
add(java.lang.Object obj,
FlowSet dest)
Adds obj to dest . |
void |
clear()
Sets this FlowSet to the empty set (more generally, the bottom element of the lattice.) |
java.lang.Object |
clone()
Clones the current FlowSet. |
boolean |
contains(java.lang.Object obj)
Returns true if this FlowSet contains obj . |
void |
copy(FlowSet dest)
Copies the current FlowSet into dest. |
void |
difference(FlowSet other,
FlowSet dest)
Returns the set difference (this join ~other) of this FlowSet and other , putting result into dest . |
void |
intersection(FlowSet other,
FlowSet dest)
Returns the intersection (meet) of this FlowSet and other , putting result into dest . |
boolean |
isEmpty()
Returns true if this FlowSet is the empty set. |
void |
remove(java.lang.Object obj,
FlowSet dest)
Removes obj from dest . |
int |
size()
Returns the size of the current FlowSet. |
java.util.List |
toList()
Returns an unbacked list of contained objects for this FlowSet. |
void |
union(FlowSet other,
FlowSet dest)
Returns the union (join) of this FlowSet and other , putting result into dest . |
Method Detail |
public java.lang.Object clone()
public void copy(FlowSet dest)
public void clear()
public void union(FlowSet other, FlowSet dest)
other
, putting result into dest
.public void intersection(FlowSet other, FlowSet dest)
other
, putting result into dest
.public void difference(FlowSet other, FlowSet dest)
other
, putting result into dest
.public boolean isEmpty()
public int size() throws java.lang.UnsupportedOperationException
public void add(java.lang.Object obj, FlowSet dest) throws java.lang.UnsupportedOperationException
obj
to dest
. (optional operation)public void remove(java.lang.Object obj, FlowSet dest) throws java.lang.UnsupportedOperationException
obj
from dest
. (optional operation)public boolean contains(java.lang.Object obj) throws java.lang.UnsupportedOperationException
obj
. (optional operation)public java.util.List toList() throws java.lang.UnsupportedOperationException
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