edu.neu.ccs.demeter.dj
Class Strategy

java.lang.Object
  |
  +--edu.neu.ccs.demeter.aplib.sg.Strategy
        |
        +--edu.neu.ccs.demeter.dj.Strategy

All Implemented Interfaces:

StrategyI

public class Strategy

extends Strategy

A strategy determining a set of paths through a class graph or a slice of an object graph.

Constructor Summary

Strategy(Reader in)
Parse a strategy expression from a char stream.

Strategy(Reader in, Map env)
Parse a strategy expression from a char stream.

Strategy(String s)
Parse a strategy expression from a string.

Strategy(String s, Map env)
Parse a strategy expression from a string.

Method Summary

Set	getSourceNames() An unmodifiable set of symbolic names that the source nodes in the strategy graph map to, or null if the strategy can start at any class graph node.
Set	getTargetNames() An unmodifiable set of symbolic names that the target nodes in the strategy graph map to, or null if the strategy can finish at any class graph node.
static String	getVersion() The DJ version string.
boolean	isSimpleStrategy()
boolean	isStrategyCombination()
SimpleStrategyI	toSimpleStrategy()
StrategyCombinationI	toStrategyCombination()
String	toString()

Methods inherited from class edu.neu.ccs.demeter.aplib.sg.Strategy

__trav_attachEnv, clone, fromString, fromString, readFrom, readFrom, readFrom, readFrom

Methods inherited from class java.lang.Object

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

Constructor Detail

Strategy

public Strategy(Reader in)
         throws StrategyParseException

Parse a strategy expression from a char stream.

Strategy

public Strategy(String s)
         throws StrategyParseException

Parse a strategy expression from a string.

Strategy

public Strategy(Reader in,
                Map env)
         throws StrategyParseException

Parse a strategy expression from a char stream. Strategy references are resolved by looking them up in the provided environent.

Strategy

public Strategy(String s,
                Map env)
         throws StrategyParseException

Parse a strategy expression from a string. Strategy references are resolved by looking them up in the provided environent.

Method Detail

getVersion

public static String getVersion()

The DJ version string.

isSimpleStrategy

public boolean isSimpleStrategy()

Specified by:

isSimpleStrategy in interface StrategyI

Overrides:

isSimpleStrategy in class Strategy

toSimpleStrategy

public SimpleStrategyI toSimpleStrategy()

Specified by:

toSimpleStrategy in interface StrategyI

Overrides:

toSimpleStrategy in class Strategy

isStrategyCombination

public boolean isStrategyCombination()

Specified by:

isStrategyCombination in interface StrategyI

Overrides:

isStrategyCombination in class Strategy

toStrategyCombination

public StrategyCombinationI toStrategyCombination()

Specified by:

toStrategyCombination in interface StrategyI

Overrides:

toStrategyCombination in class Strategy

getSourceNames

public Set getSourceNames()

An unmodifiable set of symbolic names that the source nodes in the strategy graph map to, or null if the strategy can start at any class graph node.

Specified by:

getSourceNames in class Strategy

getTargetNames

public Set getTargetNames()

An unmodifiable set of symbolic names that the target nodes in the strategy graph map to, or null if the strategy can finish at any class graph node.

Specified by:

getTargetNames in class Strategy

toString

public String toString()

Overrides:

toString in class Object