org.grouplens.grapht

Class Dependency

java.lang.Object

org.grouplens.grapht.Dependency

All Implemented Interfaces:

Serializable

public class Dependency
extends Object
implements Serializable

Track information about a particular resolved dependency. Used as the edge of DI graph nodes

Author:

GroupLens Research

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Dependency.Flag Flags associated with a dependency.

Method Summary

Modifier and Type	Method and Description
static Dependency	create(DesireChain desires, EnumSet<Dependency.Flag> flags)
boolean	equals(Object o)
DesireChain	getDesireChain() Get the desire chain associated with this dependency.
EnumSet<Dependency.Flag>	getFlags() Get the flags associated with this dependency.
Desire	getInitialDesire() Convenience method to get the initial desire that prompted this dependency.
int	hashCode()
static com.google.common.base.Predicate<Dependency>	hasInitialDesire(Desire d) Create a predicate matching dependencies with the specified initial desire.
boolean	isFixed() Query whether this dependency is immune to rewriting.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

create

public static Dependency create(DesireChain desires,
                                EnumSet<Dependency.Flag> flags)

getDesireChain

public DesireChain getDesireChain()

Get the desire chain associated with this dependency.

Returns:

The chain of desires followed in resolving this dependency.

getInitialDesire

public Desire getInitialDesire()

Convenience method to get the initial desire that prompted this dependency.

Returns:

The initial desire that prompted this dependency.

getFlags

public EnumSet<Dependency.Flag> getFlags()

Get the flags associated with this dependency.

Returns:

The flags associated with this dependency.

isFixed

public boolean isFixed()

Query whether this dependency is immune to rewriting.

Returns:

true if this dependency cannot be rewritten during a graph rewrite.

hasInitialDesire

public static com.google.common.base.Predicate<Dependency> hasInitialDesire(Desire d)

Create a predicate matching dependencies with the specified initial desire.

Parameters:

d - The desire.

Returns:

A predicate that accepts dependencies whose initial desire is d.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object