Package org.apache.maven.graph

Class DefaultProjectDependencyGraph

java.lang.Object

org.apache.maven.graph.DefaultProjectDependencyGraph

All Implemented Interfaces:

ProjectDependencyGraph

public class DefaultProjectDependencyGraph
extends Object
implements ProjectDependencyGraph

Describes the inter-dependencies between projects in the reactor.

Author:

Benjamin Bentmann

Constructor Summary

Constructors

Constructor	Description
DefaultProjectDependencyGraph(Collection<MavenProject> projects)	Creates a new project dependency graph based on the specified projects.
DefaultProjectDependencyGraph(List<MavenProject> allProjects, Collection<MavenProject> projects)	Creates a new project dependency graph based on the specified projects.

Method Summary

Modifier and Type	Method	Description
List<MavenProject>	getAllProjects()	Gets all collected projects.
List<MavenProject>	getDownstreamProjects(MavenProject project, boolean transitive)	Gets the downstream projects of the specified project.
List<MavenProject>	getSortedProjects()	Gets all projects in their intended build order, i.e.
List<MavenProject>	getUpstreamProjects(MavenProject project, boolean transitive)	Gets the upstream projects of the specified project.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultProjectDependencyGraph

public DefaultProjectDependencyGraph(Collection<MavenProject> projects)
                              throws org.codehaus.plexus.util.dag.CycleDetectedException,
                                     DuplicateProjectException

Creates a new project dependency graph based on the specified projects.

Parameters:

projects - The projects to create the dependency graph with

Throws:

DuplicateProjectException

org.codehaus.plexus.util.dag.CycleDetectedException

DefaultProjectDependencyGraph

public DefaultProjectDependencyGraph(List<MavenProject> allProjects,
                                     Collection<MavenProject> projects)
                              throws org.codehaus.plexus.util.dag.CycleDetectedException,
                                     DuplicateProjectException

Creates a new project dependency graph based on the specified projects.

Parameters:

allProjects - All collected projects.

projects - The projects to create the dependency graph with.

Throws:

DuplicateProjectException

org.codehaus.plexus.util.dag.CycleDetectedException

Since:

3.5.0

Method Detail

getAllProjects

public List<MavenProject> getAllProjects()

Description copied from interface: ProjectDependencyGraph

Gets all collected projects.

Specified by:

getAllProjects in interface ProjectDependencyGraph

Returns:

All collected projects.

Since:

3.5.0

getSortedProjects

public List<MavenProject> getSortedProjects()

Description copied from interface: ProjectDependencyGraph

Gets all projects in their intended build order, i.e. after topologically sorting the projects according to their inter-dependencies.

Specified by:

getSortedProjects in interface ProjectDependencyGraph

Returns:

The projects in the build order, never null.

getDownstreamProjects

public List<MavenProject> getDownstreamProjects(MavenProject project,
                                                boolean transitive)

Description copied from interface: ProjectDependencyGraph

Gets the downstream projects of the specified project. A downstream project is a project that directly or indirectly depends on the given project.

Specified by:

getDownstreamProjects in interface ProjectDependencyGraph

Parameters:

project - The project whose downstream projects should be retrieved, must not be null.

transitive - A flag whether to retrieve all direct and indirect downstream projects or just the immediate downstream projects.

Returns:

The downstream projects in the build order, never null.

getUpstreamProjects

public List<MavenProject> getUpstreamProjects(MavenProject project,
                                              boolean transitive)

Description copied from interface: ProjectDependencyGraph

Gets the upstream projects of the specified project. An upstream project is a project that directly or indirectly is a prerequisite of the given project.

Specified by:

getUpstreamProjects in interface ProjectDependencyGraph

Parameters:

project - The project whose upstream projects should be retrieved, must not be null.

transitive - A flag whether to retrieve all direct and indirect upstream projects or just the immediate upstream projects.

Returns:

The upstream projects in the build order, never null.

toString

public String toString()

Overrides:

toString in class Object