return session;
    }

    public MavenProject getProject() {
        return project;
    }

    public MojoExecution getExecution() {
        return mojoExecution;
    }

    public Mojo getMojo() {
        return mojo;
    }

    public Throwable getCause() {
        return cause;
    }

                assertNotNull(event.getSession());
                assertNotNull(event.getProject());
                assertNotNull(event.getExecution());
                assertNotNull(event.getMojo());
                assertNull(event.getCause());

                log.add("beforeMojoExecution " + event.getProject().getArtifactId() + ":"
                        + event.getExecution().getExecutionId());
            }

            String phase = mojoDescriptor.getExecutePhase();
            // We have a fork goal
            if (forkedGoal != null && !forkedGoal.isEmpty()) {
                MojoDescriptor forkedMojoDescriptor = pluginDescriptor.getMojo(forkedGoal);
                if (forkedMojoDescriptor == null) {
                    throw new MavenException(new MojoNotFoundException(forkedGoal, pluginDescriptor));
                }