Events.java

package org.xtest.runner.events;

import java.util.Collection;
import java.util.Set;

import org.eclipse.core.resources.IFile;
import org.xtest.runner.RunnableTest;
import org.xtest.runner.external.TestResult;

import com.google.common.eventbus.EventBus;
import com.google.inject.Inject;

/**
 * Wrapper for the Guava {@link EventBus} to construct event objects of particular types and post
 * them to the bus.
 * 
 * @author Michael Barry
 */
public class Events {
    @Inject
    private EventBus bus;

    /**
     * Post an event that currently running tests have been canceled, and there are still
     * {@code numScheduled} pending tests.
     * 
     * @param tests
     *            The remaining tests
     */
    public void cancelAndSchedule(Collection<RunnableTest> tests) {
        bus.post(new TestsCanceled(tests));
    }

    /**
     * Post an event that a test file has finished running and is either passing, failing, or was
     * interrupted while running.
     * 
     * @param state
     *            The state of the test
     * @param file
     *            The test file
     */
    public void finishTest(TestResult state, IFile file) {
        bus.post(new TestFinished(state, file));
    }

    /**
     * Post an event that all tests have completed.
     */
    public void finishTests() {
        bus.post(new TestsFinished());
    }

    /**
     * Post an event that a test run has started with {@code numToRun} pending tests.
     * 
     * @param testsToStart
     *            the tests that will run in this batch
     */
    public void startTests(Collection<RunnableTest> testsToStart) {
        bus.post(new TestsStarted(testsToStart));
    }

    /**
     * Post an event that a set of tests have been deleted.
     * 
     * @param files
     *            The tests that have been deleted
     */
    public void testDeleted(Set<IFile> files) {
        bus.post(new TestDeleted(files));
    }

}