1 files changed, 40 insertions, 0 deletions
diff --git a/src/org/junit/runner/Computer.java b/src/org/junit/runner/Computer.java
new file mode 100644
index 0000000..939f702
--- /dev/null
+++ b/src/org/junit/runner/Computer.java
@@ -0,0 +1,40 @@
+package org.junit.runner;
+
+import org.junit.runners.Suite;
+import org.junit.runners.model.InitializationError;
+import org.junit.runners.model.RunnerBuilder;
+
+/**
+ * Represents a strategy for computing runners and suites.
+ * WARNING: this class is very likely to undergo serious changes in version 4.8 and
+ * beyond.
+ */
+public class Computer {
+	/**
+	 * Returns a new default computer, which runs tests in serial order
+	 */
+	public static Computer serial() {
+		return new Computer();
+	}
+
+	/**
+	 * Create a suite for {@code classes}, building Runners with {@code builder}.
+	 * Throws an InitializationError if Runner construction fails
+	 */
+	public Runner getSuite(final RunnerBuilder builder,
+			Class<?>[] classes) throws InitializationError {
+		return new Suite(new RunnerBuilder() {
+			@Override
+			public Runner runnerForClass(Class<?> testClass) throws Throwable {
+				return getRunner(builder, testClass);
+			}
+		}, classes);
+	}
+
+	/**
+	 * Create a single-class runner for {@code testClass}, using {@code builder}
+	 */
+	protected Runner getRunner(RunnerBuilder builder, Class<?> testClass) throws Throwable {
+		return builder.runnerForClass(testClass);
+	}
+}