Package org.apache.hadoop.hbase

Class MultithreadedTestUtil

java.lang.Object

org.apache.hadoop.hbase.MultithreadedTestUtil

public abstract class MultithreadedTestUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MultithreadedTestUtil.RepeatingTestThread	A test thread that performs a repeating operation.
static class	MultithreadedTestUtil.TestContext
static class	MultithreadedTestUtil.TestThread	A thread that can be added to a test context, and properly passes exceptions through.

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
MultithreadedTestUtil()

Method Summary

Modifier and Type	Method	Description
static void	assertOnFutures(List<Future<?>> threadResults)	Verify that no assertions have failed inside a future.

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

Constructor Details

MultithreadedTestUtil

public MultithreadedTestUtil()

Method Details

assertOnFutures

public static void assertOnFutures(List<Future<?>> threadResults)
                            throws InterruptedException,
ExecutionException

Verify that no assertions have failed inside a future. Used for unit tests that spawn threads. E.g.,

   List<Future<Void>> results = Lists.newArrayList();
   Future<Void> f = executor.submit(new Callable<Void> {
     public Void call() {
       assertTrue(someMethod());
     }
   });
   results.add(f);
   assertOnFutures(results);
 

Parameters:

threadResults - A list of futures

Throws:

InterruptedException - If interrupted when waiting for a result from one of the futures

ExecutionException - If an exception other than AssertionError occurs inside any of the futures