Apache
/
jclouds
mirror of https://github.com/apache/jclouds.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Collect errors in a thread-safe Map 

Needed since multiple threads can mutate this map.  Also always return
a mutable map for consistency.
This commit is contained in:
Andrew Gaul 2012-03-19 15:00:38 -07:00
parent afb67793e8
commit 1652752ee6
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
core/src/main/java/org/jclouds/concurrent/FutureIterables.java
View File

@ -21,11 +21,13 @@ package org.jclouds.concurrent;
import static com.google.common.base.Throwables.propagate;
import static com.google.common.collect.Iterables.any;
import static com.google.common.collect.Iterables.transform;
import static com.google.common.collect.Maps.newConcurrentMap;
import static com.google.common.collect.Maps.newHashMap;
import static org.jclouds.util.Throwables2.containsThrowable;
import static org.jclouds.util.Throwables2.propagateAuthorizationOrOriginalException;
import java.util.Map;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
@ -45,7 +47,6 @@ import org.jclouds.rest.AuthorizationException;
import com.google.common.annotations.Beta;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableMap;
import com.google.inject.Inject;
/**
@ -115,14 +116,14 @@ public class FutureIterables {
public static <T> Map<T, Exception> awaitCompletion(Map<T, ? extends Future<?>> responses, ExecutorService exec,
@Nullable Long maxTime, final Logger logger, final String logPrefix) {
final ConcurrentMap<T, Exception> errorMap = newConcurrentMap();
if (responses.size() == 0)
return ImmutableMap.of();
return errorMap;
final int total = responses.size();
final CountDownLatch doneSignal = new CountDownLatch(total);
final AtomicInteger complete = new AtomicInteger(0);
final AtomicInteger errors = new AtomicInteger(0);
final long start = System.currentTimeMillis();
final Map<T, Exception> errorMap = newHashMap();
for (final java.util.Map.Entry<T, ? extends Future<?>> future : responses.entrySet()) {
Futures.makeListenable(future.getValue(), exec).addListener(new Runnable() {