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davsclaus pushed a commit to branch camel-2.21.x
in repository https://gitbox.apache.org/repos/asf/camel.git
The following commit(s) were added to refs/heads/camel-2.21.x by this push:
new 9fbb509 CAMEL-12446: Splitter - Make it easier to turn off propgate
exception
9fbb509 is described below
commit 9fbb5095ef99f9b4723216a954059b6c7102ae4b
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Mon Apr 16 11:41:34 2018 +0200
CAMEL-12446: Splitter - Make it easier to turn off propgate exception
---
.../java/org/apache/camel/processor/Splitter.java | 8 ++
.../aggregate/UseOriginalAggregationStrategy.java | 10 ++-
.../camel/util/toolbox/AggregationStrategies.java | 11 +++
.../org/apache/camel/processor/SplitterTest.java | 1 +
...litterUseOriginalNotPropagateExceptionTest.java | 92 ++++++++++++++++++++++
5 files changed, 121 insertions(+), 1 deletion(-)
diff --git a/camel-core/src/main/java/org/apache/camel/processor/Splitter.java
b/camel-core/src/main/java/org/apache/camel/processor/Splitter.java
index 8a06f79..fb56485 100644
--- a/camel-core/src/main/java/org/apache/camel/processor/Splitter.java
+++ b/camel-core/src/main/java/org/apache/camel/processor/Splitter.java
@@ -100,6 +100,14 @@ public class Splitter extends MulticastProcessor
implements AsyncProcessor, Trac
public boolean process(Exchange exchange, final AsyncCallback callback) {
final AggregationStrategy strategy = getAggregationStrategy();
+ // set original exchange if not already pre-configured
+ if (strategy instanceof UseOriginalAggregationStrategy) {
+ UseOriginalAggregationStrategy original =
(UseOriginalAggregationStrategy) strategy;
+ if (original.getOriginal() == null) {
+ original.setOriginal(exchange);
+ }
+ }
+
// if no custom aggregation strategy is being used then fallback to
keep the original
// and propagate exceptions which is done by a per exchange specific
aggregation strategy
// to ensure it supports async routing
diff --git
a/camel-core/src/main/java/org/apache/camel/processor/aggregate/UseOriginalAggregationStrategy.java
b/camel-core/src/main/java/org/apache/camel/processor/aggregate/UseOriginalAggregationStrategy.java
index 764151f..dbd60c5 100644
---
a/camel-core/src/main/java/org/apache/camel/processor/aggregate/UseOriginalAggregationStrategy.java
+++
b/camel-core/src/main/java/org/apache/camel/processor/aggregate/UseOriginalAggregationStrategy.java
@@ -28,7 +28,7 @@ import org.apache.camel.Exchange;
*/
public class UseOriginalAggregationStrategy implements AggregationStrategy {
- private final Exchange original;
+ private Exchange original;
private final boolean propagateException;
public UseOriginalAggregationStrategy() {
@@ -64,6 +64,14 @@ public class UseOriginalAggregationStrategy implements
AggregationStrategy {
}
}
+ public Exchange getOriginal() {
+ return original;
+ }
+
+ public void setOriginal(Exchange original) {
+ this.original = original;
+ }
+
@Override
public String toString() {
return "UseOriginalAggregationStrategy";
diff --git
a/camel-core/src/main/java/org/apache/camel/util/toolbox/AggregationStrategies.java
b/camel-core/src/main/java/org/apache/camel/util/toolbox/AggregationStrategies.java
index a601598..ac68858 100644
---
a/camel-core/src/main/java/org/apache/camel/util/toolbox/AggregationStrategies.java
+++
b/camel-core/src/main/java/org/apache/camel/util/toolbox/AggregationStrategies.java
@@ -70,6 +70,17 @@ public final class AggregationStrategies {
}
/**
+ * Use the original exchange.
+ *
+ * @param propagateException whether to propgate exception if errors was
thrown during processing splitted messages.
+ *
+ * @see org.apache.camel.processor.aggregate.UseOriginalAggregationStrategy
+ */
+ public static AggregationStrategy useOriginal(boolean propagateException) {
+ return new UseOriginalAggregationStrategy(null, propagateException);
+ }
+
+ /**
* Creates a {@link GroupedExchangeAggregationStrategy} aggregation
strategy.
*/
public static AggregationStrategy groupedExchange() {
diff --git
a/camel-core/src/test/java/org/apache/camel/processor/SplitterTest.java
b/camel-core/src/test/java/org/apache/camel/processor/SplitterTest.java
index d84c55e..5a2fab3 100644
--- a/camel-core/src/test/java/org/apache/camel/processor/SplitterTest.java
+++ b/camel-core/src/test/java/org/apache/camel/processor/SplitterTest.java
@@ -32,6 +32,7 @@ import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.processor.aggregate.AggregationStrategy;
import org.apache.camel.processor.aggregate.UseLatestAggregationStrategy;
/**
diff --git
a/camel-core/src/test/java/org/apache/camel/processor/SplitterUseOriginalNotPropagateExceptionTest.java
b/camel-core/src/test/java/org/apache/camel/processor/SplitterUseOriginalNotPropagateExceptionTest.java
new file mode 100644
index 0000000..ca03096
--- /dev/null
+++
b/camel-core/src/test/java/org/apache/camel/processor/SplitterUseOriginalNotPropagateExceptionTest.java
@@ -0,0 +1,92 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.processor;
+
+import java.util.EventObject;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.ContextTestSupport;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.management.event.ExchangeFailedEvent;
+import org.apache.camel.support.EventNotifierSupport;
+import org.apache.camel.util.toolbox.AggregationStrategies;
+
+public class SplitterUseOriginalNotPropagateExceptionTest extends
ContextTestSupport {
+
+ private MyEventNotifier notifier = new MyEventNotifier();
+
+ @Override
+ protected CamelContext createCamelContext() throws Exception {
+ CamelContext context = super.createCamelContext();
+ context.getManagementStrategy().addEventNotifier(notifier);
+ return context;
+ }
+
+ public void testUseOriginalNotPropgateException() throws Exception {
+ assertEquals(0, notifier.getErrors());
+
+ getMockEndpoint("mock:line").expectedBodiesReceived("Hello", "World");
+
getMockEndpoint("mock:result").expectedBodiesReceived("Hello,Kaboom,World");
+
+ try {
+ template.sendBody("direct:start", "Hello,Kaboom,World");
+ } catch (Exception e) {
+ fail("Should not fail");
+ }
+
+ assertMockEndpointsSatisfied();
+
+ // there should only be 1 error as we do not propagate errors to the
parent
+ assertEquals(1, notifier.getErrors());
+ }
+
+ @Override
+ protected RouteBuilder createRouteBuilder() throws Exception {
+ return new RouteBuilder() {
+ @Override
+ public void configure() throws Exception {
+ from("direct:start")
+
.split(body()).aggregationStrategy(AggregationStrategies.useOriginal(false))
+ .filter(simple("${body} == 'Kaboom'"))
+ .throwException(new
IllegalArgumentException("Forced error"))
+ .end()
+ .to("mock:line")
+ .end()
+ .to("mock:result");
+ }
+ };
+ }
+
+ private static class MyEventNotifier extends EventNotifierSupport {
+
+ private int errors;
+
+ @Override
+ public void notify(EventObject event) throws Exception {
+ errors++;
+ }
+
+ @Override
+ public boolean isEnabled(EventObject event) {
+ return event instanceof ExchangeFailedEvent;
+ }
+
+ public int getErrors() {
+ return errors;
+ }
+ }
+}
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