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Posted to commits@camel.apache.org by da...@apache.org on 2020/02/18 10:22:19 UTC

[camel] branch master updated: CAMEL-14586: Fixed EIPs with disable producer cache was not working. Added back EmptyProducerCache from 2.x.

This is an automated email from the ASF dual-hosted git repository.

davsclaus pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/camel.git


The following commit(s) were added to refs/heads/master by this push:
     new bbdbafe  CAMEL-14586: Fixed EIPs with disable producer cache was not working. Added back EmptyProducerCache from 2.x.
bbdbafe is described below

commit bbdbafe1cf1be83bb47041a0cbd286f1415f3347
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Tue Feb 18 11:21:49 2020 +0100

    CAMEL-14586: Fixed EIPs with disable producer cache was not working. Added back EmptyProducerCache from 2.x.
---
 .../camel/impl/engine/DefaultProducerCache.java    |  7 ++-
 .../camel/impl/engine/EmptyProducerCache.java      | 65 ++++++++++++++++++++++
 .../java/org/apache/camel/processor/Enricher.java  | 10 +++-
 .../org/apache/camel/processor/RecipientList.java  | 10 +++-
 .../org/apache/camel/processor/RoutingSlip.java    | 10 +++-
 .../camel/processor/SendDynamicProcessor.java      | 10 +++-
 .../camel/impl/engine/EmptyProducerCacheTest.java  | 65 ++++++++++++++++++++++
 .../camel/processor/RecipientListNoCacheTest.java  | 20 ++++++-
 8 files changed, 187 insertions(+), 10 deletions(-)

diff --git a/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultProducerCache.java b/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultProducerCache.java
index e381e10..a145d5b 100644
--- a/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultProducerCache.java
+++ b/core/camel-base/src/main/java/org/apache/camel/impl/engine/DefaultProducerCache.java
@@ -65,7 +65,12 @@ public class DefaultProducerCache extends ServiceSupport implements ProducerCach
         this.source = source;
         this.camelContext = (ExtendedCamelContext) camelContext;
         this.maxCacheSize = cacheSize <= 0 ? CamelContextHelper.getMaximumCachePoolSize(camelContext) : cacheSize;
-        this.producers = createServicePool(camelContext, maxCacheSize);
+        if (cacheSize >= 0) {
+            this.producers = createServicePool(camelContext, maxCacheSize);
+        } else {
+            // no cache then empty
+            this.producers = null;
+        }
 
         // only if JMX is enabled
         if (camelContext.getManagementStrategy() != null && camelContext.getManagementStrategy().getManagementAgent() != null) {
diff --git a/core/camel-base/src/main/java/org/apache/camel/impl/engine/EmptyProducerCache.java b/core/camel-base/src/main/java/org/apache/camel/impl/engine/EmptyProducerCache.java
new file mode 100644
index 0000000..e0154be
--- /dev/null
+++ b/core/camel-base/src/main/java/org/apache/camel/impl/engine/EmptyProducerCache.java
@@ -0,0 +1,65 @@
+package org.apache.camel.impl.engine;
+
+import org.apache.camel.AsyncProducer;
+import org.apache.camel.CamelContext;
+import org.apache.camel.Endpoint;
+import org.apache.camel.ExtendedCamelContext;
+import org.apache.camel.FailedToCreateProducerException;
+import org.apache.camel.support.service.ServiceHelper;
+
+public class EmptyProducerCache extends DefaultProducerCache {
+
+    private final Object source;
+    private final ExtendedCamelContext ecc;
+
+    public EmptyProducerCache(Object source, CamelContext camelContext) {
+        super(source, camelContext, -1);
+        this.source = source;
+        this.ecc = camelContext.adapt(ExtendedCamelContext.class);
+        setExtendedStatistics(false);
+    }
+
+    @Override
+    public AsyncProducer acquireProducer(Endpoint endpoint) {
+        // always create a new producer
+        AsyncProducer answer;
+        try {
+            answer = endpoint.createAsyncProducer();
+            boolean startingRoutes = ecc.isSetupRoutes() || ecc.getRouteController().isStartingRoutes();
+            if (startingRoutes && answer.isSingleton()) {
+                // if we are currently starting a route, then add as service and enlist in JMX
+                // - but do not enlist non-singletons in JMX
+                // - note addService will also start the service
+                getCamelContext().addService(answer);
+            } else {
+                // must then start service so producer is ready to be used
+                ServiceHelper.startService(answer);
+            }
+        } catch (Exception e) {
+            throw new FailedToCreateProducerException(endpoint, e);
+        }
+        return answer;
+    }
+
+    @Override
+    public void releaseProducer(Endpoint endpoint, AsyncProducer producer) {
+        // stop and shutdown the producer as its not cache or reused
+        ServiceHelper.stopAndShutdownService(producer);
+    }
+
+    @Override
+    public int size() {
+        return 0;
+    }
+
+    @Override
+    public int getCapacity() {
+        return 0;
+    }
+
+    @Override
+    public String toString() {
+        return "EmptyProducerCache for source: " + source;
+    }
+
+}
diff --git a/core/camel-base/src/main/java/org/apache/camel/processor/Enricher.java b/core/camel-base/src/main/java/org/apache/camel/processor/Enricher.java
index bbbca1b..c038f98 100644
--- a/core/camel-base/src/main/java/org/apache/camel/processor/Enricher.java
+++ b/core/camel-base/src/main/java/org/apache/camel/processor/Enricher.java
@@ -29,6 +29,7 @@ import org.apache.camel.ExchangePattern;
 import org.apache.camel.Expression;
 import org.apache.camel.ExtendedExchange;
 import org.apache.camel.impl.engine.DefaultProducerCache;
+import org.apache.camel.impl.engine.EmptyProducerCache;
 import org.apache.camel.spi.EndpointUtilizationStatistics;
 import org.apache.camel.spi.IdAware;
 import org.apache.camel.spi.ProducerCache;
@@ -366,8 +367,13 @@ public class Enricher extends AsyncProcessorSupport implements IdAware, RouteIdA
         }
 
         if (producerCache == null) {
-            producerCache = new DefaultProducerCache(this, camelContext, cacheSize);
-            LOG.debug("Enricher {} using ProducerCache with cacheSize={}", this, producerCache.getCapacity());
+            if (cacheSize < 0) {
+                producerCache = new EmptyProducerCache(this, camelContext);
+                LOG.debug("Enricher {} is not using ProducerCache", this);
+            } else {
+                producerCache = new DefaultProducerCache(this, camelContext, cacheSize);
+                LOG.debug("Enricher {} using ProducerCache with cacheSize={}", this, cacheSize);
+            }
         }
 
         ServiceHelper.startService(producerCache, aggregationStrategy);
diff --git a/core/camel-base/src/main/java/org/apache/camel/processor/RecipientList.java b/core/camel-base/src/main/java/org/apache/camel/processor/RecipientList.java
index a0526d1..b6f173f 100644
--- a/core/camel-base/src/main/java/org/apache/camel/processor/RecipientList.java
+++ b/core/camel-base/src/main/java/org/apache/camel/processor/RecipientList.java
@@ -27,6 +27,7 @@ import org.apache.camel.Exchange;
 import org.apache.camel.Expression;
 import org.apache.camel.Processor;
 import org.apache.camel.impl.engine.DefaultProducerCache;
+import org.apache.camel.impl.engine.EmptyProducerCache;
 import org.apache.camel.processor.aggregate.UseLatestAggregationStrategy;
 import org.apache.camel.spi.EndpointUtilizationStatistics;
 import org.apache.camel.spi.IdAware;
@@ -197,8 +198,13 @@ public class RecipientList extends AsyncProcessorSupport implements IdAware, Rou
     @Override
     protected void doStart() throws Exception {
         if (producerCache == null) {
-            producerCache = new DefaultProducerCache(this, camelContext, cacheSize);
-            LOG.debug("RecipientList {} using ProducerCache with cacheSize={}", this, producerCache.getCapacity());
+            if (cacheSize < 0) {
+                producerCache = new EmptyProducerCache(this, camelContext);
+                LOG.debug("RecipientList {} is not using ProducerCache", this);
+            } else {
+                producerCache = new DefaultProducerCache(this, camelContext, cacheSize);
+                LOG.debug("RecipientList {} using ProducerCache with cacheSize={}", this, cacheSize);
+            }
         }
         ServiceHelper.startService(aggregationStrategy, producerCache);
     }
diff --git a/core/camel-base/src/main/java/org/apache/camel/processor/RoutingSlip.java b/core/camel-base/src/main/java/org/apache/camel/processor/RoutingSlip.java
index d7c8b04..cb31c0c 100644
--- a/core/camel-base/src/main/java/org/apache/camel/processor/RoutingSlip.java
+++ b/core/camel-base/src/main/java/org/apache/camel/processor/RoutingSlip.java
@@ -28,6 +28,7 @@ import org.apache.camel.FailedToCreateProducerException;
 import org.apache.camel.Message;
 import org.apache.camel.Traceable;
 import org.apache.camel.impl.engine.DefaultProducerCache;
+import org.apache.camel.impl.engine.EmptyProducerCache;
 import org.apache.camel.spi.EndpointUtilizationStatistics;
 import org.apache.camel.spi.IdAware;
 import org.apache.camel.spi.ProducerCache;
@@ -464,8 +465,13 @@ public class RoutingSlip extends AsyncProcessorSupport implements Traceable, IdA
     @Override
     protected void doStart() throws Exception {
         if (producerCache == null) {
-            producerCache = new DefaultProducerCache(this, camelContext, cacheSize);
-            LOG.debug("RoutingSlip {} using ProducerCache with cacheSize={}", this, producerCache.getCapacity());
+            if (cacheSize < 0) {
+                producerCache = new EmptyProducerCache(this, camelContext);
+                LOG.debug("RoutingSlip {} is not using ProducerCache", this);
+            } else {
+                producerCache = new DefaultProducerCache(this, camelContext, cacheSize);
+                LOG.debug("RoutingSlip {} using ProducerCache with cacheSize={}", this, cacheSize);
+            }
         }
 
         ServiceHelper.startService(producerCache, errorHandler);
diff --git a/core/camel-base/src/main/java/org/apache/camel/processor/SendDynamicProcessor.java b/core/camel-base/src/main/java/org/apache/camel/processor/SendDynamicProcessor.java
index 849d4b9..dabc2f9 100644
--- a/core/camel-base/src/main/java/org/apache/camel/processor/SendDynamicProcessor.java
+++ b/core/camel-base/src/main/java/org/apache/camel/processor/SendDynamicProcessor.java
@@ -27,6 +27,7 @@ import org.apache.camel.NoTypeConversionAvailableException;
 import org.apache.camel.Processor;
 import org.apache.camel.ResolveEndpointFailedException;
 import org.apache.camel.impl.engine.DefaultProducerCache;
+import org.apache.camel.impl.engine.EmptyProducerCache;
 import org.apache.camel.spi.EndpointUtilizationStatistics;
 import org.apache.camel.spi.IdAware;
 import org.apache.camel.spi.ProducerCache;
@@ -257,8 +258,13 @@ public class SendDynamicProcessor extends AsyncProcessorSupport implements IdAwa
     @Override
     protected void doStart() throws Exception {
         if (producerCache == null) {
-            producerCache = new DefaultProducerCache(this, camelContext, cacheSize);
-            LOG.debug("DynamicSendTo {} using ProducerCache with cacheSize={}", this, producerCache.getCapacity());
+            if (cacheSize < 0) {
+                producerCache = new EmptyProducerCache(this, camelContext);
+                LOG.debug("DynamicSendTo {} is not using ProducerCache", this);
+            } else {
+                producerCache = new DefaultProducerCache(this, camelContext, cacheSize);
+                LOG.debug("DynamicSendTo {} using ProducerCache with cacheSize={}", this, cacheSize);
+            }
         }
 
         if (isAllowOptimisedComponents() && uri != null) {
diff --git a/core/camel-core/src/test/java/org/apache/camel/impl/engine/EmptyProducerCacheTest.java b/core/camel-core/src/test/java/org/apache/camel/impl/engine/EmptyProducerCacheTest.java
new file mode 100644
index 0000000..b4cc9f9
--- /dev/null
+++ b/core/camel-core/src/test/java/org/apache/camel/impl/engine/EmptyProducerCacheTest.java
@@ -0,0 +1,65 @@
+/*
+ * 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.impl.engine;
+
+import org.apache.camel.AsyncProducer;
+import org.apache.camel.ContextTestSupport;
+import org.apache.camel.Endpoint;
+import org.apache.camel.spi.ProducerCache;
+import org.junit.Test;
+
+public class EmptyProducerCacheTest extends ContextTestSupport {
+
+    @Test
+    public void testEmptyCache() throws Exception {
+        ProducerCache cache = new EmptyProducerCache(this, context);
+        cache.start();
+
+        assertEquals("Size should be 0", 0, cache.size());
+
+        // we never cache any producers
+        Endpoint e = context.getEndpoint("direct:queue:1");
+        AsyncProducer p = cache.acquireProducer(e);
+
+        assertEquals("Size should be 0", 0, cache.size());
+
+        cache.releaseProducer(e, p);
+
+        assertEquals("Size should be 0", 0, cache.size());
+
+        cache.stop();
+    }
+
+    @Test
+    public void testCacheProducerAcquireAndRelease() throws Exception {
+        ProducerCache cache = new EmptyProducerCache(this, context);
+        cache.start();
+
+        assertEquals("Size should be 0", 0, cache.size());
+
+        // we never cache any producers
+        for (int i = 0; i < 1003; i++) {
+            Endpoint e = context.getEndpoint("direct:queue:" + i);
+            AsyncProducer p = cache.acquireProducer(e);
+            cache.releaseProducer(e, p);
+        }
+
+        assertEquals("Size should be 1000", 0, cache.size());
+        cache.stop();
+    }
+
+}
\ No newline at end of file
diff --git a/core/camel-core/src/test/java/org/apache/camel/processor/RecipientListNoCacheTest.java b/core/camel-core/src/test/java/org/apache/camel/processor/RecipientListNoCacheTest.java
index 3b216ae..a65fed8 100644
--- a/core/camel-core/src/test/java/org/apache/camel/processor/RecipientListNoCacheTest.java
+++ b/core/camel-core/src/test/java/org/apache/camel/processor/RecipientListNoCacheTest.java
@@ -16,9 +16,14 @@
  */
 package org.apache.camel.processor;
 
+import java.util.List;
+
 import org.apache.camel.ContextTestSupport;
+import org.apache.camel.Processor;
 import org.apache.camel.builder.RouteBuilder;
 import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.impl.engine.EmptyProducerCache;
+import org.apache.camel.util.ReflectionHelper;
 import org.junit.Test;
 
 public class RecipientListNoCacheTest extends ContextTestSupport {
@@ -37,6 +42,18 @@ public class RecipientListNoCacheTest extends ContextTestSupport {
         sendBody("bar");
 
         assertMockEndpointsSatisfied();
+
+        // make sure its using an empty producer cache as the cache is disabled
+        List<Processor> list = context.getRoute("route1").filter("foo");
+        // the id is set on the pipeline as recipient list is wrapped
+        Pipeline pipe = (Pipeline) list.get(0);
+        RecipientList rl = (RecipientList) pipe.next().get(1);
+        assertNotNull(rl);
+        assertEquals(-1, rl.getCacheSize());
+
+        Object pc = ReflectionHelper.getField(rl.getClass().getDeclaredField("producerCache"), rl);
+        assertNotNull(pc);
+        assertIsInstanceOf(EmptyProducerCache.class, pc);
     }
 
     protected void sendBody(String body) {
@@ -47,7 +64,8 @@ public class RecipientListNoCacheTest extends ContextTestSupport {
     protected RouteBuilder createRouteBuilder() {
         return new RouteBuilder() {
             public void configure() {
-                from("direct:a").recipientList(header("recipientListHeader").tokenize(",")).cacheSize(-1);
+                from("direct:a")
+                        .recipientList(header("recipientListHeader").tokenize(",")).cacheSize(-1).id("foo");
             }
         };