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From zhai...@apache.org
Subject [incubator-pulsar] branch master updated: Add Example functions (#2305)
Date Sat, 04 Aug 2018 07:10:51 GMT
This is an automated email from the ASF dual-hosted git repository.

zhaijia pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-pulsar.git


The following commit(s) were added to refs/heads/master by this push:
     new 04d6234  Add Example functions (#2305)
04d6234 is described below

commit 04d62345bc4db147ef262b0be07524a57b11fa60
Author: Ali Ahmed <alahmed.se@gmail.com>
AuthorDate: Sat Aug 4 00:10:49 2018 -0700

    Add Example functions (#2305)
    
    We add 2 more examples pulsar functions.
---
 .../api/examples/InstanceIdAppenderFunction.java   | 34 ++++++++++++++++++++++
 .../api/examples/IntegerAdditionFunction.java      | 34 ++++++++++++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/pulsar-functions/java-examples/src/main/java/org/apache/pulsar/functions/api/examples/InstanceIdAppenderFunction.java
b/pulsar-functions/java-examples/src/main/java/org/apache/pulsar/functions/api/examples/InstanceIdAppenderFunction.java
new file mode 100644
index 0000000..0a56386
--- /dev/null
+++ b/pulsar-functions/java-examples/src/main/java/org/apache/pulsar/functions/api/examples/InstanceIdAppenderFunction.java
@@ -0,0 +1,34 @@
+/**
+ * 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.pulsar.functions.api.examples;
+
+import org.apache.pulsar.functions.api.Context;
+import org.apache.pulsar.functions.api.Function;
+
+/**
+ * Function that appends the instance id to the payload message
+ */
+public class InstanceIdAppenderFunction implements Function<String, String> {
+
+    @Override
+    public String process(String input, Context context) {
+        return input + context.getInstanceId();
+    }
+}
+
diff --git a/pulsar-functions/java-examples/src/main/java/org/apache/pulsar/functions/api/examples/IntegerAdditionFunction.java
b/pulsar-functions/java-examples/src/main/java/org/apache/pulsar/functions/api/examples/IntegerAdditionFunction.java
new file mode 100644
index 0000000..d6e8276
--- /dev/null
+++ b/pulsar-functions/java-examples/src/main/java/org/apache/pulsar/functions/api/examples/IntegerAdditionFunction.java
@@ -0,0 +1,34 @@
+/**
+ * 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.pulsar.functions.api.examples;
+
+import org.apache.pulsar.functions.api.Context;
+import org.apache.pulsar.functions.api.Function;
+
+/**
+ * Function that appends to an integer input value and outputs the new value
+ */
+public class IntegerAdditionFunction implements Function<Integer, Integer> {
+
+    @Override
+    public Integer process(Integer input, Context context) {
+        return input + 100;
+    }
+}
+


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