Move Tuscany from Incubator to top level.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68

14 files changed, 498 insertions, 0 deletions

diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/pom.xml b/sandbox/lresende/mundo-java/calculadora-passo3/pom.xml
new file mode 100644
index 0000000000..588cd878d0
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/pom.xml
@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.    
+ -->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-sca</artifactId>
+        <version>1.0-incubating-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <artifactId>mundo-java-calculadora-passo3</artifactId>
+    <name>Exemplo de uma Calculadora implementada por componentes em varias linguagems</name>
+
+    <repositories>
+       <repository>
+          <id>apache.incubator</id>
+          <url>http://people.apache.org/repo/m2-incubating-repository</url>
+       </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-host-embedded</artifactId>
+            <version>1.0-incubating-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-implementation-java-runtime</artifactId>
+            <version>1.0-incubating-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-implementation-script</artifactId>
+            <version>1.0-incubating-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-binding-rmi</artifactId>
+            <version>1.0-incubating-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+        
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.2</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+       <finalName>${artifactId}</finalName>
+    </build>
+
+</project>
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/Calculadora.java b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/Calculadora.java
new file mode 100644
index 0000000000..cf9afc1e5d
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/Calculadora.java
@@ -0,0 +1,31 @@
+/*
+ * 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 calculadora;
+
+public interface Calculadora {
+    
+    double adicionar(double n1, double n2);
+
+    double subtrair(double n1, double n2);
+
+    double multiplicar(double n1, double n2);
+
+    double dividir(double n1, double n2);
+}
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/CalculadoraImpl.java b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/CalculadoraImpl.java
new file mode 100644
index 0000000000..2dff940eff
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/CalculadoraImpl.java
@@ -0,0 +1,69 @@
+/*
+ * 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 calculadora;
+
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Service;
+
+@Service(Calculadora.class)
+public class CalculadoraImpl implements Calculadora {
+
+    private ServicoAdicionar servicoAdicionar;
+    private ServicoSubtrair servicoSubtrair;
+    private ServicoMultiplicar servicoMultiplicar;
+    private ServicoDividir servicoDividir;
+
+    @Reference
+    public void setServicoAdicionar(ServicoAdicionar servicoAdicionar) {
+        this.servicoAdicionar = servicoAdicionar;
+    }
+
+    @Reference
+    public void setServicoSubtrair(ServicoSubtrair servicoSubtrair) {
+        this.servicoSubtrair = servicoSubtrair;
+    }
+
+    @Reference
+    public void setServicoDividir(ServicoDividir servicoDividir) {
+        this.servicoDividir = servicoDividir;
+    }
+
+    @Reference
+    public void setServicoMultiplicar(ServicoMultiplicar servicoMultiplicar) {
+        this.servicoMultiplicar = servicoMultiplicar;
+    }
+    
+    public double adicionar(double n1, double n2) {
+        return this.servicoAdicionar.adicionar(n1 , n2);
+    }
+
+    public double dividir(double n1, double n2) {
+        return this.servicoDividir.dividir(n1, n2);
+    }
+
+    public double multiplicar(double n1, double n2) {
+        return this.servicoMultiplicar.multiplicar(n1, n2);
+    }
+
+    public double subtrair(double n1, double n2) {
+        return this.servicoSubtrair.subtrair(n1, n2);
+    }
+
+}
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/Cliente.java b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/Cliente.java
new file mode 100644
index 0000000000..2d98eecf26
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/Cliente.java
@@ -0,0 +1,42 @@
+/*
+ * 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 calculadora;
+
+import org.apache.tuscany.sca.host.embedded.SCADomain;
+
+/**
+ * This client program shows how to create an SCA runtime, start it, locate the
+ * HelloWorld service and invoke it.
+ */
+public class Cliente {
+
+    public final static void main(String[] args) throws Exception {
+        SCADomain scaDomain = SCADomain.newInstance("calculadora.composite");
+        Calculadora servicoCalculadora =
+            scaDomain.getService(Calculadora.class, "ComponenteCalculadora/Calculadora");
+
+        //Calculate
+        System.out.println("3 + 2=" + servicoCalculadora.adicionar(3, 2));
+        System.out.println("3 - 2=" + servicoCalculadora.subtrair(3, 2));
+        System.out.println("3 * 2=" + servicoCalculadora.multiplicar(3, 2));
+        System.out.println("3 / 2=" + servicoCalculadora.dividir(3, 2));
+        
+        scaDomain.close();
+    }
+}
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoAdicionar.java b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoAdicionar.java
new file mode 100644
index 0000000000..623c044411
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoAdicionar.java
@@ -0,0 +1,24 @@
+/*
+ * 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 calculadora;
+
+public interface ServicoAdicionar {
+    double adicionar(double n1, double n2);
+}
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoDividir.java b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoDividir.java
new file mode 100644
index 0000000000..9ca3242606
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoDividir.java
@@ -0,0 +1,24 @@
+/*
+ * 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 calculadora;
+
+public interface ServicoDividir {
+    double dividir(double n1, double n2);
+}
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoMultiplicar.java b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoMultiplicar.java
new file mode 100644
index 0000000000..e0240abc78
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoMultiplicar.java
@@ -0,0 +1,24 @@
+/*
+ * 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 calculadora;
+
+public interface ServicoMultiplicar {
+    double multiplicar(double n1, double n2);
+}
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoSubtrair.java b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoSubtrair.java
new file mode 100644
index 0000000000..384edc0498
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/ServicoSubtrair.java
@@ -0,0 +1,24 @@
+/*
+ * 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 calculadora;
+
+public interface ServicoSubtrair {
+    double subtrair(double n1, double n2);
+}
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/demo/ServidorCalculadora.java b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/demo/ServidorCalculadora.java
new file mode 100644
index 0000000000..0dd85a516d
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/java/calculadora/demo/ServidorCalculadora.java
@@ -0,0 +1,41 @@
+/*
+ * 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 calculadora.demo;
+
+import org.apache.tuscany.sca.host.embedded.SCADomain;
+
+public class ServidorCalculadora {
+
+    public static void main(String[] args) throws Exception {
+
+        System.out.println("Iniciando o exemplo de uma Calculadora em SCA...");
+
+        SCADomain domain = SCADomain.newInstance("calculadora.composite");
+
+        System.out.println("Pressione Enter para sair...");
+        System.in.read();
+
+        domain.close();
+
+        System.out.println("Tchau !!!");
+        System.exit(0);
+    }
+
+}
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora.composite b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora.composite
new file mode 100644
index 0000000000..1eb402e6ef
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora.composite
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>

+<!--

+    * 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.    

+-->

+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0" 

+    xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.0"

+    targetNamespace="http://calculadora"

+    name="calculadora">

+

+

+    <component name="ComponenteCalculadora">

+	    <service name="Calculadora">

+	        <!-- tuscany:binding.rmi host="localhost" port="8099" serviceName="ServicoCalculadoraRMI"/ -->

+            <binding.sca/>

+	    </service>

+	    

+		<implementation.java class="calculadora.CalculadoraImpl"/>

+        

+        <reference name="servicoAdicionar" target="ComponenteAdicionar" />

+        <reference name="servicoSubtrair" target="ComponentSubtrair" />

+        <reference name="servicoMultiplicar" target="ComponentMultiplicar" />

+        <reference name="servicoDividir" target="ComponentDividir" />

+    </component>

+

+    <component name="ComponenteAdicionar">

+    	<tuscany:implementation.script script="calculadora/ServicoAdicionarImpl.js"/>

+    </component>

+

+    <component name="ComponentSubtrair">

+		<tuscany:implementation.script script="calculadora/ServicoSubtrairImpl.rb"/>

+    </component>

+

+    <component name="ComponentMultiplicar">

+        <tuscany:implementation.script script="calculadora/ServicoMultiplicarImpl.py"/>

+    </component>

+

+    <component name="ComponentDividir">

+        <tuscany:implementation.script script="calculadora/ServicoDividirImpl.groovy"/>

+    </component>

+</composite>

diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoAdicionarImpl.js b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoAdicionarImpl.js
new file mode 100644
index 0000000000..e66d4d9236
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoAdicionarImpl.js
@@ -0,0 +1,22 @@
+/*
+ * 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.    
+ */
+
+function adicionar(n1, n2) {
+   return n1 + n2;
+}
\ No newline at end of file
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoDividirImpl.groovy b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoDividirImpl.groovy
new file mode 100644
index 0000000000..ad54eda832
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoDividirImpl.groovy
@@ -0,0 +1,22 @@
+/*

+ * 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.    

+ */

+ 

+def dividir(n1, n2) {

+   return n1 / n2

+}
\ No newline at end of file
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoMultiplicarImpl.py b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoMultiplicarImpl.py
new file mode 100644
index 0000000000..c6a906f741
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoMultiplicarImpl.py
@@ -0,0 +1,20 @@
+# 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.
+#
+ 
+def multiplicar(n1, n2):
+   return n1 * n2
\ No newline at end of file
diff --git a/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoSubtrairImpl.rb b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoSubtrairImpl.rb
new file mode 100644
index 0000000000..a696d0ecb2
--- /dev/null
+++ b/sandbox/lresende/mundo-java/calculadora-passo3/src/main/resources/calculadora/ServicoSubtrairImpl.rb
@@ -0,0 +1,21 @@
+# 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.

+#

+ 

+def subtrair(n1, n2)

+    return n1 - n2

+end
\ No newline at end of file