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-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddBean.java88
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddService.java32
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddServiceImpl.java43
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorClient.java52
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorService.java37
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorServiceImpl.java86
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/DivideService.java28
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/DivideServiceImpl.java38
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/MultiplyService.java28
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/MultiplyServiceImpl.java38
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/SubtractService.java28
-rw-r--r--sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/SubtractServiceImpl.java38
12 files changed, 536 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddBean.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddBean.java
new file mode 100644
index 0000000000..bb39e961b4
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddBean.java
@@ -0,0 +1,88 @@
+/*
+ * 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 calculator;
+
+public class AddBean {
+
+ protected double n1;
+ protected double n2;
+ protected double n3;
+
+ protected Boolean b;
+ protected String s;
+ protected int x;
+ protected Integer y;
+
+ public double getN1() {
+ return n1;
+ }
+
+ public void setN1(double n1) {
+ this.n1 = n1;
+ }
+
+ public double getN2() {
+ return n2;
+ }
+
+ public void setN2(double n2) {
+ this.n2 = n2;
+ }
+
+ public double getN3() {
+ return n3;
+ }
+
+ public void setN3(double n3) {
+ this.n3 = n3;
+ }
+
+ public Boolean getB() {
+ return b;
+ }
+
+ public void setB(Boolean b) {
+ this.b = b;
+ }
+
+ public String getS() {
+ return s;
+ }
+
+ public void setS(String s) {
+ this.s = s;
+ }
+
+ public int getX() {
+ return x;
+ }
+
+ public void setX(int x) {
+ this.x = x;
+ }
+
+ public Integer getY() {
+ return y;
+ }
+
+ public void setY(Integer y) {
+ this.y = y;
+ }
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddService.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddService.java
new file mode 100644
index 0000000000..03e844d09c
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddService.java
@@ -0,0 +1,32 @@
+/*
+ * 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 calculator;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * The Add service interface
+ */
+@Remotable
+public interface AddService {
+
+ double add(double n1, double n2);
+ AddBean addComplexParam(AddBean aBean);
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddServiceImpl.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddServiceImpl.java
new file mode 100644
index 0000000000..8eabfa6773
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/AddServiceImpl.java
@@ -0,0 +1,43 @@
+/*
+ * 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 calculator;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.oasisopen.sca.annotation.Service;
+
+/**
+ * An implementation of the Add service
+ */
+@Service(AddService.class)
+public class AddServiceImpl implements AddService {
+
+ public double add(double n1, double n2) {
+ Logger logger = Logger.getLogger("calculator");
+ logger.log(Level.FINEST, "Adding " + n1 + " and " + n2);
+ return n1 + n2;
+ }
+
+ public AddBean addComplexParam(AddBean aBean) {
+ aBean.setN3(aBean.getN1() + aBean.getN2());
+ return aBean;
+ }
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorClient.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorClient.java
new file mode 100644
index 0000000000..1df1f31c48
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorClient.java
@@ -0,0 +1,52 @@
+/*
+ * 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 calculator;
+
+import org.oasisopen.sca.annotation.EagerInit;
+import org.oasisopen.sca.annotation.Init;
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Scope;
+
+/**
+ * This client program shows how to create an SCA runtime, start it,
+ * and locate and invoke a SCA component
+ */
+@Scope("COMPOSITE")
+@EagerInit
+public class CalculatorClient {
+
+ private CalculatorService calculatorService;
+
+ @Reference
+ public void setCalculatorService(CalculatorService calculatorService) {
+ this.calculatorService = calculatorService;
+ }
+
+ @Init
+ public void calculate() {
+ // Calculate
+ System.out.println("SCA API ClassLoader: " + Reference.class.getClassLoader());
+ System.out.println("3 + 2=" + calculatorService.add(3, 2));
+ System.out.println("3 - 2=" + calculatorService.subtract(3, 2));
+ System.out.println("3 * 2=" + calculatorService.multiply(3, 2));
+ System.out.println("3 / 2=" + calculatorService.divide(3, 2));
+ }
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorService.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorService.java
new file mode 100644
index 0000000000..78eea39c71
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorService.java
@@ -0,0 +1,37 @@
+/*
+ * 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 calculator;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * The Calculator service interface.
+ */
+@Remotable
+public interface CalculatorService {
+
+ double add(double n1, double n2);
+
+ double subtract(double n1, double n2);
+
+ double multiply(double n1, double n2);
+
+ double divide(double n1, double n2);
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorServiceImpl.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorServiceImpl.java
new file mode 100644
index 0000000000..d32cc73815
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/CalculatorServiceImpl.java
@@ -0,0 +1,86 @@
+/*
+ * 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 calculator;
+
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Service;
+
+
+/**
+ * An implementation of the Calculator service.
+ */
+@Service(CalculatorService.class)
+public class CalculatorServiceImpl implements CalculatorService {
+
+ private AddService addService;
+ private SubtractService subtractService;
+ private MultiplyService multiplyService;
+ private DivideService divideService;
+
+ @Reference
+ public void setAddService(AddService addService) {
+ this.addService = addService;
+ }
+
+ @Reference
+ public void setSubtractService(SubtractService subtractService) {
+ this.subtractService = subtractService;
+ }
+
+ @Reference
+ public void setDivideService(DivideService divideService) {
+ this.divideService = divideService;
+ }
+
+ @Reference
+ public void setMultiplyService(MultiplyService multiplyService) {
+ this.multiplyService = multiplyService;
+ }
+
+ public double add(double n1, double n2) {
+ AddBean aBean = new AddBean();
+ // So data to test different types
+ aBean.setB(true);
+ aBean.setS("Fred");
+ aBean.setX(27);
+ aBean.setY(58);
+
+ // the numbers to be added
+ aBean.setN1(n1);
+ aBean.setN2(n2);
+
+ aBean = addService.addComplexParam(aBean);
+
+ return aBean.getN3();
+ //return addService.add(n1, n2);
+ }
+
+ public double subtract(double n1, double n2) {
+ return subtractService.subtract(n1, n2);
+ }
+
+ public double multiply(double n1, double n2) {
+ return multiplyService.multiply(n1, n2);
+ }
+
+ public double divide(double n1, double n2) {
+ return divideService.divide(n1, n2);
+ }
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/DivideService.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/DivideService.java
new file mode 100644
index 0000000000..ef6a8b375b
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/DivideService.java
@@ -0,0 +1,28 @@
+/*
+ * 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 calculator;
+
+/**
+ * The divide service interface
+ */
+public interface DivideService {
+
+ double divide(double n1, double n2);
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/DivideServiceImpl.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/DivideServiceImpl.java
new file mode 100644
index 0000000000..ddd7b9cc6e
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/DivideServiceImpl.java
@@ -0,0 +1,38 @@
+/*
+ * 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 calculator;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.oasisopen.sca.annotation.Service;
+
+/**
+ * An implementation of the Divide service.
+ */
+@Service(DivideService.class)
+public class DivideServiceImpl implements DivideService {
+
+ public double divide(double n1, double n2) {
+ Logger logger = Logger.getLogger("calculator");
+ logger.log(Level.FINEST, "Dividing " + n1 + " with " + n2);
+ return n1 / n2;
+ }
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/MultiplyService.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/MultiplyService.java
new file mode 100644
index 0000000000..db568cc762
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/MultiplyService.java
@@ -0,0 +1,28 @@
+/*
+ * 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 calculator;
+
+/**
+ * The interface for the multiply service
+ */
+public interface MultiplyService {
+
+ double multiply(double n1, double n2);
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/MultiplyServiceImpl.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/MultiplyServiceImpl.java
new file mode 100644
index 0000000000..cc0de498d3
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/MultiplyServiceImpl.java
@@ -0,0 +1,38 @@
+/*
+ * 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 calculator;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.oasisopen.sca.annotation.Service;
+
+/**
+ * An implementation of the Multiply service.
+ */
+@Service(MultiplyService.class)
+public class MultiplyServiceImpl implements MultiplyService {
+
+ public double multiply(double n1, double n2) {
+ Logger logger = Logger.getLogger("calculator");
+ logger.log(Level.FINEST, "Multiplying " + n1 + " with " + n2);
+ return n1 * n2;
+ }
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/SubtractService.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/SubtractService.java
new file mode 100644
index 0000000000..56ee372fc4
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/SubtractService.java
@@ -0,0 +1,28 @@
+/*
+ * 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 calculator;
+
+/**
+ * The interface for the multiply service
+ */
+public interface SubtractService {
+
+ double subtract(double n1, double n2);
+
+}
diff --git a/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/SubtractServiceImpl.java b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/SubtractServiceImpl.java
new file mode 100644
index 0000000000..22e95f7f54
--- /dev/null
+++ b/sandbox/sebastien/java/vhost/samples/learning-more/binding-jsonrpc/calculator-contribution/src/main/java/calculator/SubtractServiceImpl.java
@@ -0,0 +1,38 @@
+/*
+ * 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 calculator;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.oasisopen.sca.annotation.Service;
+
+/**
+ * An implementation of the subtract service.
+ */
+@Service(SubtractService.class)
+public class SubtractServiceImpl implements SubtractService {
+
+ public double subtract(double n1, double n2) {
+ Logger logger = Logger.getLogger("calculator");
+ logger.log(Level.FINEST, "Subtracting " + n1 + " from " + n2);
+ return n1 - n2;
+ }
+
+}