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-rw-r--r--java/sca/samples/dosgi-calculator/src/main/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java114
1 files changed, 0 insertions, 114 deletions
diff --git a/java/sca/samples/dosgi-calculator/src/main/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java b/java/sca/samples/dosgi-calculator/src/main/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java
deleted file mode 100644
index 5f9db16ca9..0000000000
--- a/java/sca/samples/dosgi-calculator/src/main/java/calculator/dosgi/impl/CalculatorServiceDSImpl.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * 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.dosgi.impl;
-
-import org.osgi.service.component.ComponentContext;
-
-import calculator.dosgi.CalculatorService;
-import calculator.dosgi.operations.AddService;
-import calculator.dosgi.operations.DivideService;
-import calculator.dosgi.operations.MultiplyService;
-import calculator.dosgi.operations.SubtractService;
-
-/**
- * An implementation of the Calculator service.
- */
-public class CalculatorServiceDSImpl implements CalculatorService {
- private AddService addService;
- private SubtractService subtractService;
- private MultiplyService multiplyService;
- private DivideService divideService;
-
- public CalculatorServiceDSImpl() {
- super();
- System.out.println("CalculatorServiceDSImpl()");
- }
-
- protected void activate(ComponentContext context) {
- System.out.println("Activating " + context);
- }
-
- protected void deactivate(ComponentContext context) {
- System.out.println("Deactivating " + context);
- }
-
- /*
- * The following setters can be used for DS injection
- */
- public void setAddService(AddService addService) {
- System.out.println("setAddService()");
- this.addService = addService;
- }
-
- public void setSubtractService(SubtractService subtractService) {
- this.subtractService = subtractService;
- }
-
- public void setDivideService(DivideService divideService) {
- this.divideService = divideService;
- }
-
- public void setMultiplyService(MultiplyService multiplyService) {
- this.multiplyService = multiplyService;
- }
-
- /*
- * The following setters can be used for DS injection
- */
- public void unsetAddService(AddService addService) {
- System.out.println("unsetAddService()");
- this.addService = null;
- }
-
- public void unsetSubtractService(SubtractService subtractService) {
- this.subtractService = null;
- }
-
- public void unsetDivideService(DivideService divideService) {
- this.divideService = null;
- }
-
- public void unsetMultiplyService(MultiplyService multiplyService) {
- this.multiplyService = null;
- }
- private <T> T getService(Class<T> cls) {
- for (Object s : new Object[] {addService, subtractService, multiplyService, divideService}) {
- if (cls.isInstance(s)) {
- return cls.cast(s);
- }
- }
- throw new IllegalStateException(cls.getSimpleName() + " is not available");
- }
-
- public double add(double n1, double n2) {
- return getService(AddService.class).add(n1, n2);
- }
-
- public double subtract(double n1, double n2) {
- return getService(SubtractService.class).subtract(n1, n2);
- }
-
- public double multiply(double n1, double n2) {
- return getService(MultiplyService.class).multiply(n1, n2);
- }
-
- public double divide(double n1, double n2) {
- return getService(DivideService.class).divide(n1, n2);
- }
-}