ServiceMap (basically a key/value map interface)

data-service-base/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- ServiceMap (basically a key/value map interface)
+
 ## [0.2.5 - 2023-11-12]
 
 ### Added

data-service-base/src/main/java/org/fugerit/java/dsb/attributes/ServiceMap.java

@@ -0,0 +1,11 @@
+package org.fugerit.java.dsb.attributes;
+
+public interface ServiceMap<K,V> {
+
+    V get(K key);
+
+    void set(K key, V value);
+
+    void remove(K key);
+
+}

data-service-base/src/main/java/org/fugerit/java/dsb/attributes/SimpleServiceMap.java

@@ -0,0 +1,5 @@
+package org.fugerit.java.dsb.attributes;
+
+public interface SimpleServiceMap extends ServiceMap<String, String> {
+
+}

data-service-base/src/main/java/org/fugerit/java/dsb/attributes/impl/ServiceMapDefault.java

@@ -0,0 +1,29 @@
+package org.fugerit.java.dsb.attributes.impl;
+
+import org.fugerit.java.dsb.attributes.ServiceMap;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ServiceMapDefault<K, V> implements ServiceMap<K, V> {
+
+    private Map<K, V> map;
+    public ServiceMapDefault() {
+        this.map = new HashMap<K, V>();
+    }
+
+    @Override
+    public V get(K key) {
+        return this.map.get( key );
+    }
+
+    @Override
+    public void set(K key, V value ) {
+        this.map.put( key, value );
+    }
+
+    @Override
+    public void remove(K key) {
+        this.map.remove( key );
+    }
+}

data-service-base/src/main/java/org/fugerit/java/dsb/attributes/impl/SimpleServiceMapDefault.java

@@ -0,0 +1,5 @@
+package org.fugerit.java.dsb.attributes.impl;
+
+public class SimpleServiceMapDefault extends ServiceMapDefault<String, String> implements org.fugerit.java.dsb.attributes.SimpleServiceMap {
+
+}

data-service-base/src/test/java/test/org/fugerit/java/dsb/attributes/impl/ServiceMapDefaultTest.java

@@ -0,0 +1,26 @@
+package test.org.fugerit.java.dsb.attributes.impl;
+
+import lombok.extern.slf4j.Slf4j;
+import org.fugerit.java.dsb.attributes.SimpleServiceMap;
+import org.fugerit.java.dsb.attributes.impl.SimpleServiceMapDefault;
+import org.junit.Assert;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+@Slf4j
+public class ServiceMapDefaultTest {
+
+    @Test
+    public void testMapSimple() {
+        String key = "testKey";
+        String value = "testValue";
+        SimpleServiceMap map = new SimpleServiceMapDefault();
+        map.set( key, value );
+        Assert.assertEquals( value, map.get( key ) );
+        map.remove( key );
+        Assert.assertNull( map.get( key ) );
+        log.info( "test key:{}, value:{} ok", key, value );
+    }
+
+}