BAEL-1109 Introduction to JCache (#2594)

* Evaluation article: Different Types of Bean Injection in Spring * added tests & changed configuration to Java-based config * removed xml config files * rename unit tests * BAEL-972 - Apache Commons Text * remove code from evaluation article * remove code from evaluation article * BAEL-972 - Apache Commons Text - added another example * BAEL-972 - Apache Commons Text - just indentation * BAEL-994 - TemporalAdjuster in Java * BAEL-994 - TemporalAdjuster in Java * BAEL-994 - TemporalAdjuster in Java * BAEL-994 - TemporalAdjuster in Java * BAEL-994 - TemporalAdjuster in Java - fix problems * BAEL-1033 Introduction to StreamUtils * BAEL-1033 Introduction to StreamUtils * BAEL-1033 Introduction to StreamUtils * fix formatting * BAEL-1033 minor refactor * BAEL-1035 Introduction to Eclipse Collections * format * BAEL-1035 Introduction to Eclipse Collections * BAEL-1035 Introduction to Eclipse Collections * BAEL-1035 Introduction to Eclipse Collections * cleanup * cleanup * BAEL-1109 Introduction to JCache * BAEL-1109 Introduction to JCache * remove unneeded property in pom.xml * fix formatting
2017-09-09 21:37:26 +02:00
parent 2b5a6c13f8
commit aa612b71bb
8 changed files with 252 additions and 17 deletions
@@ -0,0 +1,35 @@
+package com.baeldung.jcache;
+
+import static org.junit.Assert.assertEquals;
+
+import javax.cache.Cache;
+import javax.cache.CacheManager;
+import javax.cache.Caching;
+import javax.cache.configuration.FactoryBuilder;
+import javax.cache.configuration.MutableConfiguration;
+import javax.cache.spi.CachingProvider;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class CacheLoaderTest {
+
+    private Cache<Integer, String> cache;
+
+    @Before
+    public void setup() {
+        CachingProvider cachingProvider = Caching.getCachingProvider();
+        CacheManager cacheManager = cachingProvider.getCacheManager();
+        MutableConfiguration<Integer, String> config = new MutableConfiguration<Integer, String>().setReadThrough(true)
+            .setCacheLoaderFactory(new FactoryBuilder.SingletonFactory<>(new SimpleCacheLoader()));
+        this.cache = cacheManager.createCache("SimpleCache", config);
+    }
+
+    @Test
+    public void whenReadingFromStorage_thenCorrect() {
+        for (int i = 1; i < 4; i++) {
+            String value = cache.get(i);
+            assertEquals("fromCache" + i, value);
+        }
+    }
+}
@@ -0,0 +1,32 @@
+package com.baeldung.jcache;
+
+import static org.junit.Assert.assertEquals;
+
+import javax.cache.Cache;
+import javax.cache.CacheManager;
+import javax.cache.Caching;
+import javax.cache.configuration.MutableConfiguration;
+import javax.cache.spi.CachingProvider;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class EntryProcessorTest {
+
+    private Cache<String, String> cache;
+
+    @Before
+    public void instantiateCache() {
+        CachingProvider cachingProvider = Caching.getCachingProvider();
+        CacheManager cacheManager = cachingProvider.getCacheManager();
+        MutableConfiguration<String, String> config = new MutableConfiguration<String, String>();
+        this.cache = cacheManager.createCache("MyCache", config);
+        this.cache.put("key", "value");
+    }
+
+    @Test
+    public void whenModifyValue_thenCorrect() {
+        this.cache.invoke("key", new SimpleEntryProcessor());
+        assertEquals("value - modified", cache.get("key"));
+    }
+}
@@ -0,0 +1,46 @@
+package com.baeldung.jcache;
+
+import static org.junit.Assert.assertEquals;
+
+import javax.cache.Cache;
+import javax.cache.CacheManager;
+import javax.cache.Caching;
+import javax.cache.configuration.FactoryBuilder;
+import javax.cache.configuration.MutableCacheEntryListenerConfiguration;
+import javax.cache.configuration.MutableConfiguration;
+import javax.cache.spi.CachingProvider;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class EventListenerTest {
+
+    private Cache<String, String> cache;
+    private SimpleCacheEntryListener listener;
+    MutableCacheEntryListenerConfiguration<String, String> listenerConfiguration;
+
+    @Before
+    public void setup() {
+        CachingProvider cachingProvider = Caching.getCachingProvider();
+        CacheManager cacheManager = cachingProvider.getCacheManager();
+        MutableConfiguration<String, String> config = new MutableConfiguration<String, String>();
+        this.cache = cacheManager.createCache("MyCache", config);
+        this.listener = new SimpleCacheEntryListener();
+    }
+
+    @Test
+    public void whenRunEvent_thenCorrect() throws InterruptedException {
+        this.listenerConfiguration = new MutableCacheEntryListenerConfiguration<String, String>(FactoryBuilder.factoryOf(this.listener), null, false, true);
+        this.cache.registerCacheEntryListener(this.listenerConfiguration);
+
+        assertEquals(false, this.listener.getCreated());
+
+        this.cache.put("key", "value");
+        assertEquals(true, this.listener.getCreated());
+        assertEquals(false, this.listener.getUpdated());
+
+        this.cache.put("key", "newValue");
+        assertEquals(true, this.listener.getUpdated());
+    }
+
+}
@@ -0,0 +1,27 @@
+package com.baeldung.jcache;
+
+import static org.junit.Assert.assertEquals;
+
+import javax.cache.Cache;
+import javax.cache.CacheManager;
+import javax.cache.Caching;
+import javax.cache.configuration.MutableConfiguration;
+import javax.cache.spi.CachingProvider;
+
+import org.junit.Test;
+
+public class JCacheTest {
+
+    @Test
+    public void instantiateCache() {
+        CachingProvider cachingProvider = Caching.getCachingProvider();
+        CacheManager cacheManager = cachingProvider.getCacheManager();
+        MutableConfiguration<String, String> config = new MutableConfiguration<>();
+        Cache<String, String> cache = cacheManager.createCache("simpleCache", config);
+        cache.put("key1", "value1");
+        cache.put("key2", "value2");
+        assertEquals("value1", cache.get("key1"));
+        assertEquals("value2", cache.get("key2"));
+        cacheManager.close();
+    }
+}