added caching for the repositorymanager

scm-webapp/src/main/java/sonia/scm/cache/EhCache.java

@@ -0,0 +1,156 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+
+package sonia.scm.cache;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import net.sf.ehcache.Cache;
+import net.sf.ehcache.Element;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.Collection;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ *
+ * @param <K>
+ * @param <V>
+ */
+public class EhCache<K, V> implements ExtendedCache<K, V>
+{
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param cache
+   */
+  public EhCache(Cache cache)
+  {
+    this.cache = cache;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   */
+  @Override
+  public void clear()
+  {
+    cache.removeAll();
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   * @param value
+   */
+  @Override
+  public void put(K key, V value)
+  {
+    cache.put(new Element(key, value));
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   * @param value
+   */
+  @Override
+  public void putCollection(K key, Collection<V> value)
+  {
+    cache.put(new Element(key, value));
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   *
+   * @return
+   */
+  @Override
+  public boolean remove(K key)
+  {
+    return cache.remove(key);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   *
+   * @return
+   */
+  @Override
+  public boolean removeCollection(K key)
+  {
+    return cache.remove(key);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   *
+   * @return
+   */
+  @Override
+  public V get(K key)
+  {
+    V value = null;
+    Element el = cache.get(key);
+
+    if (el != null)
+    {
+      value = (V) el.getObjectValue();
+    }
+
+    return value;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   *
+   * @return
+   */
+  @Override
+  public Collection<V> getCollection(K key)
+  {
+    Collection<V> value = null;
+    Element el = cache.get(key);
+
+    if (el != null)
+    {
+      value = (Collection<V>) el.getObjectValue();
+    }
+
+    return value;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private Cache cache;
+}