added map cache for unit tests

scm-test/src/main/java/sonia/scm/cache/MapCache.java

@@ -0,0 +1,153 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer. 2. Redistributions in
+ * binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution. 3. Neither the name of SCM-Manager;
+ * nor the names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.cache;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.common.collect.Maps;
+
+import sonia.scm.Filter;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.Map;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ * @since 1.17
+ *
+ * @param <K>
+ * @param <V>
+ */
+public class MapCache<K, V> implements Cache<K, V>
+{
+
+  /**
+   * Method description
+   *
+   */
+  @Override
+  public void clear()
+  {
+    map.clear();
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   *
+   * @return
+   */
+  @Override
+  public boolean contains(K key)
+  {
+    return map.containsKey(key);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   * @param value
+   */
+  @Override
+  public void put(K key, V value)
+  {
+    map.put(key, value);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   *
+   * @return
+   */
+  @Override
+  public boolean remove(K key)
+  {
+    return map.remove(key) != null;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param filter
+   *
+   * @return
+   */
+  @Override
+  public boolean removeAll(Filter<K> filter)
+  {
+    boolean result = false;
+
+    for (K key : map.keySet())
+    {
+      if (filter.accept(key))
+      {
+        if (remove(key))
+        {
+          result = true;
+        }
+      }
+    }
+
+    return result;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param key
+   *
+   * @return
+   */
+  @Override
+  public V get(K key)
+  {
+    return map.get(key);
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private Map<K, V> map = Maps.newHashMap();
+}