equality based on the ids of the contents of SingleRouterConfig.

[xmlrouter] / impl / src / main / java / org / wamblee / xmlrouter / impl / ConfigImpl.java

diff --git a/impl/src/main/java/org/wamblee/xmlrouter/impl/ConfigImpl.java b/impl/src/main/java/org/wamblee/xmlrouter/impl/ConfigImpl.java
index 789f75c5178db2da3579c10cd14f1fd96c193932..a1733ab41bf84a9b84cb3986f460586871bd763e 100644 (file)
--- a/impl/src/main/java/org/wamblee/xmlrouter/impl/ConfigImpl.java
+++ b/impl/src/main/java/org/wamblee/xmlrouter/impl/ConfigImpl.java
@@ -15,14 +15,17 @@
  */
 package org.wamblee.xmlrouter.impl;
 
+import static org.wamblee.xmlrouter.impl.MessageUtil.*;
+
 import java.util.Collection;
 import java.util.Collections;
-import java.util.LinkedHashMap;
+import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.atomic.AtomicLong;
 
 import org.wamblee.xmlrouter.common.Id;
 import org.wamblee.xmlrouter.config.Config;
+import org.wamblee.xmlrouter.config.ConfigException;
+import org.wamblee.xmlrouter.config.Identifiable;
 
 /**
  * Default implementation of the {@link Config} interface.
@@ -31,17 +34,24 @@ import org.wamblee.xmlrouter.config.Config;
  * 
  * @param <T>
  */
-public abstract class ConfigImpl<T> implements Config<T> {
+public abstract class ConfigImpl<T extends Identifiable<T>> implements
+    ExtendedConfig<T> {
 
-    private AtomicLong next;
+    private Id<Config> id;
     private Map<Id<T>, T> registered;
 
     /**
      * Constructs the object.
      */
-    public ConfigImpl() {
-        next = new AtomicLong(1);
-        registered = new LinkedHashMap<Id<T>, T>();
+    public ConfigImpl(Id<Config> aId) {
+        notNull("id", aId);
+        id = aId;
+        registered = new HashMap<Id<T>, T>();
+    }
+
+    @Override
+    public Id<Config> getId() {
+        return id;
     }
 
     /*
@@ -50,15 +60,22 @@ public abstract class ConfigImpl<T> implements Config<T> {
      * @see org.wamblee.xmlrouter.config.Config#add(T)
      */
     @Override
-    public Id<T> add(T aT) {
-        notNull(aT);
-        long seqno = next.incrementAndGet();
-        Id<T> id = new Id<T>(seqno);
-        registered.put(id, wrap(id, aT));
-        return id;
+    public synchronized void add(T aT) {
+        notNull("aT", aT);
+        if (registered.containsKey(aT.getId())) {
+            throw new ConfigException("Duplicate id '" + aT.getId() + "'");
+        }
+        registered.put(aT.getId(), wrap(id.getId() + ".", aT));
     }
 
-    public abstract T wrap(Id<T> aId, T aT);
+    /**
+     * This is called to wrap the given object by a safer version.
+     * 
+     * @param aT
+     *            Object to wrap.
+     * @return Wrapped object.
+     */
+    public abstract T wrap(String aPrefix, T aT);
 
     /*
      * (non-Javadoc)
@@ -68,42 +85,35 @@ public abstract class ConfigImpl<T> implements Config<T> {
      * .Id)
      */
     @Override
-    public boolean remove(Id<T> aId) {
-        notNull(aId);
-        return registered.remove(aId) != null;
+    public synchronized boolean remove(Id<T> aId) {
+        notNull("aId", aId);
+        T value = registered.get(aId);
+        if (value != null) {
+            registered.remove(aId);
+            return true;
+        }
+        return false;
     }
 
-    /*
-     * (non-Javadoc)
-     * 
-     * @see org.wamblee.xmlrouter.config.Config#ids()
-     */
     @Override
-    public Collection<Id<T>> ids() {
-        return Collections.unmodifiableCollection(registered.keySet());
+    public Collection<T> values() {
+        return Collections.unmodifiableCollection(registered.values());
     }
 
-    /*
-     * (non-Javadoc)
-     * 
-     * @see
-     * org.wamblee.xmlrouter.config.Config#get(org.wamblee.xmlrouter.common.Id)
-     */
     @Override
-    public T get(Id<T> aId) {
-        notNull(aId);
-        return registered.get(aId);
-    }
-
-    private void notNull(T aT) {
-        if (aT == null) {
-            throw new NullPointerException("Object is null");
+    public boolean equals(Object aObj) {
+        if (aObj == null) {
+            return false;
         }
+        if (!(aObj instanceof ConfigImpl)) {
+            return false;
+        }
+        ConfigImpl obj = (ConfigImpl) aObj;
+        return registered.keySet().equals(obj.registered.keySet());
     }
 
-    private void notNull(Id<T> aId) {
-        if (aId == null) {
-            throw new NullPointerException("Id is null");
-        }
+    @Override
+    public int hashCode() {
+        return registered.keySet().hashCode();
     }
 }