*/
package org.wamblee.xmlrouter.impl;
+import static org.wamblee.xmlrouter.impl.MessageUtil.*;
+
+import java.util.ArrayList;
import java.util.Collections;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.concurrent.atomic.AtomicLong;
+import java.util.Iterator;
+import java.util.List;
import org.wamblee.xmlrouter.common.Id;
import org.wamblee.xmlrouter.config.Config;
+import org.wamblee.xmlrouter.config.Identifiable;
+
+// TODO think real hard about the prefixing. We want a consistent view for clients.
+// perhaps only provide a method to add items and hide all access to the ids.
/**
* Default implementation of the {@link Config} interface.
*
* @param <T>
*/
-public abstract class ConfigImpl<T> implements ExtendedConfig<T> {
+// TODO make sure that each item inside this config is prefixed with the id of
+// the config.
+public abstract class ConfigImpl<T extends Identifiable<T>> implements
+ ExtendedConfig<T> {
- private boolean dirty;
- private AtomicLong next;
- private Map<Id<T>, T> registered;
+ private Id<Config> id;
+ private List<T> registered;
/**
* Constructs the object.
*/
- public ConfigImpl(AtomicLong aNext) {
- dirty = false;
- next = aNext;
- registered = new LinkedHashMap<Id<T>, T>();
+ public ConfigImpl(Id<Config> aId) {
+ // TODO test for null.
+ id = aId;
+ registered = new ArrayList<T>();
+ }
+
+ @Override
+ public Id<Config> getId() {
+ return id;
}
/*
* @see org.wamblee.xmlrouter.config.Config#add(T)
*/
@Override
- public synchronized Id<T> add(T aT) {
- notNull(aT);
- long seqno = next.incrementAndGet();
- Id<T> id = new Id<T>(seqno);
- registered.put(id, wrap(id, aT));
- dirty = true;
- return id;
+ public synchronized void add(T aT) {
+ notNull("aT", aT);
+ registered.add(wrap(id.getId() + ".", aT));
}
/**
* This is called to wrap the given object by a safer version.
*
- * @param aId
- * Id.
* @param aT
* Object to wrap.
* @return Wrapped object.
*/
- public abstract T wrap(Id<T> aId, T aT);
+ public abstract T wrap(String aPrefix, T aT);
/*
* (non-Javadoc)
*/
@Override
public synchronized boolean remove(Id<T> aId) {
- notNull(aId);
- dirty = true;
- return registered.remove(aId) != null;
- }
-
- @Override
- public Map<Id<T>, T> map() {
- return Collections.unmodifiableMap(registered);
- }
-
- private void notNull(T aT) {
- if (aT == null) {
- throw new NullPointerException("Object is null");
+ notNull("aId", aId);
+ Iterator<T> i = registered.iterator();
+ while (i.hasNext()) {
+ T t = i.next();
+ if (t.getId().equals(aId)) {
+ i.remove();
+ return true;
+ }
}
- }
-
- private void notNull(Id<T> aId) {
- if (aId == null) {
- throw new NullPointerException("Id is null");
- }
- }
-
- @Override
- public boolean isDirty() {
- return dirty;
+ return false;
}
@Override
- public void resetDirty() {
- dirty = false;
+ public List<T> values() {
+ return Collections.unmodifiableList(registered);
}
}