+/*
+ * Copyright 2005-2011 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.wamblee.xmlrouter.config;
+
+import java.util.Collection;
+
+import org.wamblee.xmlrouter.common.Id;
+
+/**
+ * Basic configuration interface for managing a set of configuration items of a
+ * given type with unique ids.
+ *
+ * @author Erik Brakkee
+ *
+ * @param <T>
+ * Type for which ids are generated.
+ */
+public interface Config<T> {
+
+ /**
+ * Adds a item
+ *
+ * @param aT
+ * item
+ * @return Unique id.
+ */
+ Id<T> add(T aT);
+
+ /**
+ * Removes the item with a given id.
+ *
+ * @param aId
+ * Item id.
+ * @return true iff the item was removed.
+ */
+ boolean remove(Id<T> aId);
+
+ /**
+ * @return All available ids.
+ */
+ Collection<Id<T>> ids();
+
+ /**
+ * Gets the item for the given id.
+ *
+ * @param aId
+ * Item id.
+ * @return Item, or null if not found.
+ */
+ T get(Id<T> aId);
+
+}
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