core/api/src/main/java/org/apache/polygene/api/object/ObjectFactory.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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.apache.polygene.api.object;

import org.apache.polygene.api.common.ConstructionException;

/**
 * This factory creates and injects POJO's.
 */
public interface ObjectFactory
{
    /**
     * Create new objects of the given type.
     *
     * @param <T> Object type
     * @param type an object class which will be instantiated
     * @param uses objects that can be injected into mixins
     *
     * @return new objects.
     *
     * @throws ConstructionException Thrown if instantiation fails.
     * @throws NoSuchObjectException Thrown if {@code type} class is not an object.
     */
    <T> T newObject( Class<T> type, Object... uses )
        throws NoSuchObjectException, ConstructionException;

    /**
     * Inject an existing instance. Only fields and methods will be called.
     *
     * @param instance instance
     * @param uses dependencies
     *
     * @throws ConstructionException if it was not possible to construct the Object dependencies
     */
    void injectTo( Object instance, Object... uses )
        throws ConstructionException;
}