001    /**
002     Licensed to the Apache Software Foundation (ASF) under one or more
003     contributor license agreements.  See the NOTICE file distributed with
004     this work for additional information regarding copyright ownership.
005     The ASF licenses this file to You under the Apache License, Version 2.0
006     (the "License"); you may not use this file except in compliance with
007     the License.  You may obtain a copy of the License at
008    
009          http://www.apache.org/licenses/LICENSE-2.0
010    
011     Unless required by applicable law or agreed to in writing, software
012     distributed under the License is distributed on an "AS IS" BASIS,
013     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     See the License for the specific language governing permissions and
015     limitations under the License.
016    */
017    package org.apache.commons.inject.impl.bind;
018    
019    import org.apache.commons.inject.api.IInjector;
020    import org.apache.commons.inject.api.IProvider;
021    import org.apache.commons.inject.impl.AbstractScopedProvider;
022    
023    public class EagerSingletonProvider<T> extends AbstractScopedProvider<T> {
024            private T instance;
025    
026            public EagerSingletonProvider(IProvider<T> pBaseProvider) {
027                    super(pBaseProvider);
028            }
029    
030            @Override
031            public void init(IInjector pInjector) {
032                    super.init(pInjector);
033                    instance = super.get();
034            }
035    
036    
037            @Override
038            public T get() {
039                    return instance;
040            }
041    
042            @Override
043            public T get(IInjector pInjector) {
044                    return instance;
045            }
046    }