/*****************************************************************
* 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
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package org.apache.cayenne.di.spi;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.cayenne.di.DIRuntimeException;
import org.apache.cayenne.di.Provider;
/**
* @since 3.1
*/
class MapProvider<T> implements Provider<Map<String, T>> {
private Map<String, Provider<? extends T>> providers;
public MapProvider() {
this.providers = new HashMap<>();
}
@Override
public Map<String, T> get() throws DIRuntimeException {
Map<String, T> map = new HashMap<>();
for (Entry<String, Provider<? extends T>> entry : providers.entrySet()) {
map.put(entry.getKey(), entry.getValue().get());
}
return map;
}
void put(String key, Provider<? extends T> provider) {
providers.put(key, provider);
}
}