/*
* 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.tamaya.core.internal;
import org.apache.tamaya.spi.ConfigurationContext;
import org.apache.tamaya.spi.PropertyValue;
import java.util.HashMap;
import java.util.Map;
/**
* Component SPI which encapsulates the evaluation of a single or full <b>raw</b>value
* for a {@link ConfigurationContext}.
*/
public interface ConfigValueEvaluator {
/**
* Evaluates single value using a {@link ConfigurationContext}.
* @param key the config key, not {@code null}.
* @param context the context, not {@code null}.
* @return the value, or null.
*/
PropertyValue evaluteRawValue(String key, ConfigurationContext context);
/**
* Evaluates all property values from a {@link ConfigurationContext}.
* @param context the context, not {@code null}.
* @return the value, or null.
*/
Map<String, PropertyValue> evaluateRawValues(ConfigurationContext context);
}