/**
* 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.camel.util.toolbox;
import org.apache.camel.processor.aggregate.AggregationStrategy;
import org.apache.camel.processor.aggregate.AggregationStrategyBeanAdapter;
import org.apache.camel.processor.aggregate.GroupedExchangeAggregationStrategy;
import org.apache.camel.processor.aggregate.UseLatestAggregationStrategy;
/**
* Toolbox class to create commonly used Aggregation Strategies in a fluent manner.
* For more information about the supported {@link AggregationStrategy}, see links to the Javadocs of the relevant class below.
*
* @since 2.12
*/
public final class AggregationStrategies {
private AggregationStrategies() { }
/**
* Creates a {@link FlexibleAggregationStrategy} pivoting around a particular type, e.g. it casts all <tt>pick expression</tt>
* results to the desired type.
*
* @param type The type the {@link FlexibleAggregationStrategy} deals with.
*/
public static <T> FlexibleAggregationStrategy<T> flexible(Class<T> type) {
return new FlexibleAggregationStrategy<T>(type);
}
/**
* Creates a {@link FlexibleAggregationStrategy} with no particular type, i.e. performing no casts or type conversion of
* <tt>pick expression</tt> results.
*/
public static FlexibleAggregationStrategy<Object> flexible() {
return new FlexibleAggregationStrategy<Object>();
}
/**
* Use the latest incoming exchange.
* @see UseLatestAggregationStrategy
*/
public static AggregationStrategy useLatest() {
return new UseLatestAggregationStrategy();
}
/**
* Creates a {@link GroupedExchangeAggregationStrategy} aggregation strategy.
*/
public static AggregationStrategy groupedExchange() {
return new GroupedExchangeAggregationStrategy();
}
/**
* Creates a {@link AggregationStrategyBeanAdapter} for using a POJO as the aggregation strategy.
*/
public static AggregationStrategy bean(Object bean) {
return new AggregationStrategyBeanAdapter(bean);
}
/**
* Creates a {@link AggregationStrategyBeanAdapter} for using a POJO as the aggregation strategy.
*/
public static AggregationStrategy bean(Object bean, String methodName) {
return new AggregationStrategyBeanAdapter(bean, methodName);
}
/**
* Creates a {@link AggregationStrategyBeanAdapter} for using a POJO as the aggregation strategy.
*/
public static AggregationStrategy beanAllowNull(Object bean, String methodName) {
AggregationStrategyBeanAdapter adapter = new AggregationStrategyBeanAdapter(bean, methodName);
adapter.setAllowNullOldExchange(true);
adapter.setAllowNullNewExchange(true);
return adapter;
}
/**
* Creates a {@link AggregationStrategyBeanAdapter} for using a POJO as the aggregation strategy.
*/
public static AggregationStrategy bean(Class<?> type) {
return new AggregationStrategyBeanAdapter(type);
}
/**
* Creates a {@link AggregationStrategyBeanAdapter} for using a POJO as the aggregation strategy.
*/
public static AggregationStrategy bean(Class<?> type, String methodName) {
return new AggregationStrategyBeanAdapter(type, methodName);
}
/**
* Creates a {@link AggregationStrategyBeanAdapter} for using a POJO as the aggregation strategy.
*/
public static AggregationStrategy beanAllowNull(Class<?> type, String methodName) {
AggregationStrategyBeanAdapter adapter = new AggregationStrategyBeanAdapter(type, methodName);
adapter.setAllowNullOldExchange(true);
adapter.setAllowNullNewExchange(true);
return adapter;
}
}