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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.controlloop.actorserviceprovider.impl;
import java.util.Map;
import lombok.Getter;
import org.onap.policy.controlloop.actorserviceprovider.Operation;
import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
/**
* Operator with typed parameter information.
*
* @param <C> type of configuration data
* @param <T> type of operation that the operator creates
*/
public abstract class TypedOperator<C, T extends Operation> extends OperatorPartial {
/**
* Function to make an operation.
*/
private final OperationMaker<C, T> operationMaker;
/**
* Current configuration. This is set by {@link #doConfigure(Map)}.
*/
@Getter
private C currentConfig;
/**
* Constructs the object.
*
* @param actorName name of the actor with which this operator is associated
* @param name operation name
*/
protected TypedOperator(String actorName, String name) {
this(actorName, name, null);
}
/**
* Constructs the object.
*
* @param actorName name of the actor with which this operator is associated
* @param name operation name
* @param operationMaker function to make an operation
*/
public TypedOperator(String actorName, String name, OperationMaker<C, T> operationMaker) {
super(actorName, name);
this.operationMaker = operationMaker;
}
/**
* Translates the parameters, saving the relevant configuration data.
*/
@Override
protected void doConfigure(Map<String, Object> parameters) {
currentConfig = makeConfiguration(parameters);
}
/**
* Makes a new configuration using the specified parameters.
*
* @param parameters operator parameters
* @return a new configuration
*/
protected abstract C makeConfiguration(Map<String, Object> parameters);
@Override
public T buildOperation(ControlLoopOperationParams params) {
if (operationMaker == null) {
throw new UnsupportedOperationException("cannot make operation for " + getFullName());
}
verifyRunning();
return operationMaker.apply(params, currentConfig);
}
}
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