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/**************************************************************************
 * (C) 2020-2023 SAP SE or an SAP affiliate company. All rights reserved. *
 **************************************************************************/
package com.sap.cds.reflect.impl;

import java.util.Collection;
import java.util.List;

import com.sap.cds.reflect.CdsAnnotation;
import com.sap.cds.reflect.CdsBoundFunction;
import com.sap.cds.reflect.CdsFunction;
import com.sap.cds.reflect.CdsParameter;
import com.sap.cds.reflect.CdsType;

public class CdsFunctionBuilder extends CdsOperationBuilder {

	CdsFunctionBuilder(boolean isBound, List> annotations, String qualifiedName, String name, String doc) {
		super(isBound, annotations, qualifiedName, name, doc);
	}

	@Override
	protected CdsFunction createBound(String doc, List parameters, CdsType returnType, CdsParameter bindingParameter) {
		return new CdsBoundFunctionImpl(annotations, qualifiedName, getName(), doc, parameters, returnType, bindingParameter);
	}

	@Override
	protected CdsFunction createUnbound(String doc, List parameters, CdsType returnType) {
		return new CdsFunctionImpl(annotations, qualifiedName, getName(), doc, parameters, returnType);
	}


	private static class CdsFunctionImpl extends CdsOperationImpl implements CdsFunction {

		private CdsFunctionImpl(Collection> annotations, String qualifiedName, String name, String doc, List parameters, CdsType returnType) {
			super(annotations, qualifiedName, name, doc, parameters, returnType);
		}

		@Override
		public CdsType getReturnType() {
			return returnType;
		}
	}

	private static class CdsBoundFunctionImpl extends CdsFunctionImpl implements CdsBoundFunction {

		private final CdsParameter bindingParameter;

		private CdsBoundFunctionImpl(Collection> annotations, String qualifiedName, String name, String doc, List parameters, CdsType returnType, CdsParameter bindingParameter) {
			super(annotations, qualifiedName, name, doc, parameters, returnType);
			this.bindingParameter = bindingParameter;
		}

		@Override
		public CdsParameter getBindingParameter() {
			return bindingParameter;
		}
	}
}