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    • com.sap.cds.reflect.CdsParameter Maven / Gradle / Ivy

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    /*******************************************************************
 * © 2019-2022 SAP SE or an SAP affiliate company. All rights reserved. *
 *******************************************************************/
package com.sap.cds.reflect;

import java.util.Optional;

public interface CdsParameter extends CdsAnnotatable {

	/**
	 * Returns the name of this {@code CdsParameter}.
	 * 
	 * @return the name of this parameter, not {@code null}
	 */
	String getName();

	/**
	 * Returns the type of this {@code CdsParameter}.
	 * 
	 * @return the type of this parameter, not {@code null}
	 */
	CdsType getType();

	/**
	 * Returns an {@link Optional} wrapping the default value of this
	 * {@code CdsParameter}.
	 * 
	 * @return an {@code Optional} describing the default value of the
	 *         {@code CdsParameter}, or an empty {@code Optional} if there is no
	 *         default value
	 */
	Optional getDefaultValue();

	/**
	 * Accepts a {@link CdsVisitor} visiting this type.
	 * 
	 * @param visitor the {@code CdsVisitor}
	 */
	default void accept(CdsVisitor visitor) {
		visitor.visit(this);
	}

	/**
	 * Returns true if this parameter cannot be null
	 *
	 * @return true if this parameter cannot be null, otherwise false
	 */
	boolean isNotNull();

}
    
    
    
    

    




    
    
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