/**
 */
package org.hl7.fhir;

import org.eclipse.emf.common.util.EList;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Substance</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * A homogeneous material with a definite composition.
 * If the element is present, it must have either a @value, an @id, or extensions
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * </p>
 * <ul>
 *   <li>{@link org.hl7.fhir.Substance#getIdentifier <em>Identifier</em>}</li>
 *   <li>{@link org.hl7.fhir.Substance#getCategory <em>Category</em>}</li>
 *   <li>{@link org.hl7.fhir.Substance#getCode <em>Code</em>}</li>
 *   <li>{@link org.hl7.fhir.Substance#getDescription <em>Description</em>}</li>
 *   <li>{@link org.hl7.fhir.Substance#getInstance <em>Instance</em>}</li>
 *   <li>{@link org.hl7.fhir.Substance#getIngredient <em>Ingredient</em>}</li>
 * </ul>
 *
 * @see org.hl7.fhir.FhirPackage#getSubstance()
 * @model extendedMetaData="name='Substance' kind='elementOnly'"
 * @generated
 */
public interface Substance extends DomainResource {
	/**
	 * Returns the value of the '<em><b>Identifier</b></em>' containment reference list.
	 * The list contents are of type {@link org.hl7.fhir.Identifier}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Unique identifier for the substance.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Identifier</em>' containment reference list.
	 * @see org.hl7.fhir.FhirPackage#getSubstance_Identifier()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='identifier' namespace='##targetNamespace'"
	 * @generated
	 */
	EList<Identifier> getIdentifier();

	/**
	 * Returns the value of the '<em><b>Category</b></em>' containment reference list.
	 * The list contents are of type {@link org.hl7.fhir.CodeableConcept}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * A code that classifies the general type of substance.  This is used  for searching, sorting and display purposes.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Category</em>' containment reference list.
	 * @see org.hl7.fhir.FhirPackage#getSubstance_Category()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='category' namespace='##targetNamespace'"
	 * @generated
	 */
	EList<CodeableConcept> getCategory();

	/**
	 * Returns the value of the '<em><b>Code</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * A code (or set of codes) that identify this substance.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Code</em>' containment reference.
	 * @see #setCode(CodeableConcept)
	 * @see org.hl7.fhir.FhirPackage#getSubstance_Code()
	 * @model containment="true" required="true"
	 *        extendedMetaData="kind='element' name='code' namespace='##targetNamespace'"
	 * @generated
	 */
	CodeableConcept getCode();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Substance#getCode <em>Code</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Code</em>' containment reference.
	 * @see #getCode()
	 * @generated
	 */
	void setCode(CodeableConcept value);

	/**
	 * Returns the value of the '<em><b>Description</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * A description of the substance - its appearance, handling requirements, and other usage notes.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Description</em>' containment reference.
	 * @see #setDescription(org.hl7.fhir.String)
	 * @see org.hl7.fhir.FhirPackage#getSubstance_Description()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='description' namespace='##targetNamespace'"
	 * @generated
	 */
	org.hl7.fhir.String getDescription();

	/**
	 * Sets the value of the '{@link org.hl7.fhir.Substance#getDescription <em>Description</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Description</em>' containment reference.
	 * @see #getDescription()
	 * @generated
	 */
	void setDescription(org.hl7.fhir.String value);

	/**
	 * Returns the value of the '<em><b>Instance</b></em>' containment reference list.
	 * The list contents are of type {@link org.hl7.fhir.SubstanceInstance}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Substance may be used to describe a kind of substance, or a specific package/container of the substance: an instance.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Instance</em>' containment reference list.
	 * @see org.hl7.fhir.FhirPackage#getSubstance_Instance()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='instance' namespace='##targetNamespace'"
	 * @generated
	 */
	EList<SubstanceInstance> getInstance();

	/**
	 * Returns the value of the '<em><b>Ingredient</b></em>' containment reference list.
	 * The list contents are of type {@link org.hl7.fhir.SubstanceIngredient}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * A substance can be composed of other substances.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Ingredient</em>' containment reference list.
	 * @see org.hl7.fhir.FhirPackage#getSubstance_Ingredient()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='ingredient' namespace='##targetNamespace'"
	 * @generated
	 */
	EList<SubstanceIngredient> getIngredient();

} // Substance