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

import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.ecore.EClass;

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.hl7.fhir.ExtensionContext;
import org.hl7.fhir.ExtensionContextList;
import org.hl7.fhir.FhirPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Extension Context</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.hl7.fhir.impl.ExtensionContextImpl#getValue <em>Value</em>}</li>
 * </ul>
 *
 * @generated
 */
public class ExtensionContextImpl extends ElementImpl implements ExtensionContext {
	/**
	 * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected static final ExtensionContextList VALUE_EDEFAULT = ExtensionContextList.RESOURCE;

	/**
	 * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getValue()
	 * @generated
	 * @ordered
	 */
	protected ExtensionContextList value = VALUE_EDEFAULT;

	/**
	 * This is true if the Value attribute has been set.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	protected boolean valueESet;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ExtensionContextImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return FhirPackage.eINSTANCE.getExtensionContext();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ExtensionContextList getValue() {
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setValue(ExtensionContextList newValue) {
		ExtensionContextList oldValue = value;
		value = newValue == null ? VALUE_EDEFAULT : newValue;
		boolean oldValueESet = valueESet;
		valueESet = true;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, FhirPackage.EXTENSION_CONTEXT__VALUE, oldValue, value, !oldValueESet));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void unsetValue() {
		ExtensionContextList oldValue = value;
		boolean oldValueESet = valueESet;
		value = VALUE_EDEFAULT;
		valueESet = false;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.UNSET, FhirPackage.EXTENSION_CONTEXT__VALUE, oldValue, VALUE_EDEFAULT, oldValueESet));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetValue() {
		return valueESet;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case FhirPackage.EXTENSION_CONTEXT__VALUE:
				return getValue();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case FhirPackage.EXTENSION_CONTEXT__VALUE:
				setValue((ExtensionContextList)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case FhirPackage.EXTENSION_CONTEXT__VALUE:
				unsetValue();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case FhirPackage.EXTENSION_CONTEXT__VALUE:
				return isSetValue();
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (value: ");
		if (valueESet) result.append(value); else result.append("<unset>");
		result.append(')');
		return result.toString();
	}

} //ExtensionContextImpl