/*******************************************************************************
 * Copyright (c) 2011, 2020 Willink Transformations and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *     E.D.Willink - initial API and implementation
 *******************************************************************************/
package org.eclipse.qvtd.pivot.qvtbase.impl;

import java.lang.reflect.InvocationTargetException;
import java.util.Map;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.BooleanType;
import org.eclipse.ocl.pivot.OCLExpression;
import org.eclipse.ocl.pivot.Type;
import org.eclipse.ocl.pivot.evaluation.Executor;
import org.eclipse.ocl.pivot.ids.IdResolver;
import org.eclipse.ocl.pivot.ids.TypeId;
import org.eclipse.ocl.pivot.internal.ElementImpl;
import org.eclipse.ocl.pivot.library.oclany.OclComparableLessThanEqualOperation;
import org.eclipse.ocl.pivot.library.string.CGStringGetSeverityOperation;
import org.eclipse.ocl.pivot.library.string.CGStringLogDiagnosticOperation;
import org.eclipse.ocl.pivot.util.Visitor;
import org.eclipse.ocl.pivot.utilities.PivotUtil;
import org.eclipse.ocl.pivot.utilities.ValueUtil;
import org.eclipse.ocl.pivot.values.IntegerValue;
import org.eclipse.qvtd.pivot.qvtbase.Pattern;
import org.eclipse.qvtd.pivot.qvtbase.Predicate;
import org.eclipse.qvtd.pivot.qvtbase.QVTbasePackage;
import org.eclipse.qvtd.pivot.qvtbase.QVTbaseTables;
import org.eclipse.qvtd.pivot.qvtbase.util.QVTbaseVisitor;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Predicate</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtbase.impl.PredicateImpl#getConditionExpression <em>Condition Expression</em>}</li>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtbase.impl.PredicateImpl#getPattern <em>Pattern</em>}</li>
 * </ul>
 *
 * @generated
 */
public class PredicateImpl extends ElementImpl implements Predicate {
	/**
	 * The number of structural features of the '<em>Predicate</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int PREDICATE_FEATURE_COUNT = ElementImpl.ELEMENT_FEATURE_COUNT + 2;
	/**
	 * The number of operations of the '<em>Predicate</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int PREDICATE_OPERATION_COUNT = ElementImpl.ELEMENT_OPERATION_COUNT + 1;
	/**
	 * The cached value of the '{@link #getConditionExpression() <em>Condition Expression</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getConditionExpression()
	 * @generated
	 * @ordered
	 */
	protected OCLExpression conditionExpression;

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return QVTbasePackage.Literals.PREDICATE;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public OCLExpression getConditionExpression() {
		return conditionExpression;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetConditionExpression(OCLExpression newConditionExpression, NotificationChain msgs) {
		OCLExpression oldConditionExpression = conditionExpression;
		conditionExpression = newConditionExpression;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ElementImpl.ELEMENT_FEATURE_COUNT + 0, oldConditionExpression, newConditionExpression);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setConditionExpression(OCLExpression newConditionExpression) {
		if (newConditionExpression != conditionExpression) {
			NotificationChain msgs = null;
			if (conditionExpression != null)
				msgs = ((InternalEObject)conditionExpression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - (ElementImpl.ELEMENT_FEATURE_COUNT + 0), null, msgs);
			if (newConditionExpression != null)
				msgs = ((InternalEObject)newConditionExpression).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - (ElementImpl.ELEMENT_FEATURE_COUNT + 0), null, msgs);
			msgs = basicSetConditionExpression(newConditionExpression, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ElementImpl.ELEMENT_FEATURE_COUNT + 0, newConditionExpression, newConditionExpression));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Pattern getPattern() {
		if (eContainerFeatureID() != (ElementImpl.ELEMENT_FEATURE_COUNT + 1)) return null;
		return (Pattern)eInternalContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetPattern(Pattern newPattern, NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject)newPattern, ElementImpl.ELEMENT_FEATURE_COUNT + 1, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setPattern(Pattern newPattern) {
		if (newPattern != eInternalContainer() || (eContainerFeatureID() != (ElementImpl.ELEMENT_FEATURE_COUNT + 1) && newPattern != null)) {
			if (EcoreUtil.isAncestor(this, newPattern))
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
			NotificationChain msgs = null;
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newPattern != null)
				msgs = ((InternalEObject)newPattern).eInverseAdd(this, ElementImpl.ELEMENT_FEATURE_COUNT + 0, Pattern.class, msgs);
			msgs = basicSetPattern(newPattern, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ElementImpl.ELEMENT_FEATURE_COUNT + 1, newPattern, newPattern));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean validateConditionIsBoolean(final DiagnosticChain diagnostics, final Map<Object, Object> context) {
		final @NonNull String constraintName = "Predicate::ConditionIsBoolean";
		try {
			/**
			 *
			 * inv ConditionIsBoolean:
			 *   let severity : Integer[1] = constraintName.getSeverity()
			 *   in
			 *     if severity <= 0
			 *     then true
			 *     else
			 *       let result : Boolean[1] = conditionExpression.type = Boolean
			 *       in
			 *         constraintName.logDiagnostic(self, null, diagnostics, context, null, severity, result, 0)
			 *     endif
			 */
			final /*@NonInvalid*/ @NonNull Executor executor = PivotUtil.getExecutor(this);
			final /*@NonInvalid*/ @NonNull IdResolver idResolver = executor.getIdResolver();
			final /*@NonInvalid*/ @NonNull IntegerValue severity_0 = CGStringGetSeverityOperation.INSTANCE.evaluate(executor, QVTbasePackage.Literals.PREDICATE___VALIDATE_CONDITION_IS_BOOLEAN__DIAGNOSTICCHAIN_MAP);
			final /*@NonInvalid*/ boolean le = OclComparableLessThanEqualOperation.INSTANCE.evaluate(executor, severity_0, QVTbaseTables.INT_0).booleanValue();
			/*@NonInvalid*/ boolean symbol_1;
			if (le) {
				symbol_1 = true;
			}
			else {
				final /*@NonInvalid*/ org.eclipse.ocl.pivot.@NonNull Class TYP_Boolean = idResolver.getClass(TypeId.BOOLEAN, null);
				@SuppressWarnings("null")
				final /*@NonInvalid*/ @NonNull OCLExpression conditionExpression = this.getConditionExpression();
				final /*@NonInvalid*/ @Nullable Type type = conditionExpression.getType();
				final /*@NonInvalid*/ @NonNull BooleanType symbol_0 = (BooleanType)TYP_Boolean;
				final /*@NonInvalid*/ boolean result = (type != null) ? (type.getTypeId() == symbol_0.getTypeId()) : false;
				final /*@NonInvalid*/ boolean logDiagnostic = CGStringLogDiagnosticOperation.INSTANCE.evaluate(executor, TypeId.BOOLEAN, constraintName, this, (Object)null, diagnostics, context, (Object)null, severity_0, result, QVTbaseTables.INT_0).booleanValue();
				symbol_1 = logDiagnostic;
			}
			return symbol_1;
		}
		catch (Throwable e) {
			return ValueUtil.validationFailedDiagnostic(constraintName, this, diagnostics, context, e);
		}
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 1:
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetPattern((Pattern)otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 0:
				return basicSetConditionExpression(null, msgs);
			case ElementImpl.ELEMENT_FEATURE_COUNT + 1:
				return basicSetPattern(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
		switch (eContainerFeatureID()) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 1:
				return eInternalContainer().eInverseRemove(this, ElementImpl.ELEMENT_FEATURE_COUNT + 0, Pattern.class, msgs);
		}
		return super.eBasicRemoveFromContainerFeature(msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 0:
				return getConditionExpression();
			case ElementImpl.ELEMENT_FEATURE_COUNT + 1:
				return getPattern();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 0:
				setConditionExpression((OCLExpression)newValue);
				return;
			case ElementImpl.ELEMENT_FEATURE_COUNT + 1:
				setPattern((Pattern)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 0:
				setConditionExpression((OCLExpression)null);
				return;
			case ElementImpl.ELEMENT_FEATURE_COUNT + 1:
				setPattern((Pattern)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 0:
				return conditionExpression != null;
			case ElementImpl.ELEMENT_FEATURE_COUNT + 1:
				return getPattern() != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	@SuppressWarnings("unchecked")
	public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException {
		switch (operationID) {
			case ElementImpl.ELEMENT_OPERATION_COUNT + 0:
				return validateConditionIsBoolean((DiagnosticChain)arguments.get(0), (Map<Object, Object>)arguments.get(1));
		}
		return super.eInvoke(operationID, arguments);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public <R> R accept(@NonNull Visitor<R> visitor) {
		if (visitor instanceof QVTbaseVisitor) {
			return (R) ((QVTbaseVisitor<?>)visitor).visitPredicate(this);
		}
		else {
			return super.accept(visitor);
		}
	}
} //PredicateImpl