FunctionItemProviderAdapterFactory.java

/*
 * JBoss, Home of Professional Open Source.
 *
 * See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
 *
 * See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
 */
package org.teiid.designer.metamodels.function.provider;

import java.util.ArrayList;
import java.util.Collection;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.edit.provider.ChangeNotifier;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.IChangeNotifier;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.INotifyChangedListener;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.teiid.designer.metamodels.function.util.FunctionAdapterFactory;

/**
 * This is the factory that is used to provide the interfaces needed to support Viewers.
 * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
 * The adapters also support Eclipse property sheets.
 * Note that most of the adapters are shared among multiple instances.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 *
 * @since 8.0
 */
public class FunctionItemProviderAdapterFactory extends FunctionAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier {
    /**
     * This keeps track of the root adapter factory that delegates to this adapter factory.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected ComposedAdapterFactory parentAdapterFactory;

    /**
     * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected IChangeNotifier changeNotifier = new ChangeNotifier();

    /**
     * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected Collection supportedTypes = new ArrayList();

    /**
     * This constructs an instance.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public FunctionItemProviderAdapterFactory() {
        supportedTypes.add(IStructuredItemContentProvider.class);
        supportedTypes.add(ITreeItemContentProvider.class);
        supportedTypes.add(IItemPropertySource.class);
        supportedTypes.add(IEditingDomainItemProvider.class);
        supportedTypes.add(IItemLabelProvider.class);
    }

    /**
     * This keeps track of the one adapter used for all {@link org.teiid.designer.metamodels.function.ScalarFunction} instances.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected ScalarFunctionItemProvider scalarFunctionItemProvider;

    /**
     * This creates an adapter for a {@link org.teiid.designer.metamodels.function.ScalarFunction}.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Adapter createScalarFunctionAdapter() {
        if (scalarFunctionItemProvider == null) {
            scalarFunctionItemProvider = new ScalarFunctionItemProvider(this);
        }

        return scalarFunctionItemProvider;
    }

    /**
     * This keeps track of the one adapter used for all {@link org.teiid.designer.metamodels.function.FunctionParameter} instances.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected FunctionParameterItemProvider functionParameterItemProvider;

    /**
     * This creates an adapter for a {@link org.teiid.designer.metamodels.function.FunctionParameter}.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Adapter createFunctionParameterAdapter() {
        if (functionParameterItemProvider == null) {
            functionParameterItemProvider = new FunctionParameterItemProvider(this);
        }

        return functionParameterItemProvider;
    }

    /**
     * This keeps track of the one adapter used for all {@link org.teiid.designer.metamodels.function.ReturnParameter} instances.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected ReturnParameterItemProvider returnParameterItemProvider;

    /**
     * This creates an adapter for a {@link org.teiid.designer.metamodels.function.ReturnParameter}.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Adapter createReturnParameterAdapter() {
        if (returnParameterItemProvider == null) {
            returnParameterItemProvider = new ReturnParameterItemProvider(this);
        }

        return returnParameterItemProvider;
    }

    /**
     * This returns the root adapter factory that contains this factory.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
	public ComposeableAdapterFactory getRootAdapterFactory() {
        return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
    }

    /**
     * This sets the composed adapter factory that contains this factory.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
        this.parentAdapterFactory = parentAdapterFactory;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean isFactoryForType(Object type) {
        return supportedTypes.contains(type) || super.isFactoryForType(type);
    }

    /**
     * This implementation substitutes the factory itself as the key for the adapter.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Adapter adapt(Notifier notifier, Object type) {
        return super.adapt(notifier, this);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object adapt(Object object, Object type) {
        if (isFactoryForType(type)) {
            Object adapter = super.adapt(object, type);
            if (!(type instanceof Class) || (((Class)type).isInstance(adapter))) {
                return adapter;
            }
        }

        return null;
    }

    /**
     * This adds a listener.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
	public void addListener(INotifyChangedListener notifyChangedListener) {
        changeNotifier.addListener(notifyChangedListener);
    }

    /**
     * This removes a listener.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
	public void removeListener(INotifyChangedListener notifyChangedListener) {
        changeNotifier.removeListener(notifyChangedListener);
    }

    /**
     * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
	public void fireNotifyChanged(Notification notification) {
        changeNotifier.fireNotifyChanged(notification);

        if (parentAdapterFactory != null) {
            parentAdapterFactory.fireNotifyChanged(notification);
        }
    }

}