/**
 * <copyright>
 * </copyright>
 *
 * $Id: ProjectModulesImpl.java,v 1.1 2005/02/13 16:27:46 cbridgha Exp $
 */
package org.eclipse.wst.common.modulecore.internal.impl;

import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.wst.common.modulecore.ModuleCorePackage;
import org.eclipse.wst.common.modulecore.ProjectModules;
import org.eclipse.wst.common.modulecore.WorkbenchModule;

/**
 * <!-- begin-user-doc --> An implementation of the model object '<em><b>Project Modules</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.wst.common.modulecore.internal.impl.ProjectModulesImpl#getProjectName <em>Project Name</em>}</li>
 *   <li>{@link org.eclipse.wst.common.modulecore.internal.impl.ProjectModulesImpl#getWorkbenchModules <em>Workbench Modules</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ProjectModulesImpl extends EObjectImpl implements ProjectModules {
	/**
	 * The default value of the '{@link #getProjectName() <em>Project Name</em>}' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getProjectName()
	 * @generated
	 * @ordered
	 */
	protected static final String PROJECT_NAME_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getProjectName() <em>Project Name</em>}' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getProjectName()
	 * @generated
	 * @ordered
	 */
	protected String projectName = PROJECT_NAME_EDEFAULT;

	/**
	 * The cached value of the '{@link #getWorkbenchModules() <em>Workbench Modules</em>}' containment reference list.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getWorkbenchModules()
	 * @generated
	 * @ordered
	 */
	protected EList workbenchModules = null;

	private boolean isIndexed;

	private final Map modulesIndex = new HashMap();

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public String getProjectName() {
		return projectName;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setProjectName(String newProjectName) {
		String oldProjectName = projectName;
		projectName = newProjectName;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ModuleCorePackage.PROJECT_MODULES__PROJECT_NAME, oldProjectName, projectName));
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public EList getWorkbenchModules() {
		if (workbenchModules == null) {
			workbenchModules = new EObjectContainmentEList(WorkbenchModule.class, this, ModuleCorePackage.PROJECT_MODULES__WORKBENCH_MODULES);
		}
		return workbenchModules;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) {
		if (featureID >= 0) {
			switch (eDerivedStructuralFeatureID(featureID, baseClass)) {
				case ModuleCorePackage.PROJECT_MODULES__WORKBENCH_MODULES:
					return ((InternalEList)getWorkbenchModules()).basicRemove(otherEnd, msgs);
				default:
					return eDynamicInverseRemove(otherEnd, featureID, baseClass, msgs);
			}
		}
		return eBasicSetContainer(null, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(EStructuralFeature eFeature, boolean resolve) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case ModuleCorePackage.PROJECT_MODULES__PROJECT_NAME:
				return getProjectName();
			case ModuleCorePackage.PROJECT_MODULES__WORKBENCH_MODULES:
				return getWorkbenchModules();
		}
		return eDynamicGet(eFeature, resolve);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(EStructuralFeature eFeature, Object newValue) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case ModuleCorePackage.PROJECT_MODULES__PROJECT_NAME:
				setProjectName((String)newValue);
				return;
			case ModuleCorePackage.PROJECT_MODULES__WORKBENCH_MODULES:
				getWorkbenchModules().clear();
				getWorkbenchModules().addAll((Collection)newValue);
				return;
		}
		eDynamicSet(eFeature, newValue);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case ModuleCorePackage.PROJECT_MODULES__PROJECT_NAME:
				setProjectName(PROJECT_NAME_EDEFAULT);
				return;
			case ModuleCorePackage.PROJECT_MODULES__WORKBENCH_MODULES:
				getWorkbenchModules().clear();
				return;
		}
		eDynamicUnset(eFeature);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case ModuleCorePackage.PROJECT_MODULES__PROJECT_NAME:
				return PROJECT_NAME_EDEFAULT == null ? projectName != null : !PROJECT_NAME_EDEFAULT.equals(projectName);
			case ModuleCorePackage.PROJECT_MODULES__WORKBENCH_MODULES:
				return workbenchModules != null && !workbenchModules.isEmpty();
		}
		return eDynamicIsSet(eFeature);
	}

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

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (projectName: ");
		result.append(projectName);
		result.append(')');
		return result.toString();
	}

	public WorkbenchModule findWorkbenchModule(String aDeployName) {
		if (!isIndexed()) 
			indexModules(); 
		return (WorkbenchModule) getModulesIndex().get(aDeployName);
	}

	/**
	 * @return
	 */
	private boolean isIndexed() {
		return isIndexed;
	}

	/**
	 * 
	 */
	private void indexModules() {
		if (isIndexed)
			return;

		synchronized (modulesIndex) {
			Adapter adapter = EcoreUtil.getAdapter(eAdapters(), ModuleIndexingAdapter.class);
			if (adapter == null) 
				eAdapters().add((adapter = new ModuleIndexingAdapter()));
			
			WorkbenchModule module = null;
			for(Iterator iter = getWorkbenchModules().iterator(); iter.hasNext(); ) {
				module = (WorkbenchModule) iter.next();
				modulesIndex.put(module.getDeployedName(), module);
			}
		}
		isIndexed = true;
	}

	/**
	 * @return
	 */
	/* package */ Map getModulesIndex() {
		return modulesIndex;
	}

} // ProjectModulesImpl