/*******************************************************************************
 * Copyright (c) 2009, 2019 Xored Software Inc 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
 * https://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *     Xored Software Inc - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.eclipse.rcptt.ecl.data.commands.impl;

import java.util.Collection;


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

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.EDataTypeUniqueEList;
import org.eclipse.rcptt.ecl.core.impl.CommandImpl;
import org.eclipse.rcptt.ecl.data.commands.CommandsPackage;
import org.eclipse.rcptt.ecl.data.commands.SelectColumns;
import org.eclipse.rcptt.ecl.data.objects.Table;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Select Columns</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.rcptt.ecl.data.commands.impl.SelectColumnsImpl#getTable <em>Table</em>}</li>
 *   <li>{@link org.eclipse.rcptt.ecl.data.commands.impl.SelectColumnsImpl#getColumns <em>Columns</em>}</li>
 * </ul>
 *
 * @generated
 */
public class SelectColumnsImpl extends CommandImpl implements SelectColumns {
	/**
	 * The cached value of the '{@link #getTable() <em>Table</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTable()
	 * @generated
	 * @ordered
	 */
	protected Table table;

	/**
	 * The cached value of the '{@link #getColumns() <em>Columns</em>}' attribute list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getColumns()
	 * @generated
	 * @ordered
	 */
	protected EList<String> columns;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Table getTable() {
		if (table != null && table.eIsProxy()) {
			InternalEObject oldTable = (InternalEObject)table;
			table = (Table)eResolveProxy(oldTable);
			if (table != oldTable) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, CommandsPackage.SELECT_COLUMNS__TABLE, oldTable, table));
			}
		}
		return table;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Table basicGetTable() {
		return table;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTable(Table newTable) {
		Table oldTable = table;
		table = newTable;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CommandsPackage.SELECT_COLUMNS__TABLE, oldTable, table));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<String> getColumns() {
		if (columns == null) {
			columns = new EDataTypeUniqueEList<String>(String.class, this, CommandsPackage.SELECT_COLUMNS__COLUMNS);
		}
		return columns;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case CommandsPackage.SELECT_COLUMNS__TABLE:
				if (resolve) return getTable();
				return basicGetTable();
			case CommandsPackage.SELECT_COLUMNS__COLUMNS:
				return getColumns();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case CommandsPackage.SELECT_COLUMNS__TABLE:
				setTable((Table)newValue);
				return;
			case CommandsPackage.SELECT_COLUMNS__COLUMNS:
				getColumns().clear();
				getColumns().addAll((Collection<? extends String>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case CommandsPackage.SELECT_COLUMNS__TABLE:
				setTable((Table)null);
				return;
			case CommandsPackage.SELECT_COLUMNS__COLUMNS:
				getColumns().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case CommandsPackage.SELECT_COLUMNS__TABLE:
				return table != null;
			case CommandsPackage.SELECT_COLUMNS__COLUMNS:
				return columns != null && !columns.isEmpty();
		}
		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(" (columns: ");
		result.append(columns);
		result.append(')');
		return result.toString();
	}

} //SelectColumnsImpl