/***********************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Actuate Corporation - initial API and implementation
 ***********************************************************************/

package org.eclipse.birt.chart.model.attribute;

import org.eclipse.emf.ecore.EObject;

/**
 * <!-- begin-user-doc --> A representation of the model object '<em><b>Data Point Component</b></em>'. <!--
 * end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * 
 * 			This type represents the data value being displayed in the plot area for each data value.
 * 			
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.birt.chart.model.attribute.DataPointComponent#getType <em>Type</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.attribute.DataPointComponent#getFormatSpecifier <em>Format Specifier</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.birt.chart.model.attribute.AttributePackage#getDataPointComponent()
 * @model extendedMetaData="name='DataPointComponent' kind='elementOnly'"
 * @generated
 */
public interface DataPointComponent extends EObject
{

	/**
	 * Returns the value of the '<em><b>Type</b></em>' attribute. The default value is <code>"Base_Value"</code>.
	 * The literals are from the enumeration {@link org.eclipse.birt.chart.model.attribute.DataPointComponentType}.
	 * <!-- begin-user-doc --> <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Specifies the type of data point component.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Type</em>' attribute.
	 * @see org.eclipse.birt.chart.model.attribute.DataPointComponentType
	 * @see #isSetType()
	 * @see #unsetType()
	 * @see #setType(DataPointComponentType)
	 * @see org.eclipse.birt.chart.model.attribute.AttributePackage#getDataPointComponent_Type()
	 * @model default="Base_Value" unique="false" unsettable="true" required="true"
	 * @generated
	 */
	DataPointComponentType getType( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.attribute.DataPointComponent#getType <em>Type</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @param value the new value of the '<em>Type</em>' attribute.
	 * @see org.eclipse.birt.chart.model.attribute.DataPointComponentType
	 * @see #isSetType()
	 * @see #unsetType()
	 * @see #getType()
	 * @generated
	 */
	void setType( DataPointComponentType value );

	/**
	 * Unsets the value of the '{@link org.eclipse.birt.chart.model.attribute.DataPointComponent#getType <em>Type</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isSetType()
	 * @see #getType()
	 * @see #setType(DataPointComponentType)
	 * @generated
	 */
	void unsetType( );

	/**
	 * Returns whether the value of the '
	 * {@link org.eclipse.birt.chart.model.attribute.DataPointComponent#getType <em>Type</em>}' attribute is set. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @return whether the value of the '<em>Type</em>' attribute is set.
	 * @see #unsetType()
	 * @see #getType()
	 * @see #setType(DataPointComponentType)
	 * @generated
	 */
	boolean isSetType( );

	/**
	 * Returns the value of the '<em><b>Format Specifier</b></em>' containment reference. <!-- begin-user-doc -->
	 * <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Specifies the format specifier to be used for this data point component in the data label.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Format Specifier</em>' containment reference.
	 * @see #setFormatSpecifier(FormatSpecifier)
	 * @see org.eclipse.birt.chart.model.attribute.AttributePackage#getDataPointComponent_FormatSpecifier()
	 * @model containment="true" resolveProxies="false" required="true"
	 * @generated
	 */
	FormatSpecifier getFormatSpecifier( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.attribute.DataPointComponent#getFormatSpecifier <em>Format Specifier</em>}' containment reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @param value the new value of the '<em>Format Specifier</em>' containment reference.
	 * @see #getFormatSpecifier()
	 * @generated
	 */
	void setFormatSpecifier( FormatSpecifier value );

} // DataPointComponent
