/*******************************************************************************
 * Copyright (c) 2006, 2007 Oracle. 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:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt.core.internal.mappings;

import static org.eclipse.jpt.core.internal.mappings.TemporalType.DATE_VALUE;
import static org.eclipse.jpt.core.internal.mappings.TemporalType.NULL_VALUE;
import static org.eclipse.jpt.core.internal.mappings.TemporalType.TIMESTAMP_VALUE;
import static org.eclipse.jpt.core.internal.mappings.TemporalType.TIME_VALUE;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.common.util.Enumerator;
import org.eclipse.jpt.core.internal.content.java.mappings.JPA;

/**
 * <!-- begin-user-doc -->
 * A representation of the literals of the enumeration '<em><b>Temporal Type</b></em>',
 * and utility methods for working with them.
 * <!-- end-user-doc -->
 * @see org.eclipse.jpt.core.internal.mappings.JpaCoreMappingsPackage#getTemporalType()
 * @model
 * @generated
 */
public enum TemporalType implements Enumerator {
	/**
	 * The '<em><b>Null</b></em>' literal object.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #NULL_VALUE
	 * @generated
	 * @ordered
	 */
	NULL(0, "Null", ""), /**
	 * The '<em><b>DATE</b></em>' literal object.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #DATE_VALUE
	 * @generated
	 * @ordered
	 */
	DATE(1, "DATE", "Date"), /**
	 * The '<em><b>TIME</b></em>' literal object.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #TIME_VALUE
	 * @generated
	 * @ordered
	 */
	TIME(2, "TIME", "Time"), /**
	 * The '<em><b>TIMESTAMP</b></em>' literal object.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #TIMESTAMP_VALUE
	 * @generated
	 * @ordered
	 */
	TIMESTAMP(3, "TIMESTAMP", "Timestamp");
	/**
	 * The '<em><b>Null</b></em>' literal value.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of '<em><b>Null</b></em>' literal object isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @see #NULL
	 * @model name="Null" literal=""
	 * @generated
	 * @ordered
	 */
	public static final int NULL_VALUE = 0;

	/**
	 * The '<em><b>DATE</b></em>' literal value.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of '<em><b>DATE</b></em>' literal object isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @see #DATE
	 * @model literal="Date"
	 * @generated
	 * @ordered
	 */
	public static final int DATE_VALUE = 1;

	/**
	 * The '<em><b>TIME</b></em>' literal value.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of '<em><b>TIME</b></em>' literal object isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @see #TIME
	 * @model literal="Time"
	 * @generated
	 * @ordered
	 */
	public static final int TIME_VALUE = 2;

	/**
	 * The '<em><b>TIMESTAMP</b></em>' literal value.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of '<em><b>TIMESTAMP</b></em>' literal object isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @see #TIMESTAMP
	 * @model literal="Timestamp"
	 * @generated
	 * @ordered
	 */
	public static final int TIMESTAMP_VALUE = 3;

	/**
	 * An array of all the '<em><b>Temporal Type</b></em>' enumerators.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private static final TemporalType[] VALUES_ARRAY = new TemporalType[] {
		NULL, DATE, TIME, TIMESTAMP,
	};

	/**
	 * A public read-only list of all the '<em><b>Temporal Type</b></em>' enumerators.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static final List<TemporalType> VALUES = Collections.unmodifiableList(Arrays.asList(VALUES_ARRAY));

	/**
	 * Returns the '<em><b>Temporal Type</b></em>' literal with the specified literal value.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static TemporalType get(String literal) {
		for (int i = 0; i < VALUES_ARRAY.length; ++i) {
			TemporalType result = VALUES_ARRAY[i];
			if (result.toString().equals(literal)) {
				return result;
			}
		}
		return null;
	}

	/**
	 * Returns the '<em><b>Temporal Type</b></em>' literal with the specified name.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static TemporalType getByName(String name) {
		for (int i = 0; i < VALUES_ARRAY.length; ++i) {
			TemporalType result = VALUES_ARRAY[i];
			if (result.getName().equals(name)) {
				return result;
			}
		}
		return null;
	}

	/**
	 * Returns the '<em><b>Temporal Type</b></em>' literal with the specified integer value.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static TemporalType get(int value) {
		switch (value) {
			case NULL_VALUE :
				return NULL;
			case DATE_VALUE :
				return DATE;
			case TIME_VALUE :
				return TIME;
			case TIMESTAMP_VALUE :
				return TIMESTAMP;
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private final int value;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private final String name;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private final String literal;

	/**
	 * Only this class can construct instances.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private TemporalType(int value, String name, String literal) {
		this.value = value;
		this.name = name;
		this.literal = literal;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public int getValue() {
		return value;
	}

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

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

	/**
	 * Returns the literal value of the enumerator, which is its string representation.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		return literal;
	}

	public static TemporalType fromJavaAnnotationValue(Object javaAnnotationValue) {
		if (javaAnnotationValue == null) {
			return NULL;
		}
		if (javaAnnotationValue.equals(JPA.TEMPORAL_TYPE__DATE)) {
			return DATE;
		}
		if (javaAnnotationValue.equals(JPA.TEMPORAL_TYPE__TIME)) {
			return TIME;
		}
		if (javaAnnotationValue.equals(JPA.TEMPORAL_TYPE__TIMESTAMP)) {
			return TIMESTAMP;
		}
		return NULL;
	}

	public String convertToJavaAnnotationValue() {
		switch (this.getValue()) {
			case NULL_VALUE :
				return null;
			case DATE_VALUE :
				return JPA.TEMPORAL_TYPE__DATE;
			case TIME_VALUE :
				return JPA.TEMPORAL_TYPE__TIME;
			case TIMESTAMP_VALUE :
				return JPA.TEMPORAL_TYPE__TIMESTAMP;
			default :
				throw new IllegalArgumentException("unknown temporal type: " + this);
		}
	}
}