| /* |
| * Copyright (c) 2012, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation |
| // |
| package org.eclipse.persistence.jpa.jpql; |
| |
| /** |
| * An enumeration listing the various releases of EclipseLink. |
| * |
| * @version 2.6 |
| * @since 2.5 |
| * @author Pascal Filion |
| */ |
| public enum EclipseLinkVersion { |
| |
| /** |
| * A constant that points to the current release of EclipseLink, which is 2.6. |
| */ |
| DEFAULT_VERSION(2.6), |
| |
| /** |
| * The constant for the EclipseLink 1.x release. |
| */ |
| VERSION_1_x(1.0), |
| |
| /** |
| * The constant for the EclipseLink 2.0 release. |
| */ |
| VERSION_2_0(2.0), |
| |
| /** |
| * The constant for the EclipseLink 2.1 release. |
| */ |
| VERSION_2_1(2.1), |
| |
| /** |
| * The constant for the EclipseLink 2.2 release. |
| */ |
| VERSION_2_2(2.2), |
| |
| /** |
| * The constant for the EclipseLink 2.3 release. |
| */ |
| VERSION_2_3(2.3), |
| |
| /** |
| * The constant for the EclipseLink 2.4 release. |
| */ |
| VERSION_2_4(2.4), |
| |
| /** |
| * The constant for the EclipseLink 2.5 release. |
| */ |
| VERSION_2_5(2.5), |
| |
| /** |
| * The constant for the EclipseLink 2.6 release. |
| */ |
| VERSION_2_6(2.6); |
| |
| /** |
| * The real version number. |
| */ |
| private double version; |
| |
| /** |
| * Creates a new <code>EclipseLinkVersion</code>. |
| * |
| * @param version The actual version number |
| */ |
| private EclipseLinkVersion(double version) { |
| this.version = version; |
| } |
| |
| /** |
| * Retrieves the enumeration constant for the given value. If the value is not known, then |
| * {@link #DEFAULT_VERSION} will be returned. |
| * |
| * @param value The value to retrieve its constant version |
| * @return The constant version of the given value |
| */ |
| public static EclipseLinkVersion value(String value) { |
| |
| for (EclipseLinkVersion version : versions()) { |
| if (version.getVersion().equals(value)) { |
| return version; |
| } |
| } |
| |
| return DEFAULT_VERSION; |
| } |
| |
| /** |
| * Returns the list of {@link EclipseLinkVersion} excluding {@link #DEFAULT_VERSION}. |
| * |
| * @return The list of unique constants |
| */ |
| public static EclipseLinkVersion[] versions() { |
| EclipseLinkVersion[] values = new EclipseLinkVersion[7]; |
| values[0] = VERSION_1_x; |
| values[1] = VERSION_2_0; |
| values[2] = VERSION_2_1; |
| values[3] = VERSION_2_2; |
| values[4] = VERSION_2_3; |
| values[5] = VERSION_2_4; |
| values[6] = VERSION_2_5; |
| return values; |
| } |
| |
| /** |
| * Returns the real version this constant represents. |
| * |
| * @return The string value of the version |
| */ |
| public String getVersion() { |
| return String.valueOf(version); |
| } |
| |
| /** |
| * Determines whether this constant represents a version that is newer than the given version. |
| * |
| * @param version The constant to verify if it's representing a version that is older than this one |
| * @return <code>true</code> if this constant represents a newer version and the given constant |
| * represents a version that is older; <code>false</code> if the given constant represents a |
| * newer and this constant represents an older version |
| */ |
| public boolean isNewerThan(EclipseLinkVersion version) { |
| return this.version > version.version; |
| } |
| |
| /** |
| * Determines whether this constant represents a version that is newer than the given version or |
| * if it's the same version. |
| * |
| * @param version The constant to verify if it's representing a version that is older than this |
| * one or if it's the same than this one |
| * @return <code>true</code> if this constant represents a newer version and the given constant |
| * represents a version that is older or if it's the same constant; <code>false</code> if the |
| * given constant represents a newer and this constant represents an older version |
| */ |
| public boolean isNewerThanOrEqual(EclipseLinkVersion version) { |
| return this.version >= version.version; |
| } |
| |
| /** |
| * Determines whether this constant represents a version that is older than the given version. |
| * |
| * @param version The constant to verify if it's representing a version that is more recent than |
| * this one |
| * @return <code>true</code> if this constant represents an earlier version and the given |
| * constant represents a version that is more recent; <code>false</code> if the given constant |
| * represents an earlier version and this constant represents a more recent version |
| */ |
| public boolean isOlderThan(EclipseLinkVersion version) { |
| return this.version < version.version; |
| } |
| |
| /** |
| * Determines whether this constant represents a version that is older than the given version or |
| * if it's the same version. |
| * |
| * @param version The constant to verify if it's representing a version that is more recent than |
| * this one or if it's the same than this one |
| * @return <code>true</code> if this constant represents an earlier version and the given |
| * constant represents a version that is more recent or if it's the same constant; <code>false</code> |
| * if the given constant represents an earlier version and this constant represents a more recent |
| * version |
| */ |
| public boolean isOlderThanOrEqual(EclipseLinkVersion version) { |
| return this.version <= version.version; |
| } |
| |
| /** |
| * Converts the current constant to one of the known versions, this means if the constant is |
| * {@link #DEFAULT_VERSION}, then it will be converted into the actual constant representing that |
| * version. |
| * |
| * @return Either this same constant or the actual version constant |
| */ |
| public EclipseLinkVersion toCurrentVersion() { |
| |
| if (this == DEFAULT_VERSION) { |
| |
| String currentVersion = getVersion(); |
| |
| for (EclipseLinkVersion version : versions()) { |
| if (currentVersion.equals(String.valueOf(version.version))) { |
| return version; |
| } |
| } |
| } |
| |
| return this; |
| } |
| |
| @Override |
| public String toString() { |
| return String.valueOf(version); |
| } |
| } |