1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * The contents of this file are subject to the terms of either the Universal Permissive License 7 * v 1.0 as shown at http://oss.oracle.com/licenses/upl 8 * 9 * or the following license: 10 * 11 * Redistribution and use in source and binary forms, with or without modification, are permitted 12 * provided that the following conditions are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions 15 * and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of 18 * conditions and the following disclaimer in the documentation and/or other materials provided with 19 * the distribution. 20 * 21 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to 22 * endorse or promote products derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 26 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 31 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 package org.openjdk.jmc.common.version; 34 35 /** 36 * Java versions that have support for various features. 37 * <p> 38 * Some of the constants are not used anymore, but keeping them at least for a while as pure 39 * information. 40 */ 41 public class JavaVersionSupport { 42 43 public static final JavaVersion JDK_6 = new JavaVersion(6, 0); 44 public static final JavaVersion EARLIEST_JDK_SUPPORTED = JDK_6; 45 public static final JavaVersion JDK_7 = new JavaVersion(7, 0); 46 public static final JavaVersion JDK_7_U_4 = new JavaVersion(7, 0, 4); 47 public static final JavaVersion JFR_ENGINE_SUPPORTED = JDK_7_U_4; 48 // 1.7.0_12 was later renamed 14, and then released as 40 49 public static final JavaVersion JDK_7_U_40 = new JavaVersion(7, 0, 12); 50 public static final JavaVersion DIAGNOSTIC_COMMANDS_SUPPORTED = JDK_7_U_40; 51 public static final JavaVersion JFR_FULLY_SUPPORTED = JDK_7_U_40; 52 public static final JavaVersion JDK_8 = new JavaVersion(8, 0); 53 public static final JavaVersion JDK_8_U_20 = new JavaVersion(8, 0, 20); 54 public static final JavaVersion DUMP_ON_EXIT_WITHOUT_DEFAULTRECORDING_SUPPORTED = JDK_8_U_20; 55 public static final JavaVersion STRING_DEDUPLICATION_SUPPORTED = JDK_8_U_20; 56 public static final JavaVersion JDK_8_U_40 = new JavaVersion(8, 0, 40); 57 public static final JavaVersion DYNAMIC_JFR_SUPPORTED = JDK_8_U_40; 58 public static final JavaVersion JDK_9 = new JavaVersion(9); 59 // FIXME: Update this if JDK-8036749 is ever backported to 8uX. 60 public static final JavaVersion DEBUG_NON_SAFEPOINTS_IMPLICITLY_ENABLED = JDK_9; 61 // FIXME: Update this if JDK-8054307 is ever backported to 8uX. 62 public static final JavaVersion STRING_IS_BYTE_ARRAY = JDK_9; 63 64 }