| /* |
| * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package org.graalvm.compiler.debug; |
| |
| /** |
| * A counter for some value of interest. |
| */ |
| public interface DebugCounter { |
| |
| /** |
| * Adds 1 to this counter if counting is {@link Debug#isCountEnabled() enabled} or this is an |
| * {@linkplain #isConditional() unconditional} counter. |
| */ |
| void increment(); |
| |
| /** |
| * Adds {@code value} to this counter if counting is {@link Debug#isCountEnabled() enabled} or |
| * this is an {@linkplain #isConditional() unconditional} counter. |
| */ |
| void add(long value); |
| |
| /** |
| * Sets a flag determining if this counter is only enabled if counting is |
| * {@link Debug#isCountEnabled() enabled}. |
| */ |
| void setConditional(boolean flag); |
| |
| /** |
| * Determines if this counter is only enabled if counting is {@link Debug#isCountEnabled() |
| * enabled}. |
| */ |
| boolean isConditional(); |
| |
| /** |
| * Gets the current value of this counter. |
| */ |
| long getCurrentValue(); |
| |
| /** |
| * Determines if this counter is enabled (either conditionally or unconditionally). |
| */ |
| default boolean isEnabled() { |
| return !isConditional() || Debug.isCountEnabled(); |
| } |
| } |