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/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.jfr.internal.consumer;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.StringJoiner;
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final class ParserFilter {
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public static final ParserFilter ACCEPT_ALL = new ParserFilter(true, Map.of());
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private final Map<String, Long> thresholds;
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private final boolean acceptAll;
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public ParserFilter() {
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this(false, new HashMap<>());
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}
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private ParserFilter(boolean acceptAll, Map<String, Long> thresholds) {
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this.acceptAll = acceptAll;
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this.thresholds = thresholds;
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}
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public void setThreshold(String eventName, long nanos) {
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Long l = thresholds.get(eventName);
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if (l != null) {
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l = Math.min(l, nanos);
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} else {
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l = nanos;
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}
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thresholds.put(eventName, l);
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}
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public long getThreshold(String eventName) {
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if (acceptAll) {
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return 0L;
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}
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Long l = thresholds.get(eventName);
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if (l != null) {
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return l;
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}
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return -1;
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}
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public String toString() {
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if (acceptAll) {
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return "ACCEPT ALL";
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}
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StringJoiner sb = new StringJoiner(", ");
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for (String key : thresholds.keySet().toArray(new String[0])) {
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Long value = thresholds.get(key);
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sb.add(key + " = " + value);
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}
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return sb.toString();
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}
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}
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