src/jdk.jfr/share/classes/jdk/jfr/consumer/EventFilter.java
author egahlin
Fri, 24 May 2019 19:39:31 +0200
branchJEP-349-branch
changeset 57372 50ca040843ea
parent 57361 53dccc90a5be
child 57373 400db63e4937
permissions -rw-r--r--
Prepare infrastructure for multiple implementations of EventStream
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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.consumer;
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import java.time.Duration;
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import java.util.Arrays;
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import java.util.List;
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final class EventFilter {
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    private final String[] eventNames;
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    private final Duration threshold;
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    private final String[] fields;
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    private EventFilter(String[] eventNames, Duration threshold, String[] fields) {
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        this.eventNames = eventNames;
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        this.threshold = threshold;
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        this.fields = fields;
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    }
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    public static EventFilter eventTypes(String... eventNames) {
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        return new EventFilter(eventNames.clone(), null, new String[0]);
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    }
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    public EventFilter aboveThreshold(Duration threshold) {
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        return new EventFilter(eventNames, threshold, fields);
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    }
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    public EventFilter mustHaveFields(String... fieldNames) {
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        return new EventFilter(eventNames, threshold, fieldNames);
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    }
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    public EventFilter onlyThreads(Thread... t) {
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        return this;
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    }
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    public EventFilter onlyThreadIds(long... threadId) {
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        return this;
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    }
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    public EventFilter onlyThreadNames(String... threadName) {
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        return this;
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    }
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    public EventFilter threadFilters(String... filter) {
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        return this;
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    }
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    List<String> getFields() {
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        return Arrays.asList(fields);
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    }
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    List<String> getEventNames() {
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        return Arrays.asList(fields);
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    }
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    Duration getThreshold() {
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        return threshold;
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    }
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}