1 /*

     2  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package jdk.jfr.consumer;

    27 

    28 import java.time.Duration;

    29 import java.util.Arrays;

    30 import java.util.List;

    31 

    32 final class EventFilter {

    33     private final String[] eventNames;

    34     private final Duration threshold;

    35     private final String[] fields;

    36 

    37     private EventFilter(String[] eventNames, Duration threshold, String[] fields) {

    38         this.eventNames = eventNames;

    39         this.threshold = threshold;

    40         this.fields = fields;

    41     }

    42 

    43     public static EventFilter eventTypes(String... eventNames) {

    44         return new EventFilter(eventNames.clone(), null, new String[0]);

    45     }

    46 

    47     public EventFilter aboveThreshold(Duration threshold) {

    48         return new EventFilter(eventNames, threshold, fields);

    49     }

    50 

    51     public EventFilter mustHaveFields(String... fieldNames) {

    52         return new EventFilter(eventNames, threshold, fieldNames);

    53     }

    54 

    55     public EventFilter onlyThreads(Thread... t) {

    56         return this;

    57     }

    58 

    59     public EventFilter onlyThreadIds(long... threadId) {

    60         return this;

    61     }

    62 

    63     public EventFilter onlyThreadNames(String... threadName) {

    64         return this;

    65     }

    66 

    67     public EventFilter threadFilters(String... filter) {

    68         return this;

    69     }

    70 

    71     List<String> getFields() {

    72         return Arrays.asList(fields);

    73     }

    74 

    75     List<String> getEventNames() {

    76         return Arrays.asList(fields);

    77     }

    78 

    79     Duration getThreshold() {

    80         return threshold;

    81     }

    82 }