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.internal.settings;
  27 
  28 import java.util.Objects;
  29 import java.util.Set;
  30 
  31 import jdk.jfr.BooleanFlag;
  32 import jdk.jfr.Description;
  33 import jdk.jfr.Label;
  34 import jdk.jfr.MetadataDefinition;
  35 import jdk.jfr.Name;

  36 import jdk.jfr.internal.Control;
  37 import jdk.jfr.internal.PlatformEventType;
  38 import jdk.jfr.internal.Type;
  39 import jdk.jfr.internal.Utils;
  40 
  41 @MetadataDefinition
  42 @Label("Cutoff")
  43 @Description("Limit running time of event")
  44 @Name(Type.SETTINGS_PREFIX + "Cutoff")
  45 @BooleanFlag
  46 public final class CutoffSetting extends Control {
  47     private final static long typeId = Type.getTypeId(CutoffSetting.class);
  48 
  49     private String value = "0 ns";
  50     private final PlatformEventType eventType;
  51 
  52     public CutoffSetting(PlatformEventType eventType, String defaultValue) {
  53        super(defaultValue);
  54        this.eventType = Objects.requireNonNull(eventType);
  55     }
  56 
  57     @Override
  58     public String combine(Set<String> values) {
  59         long max = 0;
  60         String text = "0 ns";
  61         for (String value : values) {
  62             long l = parseValue(value);
  63             if (l > max) {
  64                 text = value;
  65                 max = l;
  66             }
  67         }
  68         return text;
  69     }
  70 
  71     @Override
  72     public void setValue(String value) {
  73         long l = parseValue(value);
  74         this.value = value;
  75         eventType.setCutoff(l);
  76     }
  77 
  78     private long parseValue(String value) {
  79         return isInfinity(value) ? Long.MAX_VALUE : Utils.parseTimespan(value);
  80     }
  81 
  82     @Override
  83     public String getValue() {
  84         return value;
  85     }
  86 
  87     public static boolean isType(long typeId) {
  88         return CutoffSetting.typeId == typeId;
  89     }
  90 
  91     private static boolean isInfinity(String s) {
  92         return s.equals("infinity");
  93     }
  94 
  95     public static long parseValueSafe(String value) {
  96         if (value == null) {
  97             return 0L;
  98         }
  99         try {
 100             return isInfinity(value) ? Long.MAX_VALUE : Utils.parseTimespan(value);
 101         } catch (NumberFormatException nfe) {
 102             return 0L;
 103         }
 104     }
 105 }

  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.internal.settings;
  27 
  28 import java.util.Objects;
  29 import java.util.Set;
  30 

  31 import jdk.jfr.Description;
  32 import jdk.jfr.Label;
  33 import jdk.jfr.MetadataDefinition;
  34 import jdk.jfr.Name;
  35 import jdk.jfr.Timespan;
  36 import jdk.jfr.internal.Control;
  37 import jdk.jfr.internal.PlatformEventType;
  38 import jdk.jfr.internal.Type;
  39 import jdk.jfr.internal.Utils;
  40 
  41 @MetadataDefinition
  42 @Label("Cutoff")
  43 @Description("Limit running time of event")
  44 @Name(Type.SETTINGS_PREFIX + "Cutoff")
  45 @Timespan
  46 public final class CutoffSetting extends Control {
  47     private final static long typeId = Type.getTypeId(CutoffSetting.class);
  48 
  49     private String value = "0 ns";
  50     private final PlatformEventType eventType;
  51 
  52     public CutoffSetting(PlatformEventType eventType, String defaultValue) {
  53        super(defaultValue);
  54        this.eventType = Objects.requireNonNull(eventType);
  55     }
  56 
  57     @Override
  58     public String combine(Set<String> values) {
  59         long max = 0;
  60         String text = "0 ns";
  61         for (String value : values) {
  62             long l =  Utils.parseTimespanWithInfinity(value);
  63             if (l > max) {
  64                 text = value;
  65                 max = l;
  66             }
  67         }
  68         return text;
  69     }
  70 
  71     @Override
  72     public void setValue(String value) {
  73         long l =  Utils.parseTimespanWithInfinity(value);
  74         this.value = value;
  75         eventType.setCutoff(l);
  76     }
  77 




  78     @Override
  79     public String getValue() {
  80         return value;
  81     }
  82 
  83     public static boolean isType(long typeId) {
  84         return CutoffSetting.typeId == typeId;
  85     }
  86 




  87     public static long parseValueSafe(String value) {
  88         if (value == null) {
  89             return 0L;
  90         }
  91         try {
  92             return Utils.parseTimespanWithInfinity(value);
  93         } catch (NumberFormatException nfe) {
  94             return 0L;
  95         }
  96     }
  97 }