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src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/events/EmptyEventProvider.java

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   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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package jdk.vm.ci.hotspot.events;
  24 
  25 import jdk.vm.ci.common.*;
  26 
  27 /**
  28  * An empty implementation for {@link EventProvider}. This implementation is used when no logging is
  29  * requested.
  30  */
  31 public final class EmptyEventProvider implements EventProvider {
  32 
  33     public CompilationEvent newCompilationEvent() {
  34         return new EmptyCompilationEvent();
  35     }
  36 
  37     public static class EmptyCompilationEvent implements CompilationEvent {
  38         public void commit() {
  39             throw JVMCIError.shouldNotReachHere();
  40         }
  41 
  42         public boolean shouldWrite() {
  43             // Events of this class should never been written.
  44             return false;
  45         }




   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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package jdk.vm.ci.hotspot.events;
  24 
  25 import jdk.vm.ci.common.JVMCIError;
  26 
  27 /**
  28  * An empty implementation for {@link EventProvider}. This implementation is used when no logging is
  29  * requested.
  30  */
  31 public final class EmptyEventProvider implements EventProvider {
  32 
  33     public CompilationEvent newCompilationEvent() {
  34         return new EmptyCompilationEvent();
  35     }
  36 
  37     public static class EmptyCompilationEvent implements CompilationEvent {
  38         public void commit() {
  39             throw JVMCIError.shouldNotReachHere();
  40         }
  41 
  42         public boolean shouldWrite() {
  43             // Events of this class should never been written.
  44             return false;
  45         }


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