1 /*
   2  * Copyright (c) 2015, 2018, 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.
   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 
  24 
  25 package org.graalvm.compiler.debug;
  26 
  27 import java.util.Iterator;
  28 import java.util.List;
  29 
  30 import org.graalvm.compiler.options.OptionValues;
  31 import org.graalvm.compiler.serviceprovider.GraalServices;
  32 
  33 /**
  34  * Factory for creating {@link DebugHandler}s.
  35  */
  36 public interface DebugHandlersFactory {
  37 
  38     /**
  39      * Creates {@link DebugHandler}s based on {@code options}.
  40      *
  41      * @param options options to control type and name of the channel
  42      * @return list of debug handers that have been created
  43      */
  44     List<DebugHandler> createHandlers(OptionValues options);
  45 
  46     /**
  47      * Loads {@link DebugHandlersFactory}s on demand via {@link GraalServices#load(Class)}.
  48      */
  49     Iterable<DebugHandlersFactory> LOADER = new Iterable<DebugHandlersFactory>() {
  50         @Override
  51         public Iterator<DebugHandlersFactory> iterator() {
  52             return GraalServices.load(DebugHandlersFactory.class).iterator();
  53         }
  54     };
  55 }