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annotate graal/com.oracle.graal.java/src/com/oracle/graal/java/DefaultGraphBuilderPlugins.java @ 19243:006e321d592b

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removed use of ServiceLoader for graph builder plugins
author Doug Simon <doug.simon@oracle.com>
date Tue, 10 Feb 2015 21:11:43 +0100
parents 81be933b83eb
children
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19104
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1 /*
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.java;
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24
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25 import java.util.*;
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26 import java.util.stream.*;
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27
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28 import com.oracle.graal.api.meta.*;
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29
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30 /**
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31 * Default implementation of {@link GraphBuilderPlugins} that uses a map.
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32 */
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33 public class DefaultGraphBuilderPlugins implements GraphBuilderPlugins {
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34
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35 private final Map<ResolvedJavaMethod, InvocationPlugin> plugins = new HashMap<>();
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36
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37 /**
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38 * Registers an invocation plugin for a given method. There must be no plugin currently
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39 * registered for {@code method}.
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40 */
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41 public void register(ResolvedJavaMethod method, InvocationPlugin plugin) {
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42 assert InvocationPluginChecker.check(method, plugin);
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43 GraphBuilderPlugin oldValue = plugins.put(method, plugin);
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44 // System.out.println("registered: " + plugin);
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45 assert oldValue == null;
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46 }
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47
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48 /**
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49 * Gets the plugin for a given method.
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50 *
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51 * @param method the method to lookup
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52 * @return the plugin associated with {@code method} or {@code null} if none exists
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53 */
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54 public InvocationPlugin lookupInvocation(ResolvedJavaMethod method) {
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55 return plugins.get(method);
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56 }
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57
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58 public DefaultGraphBuilderPlugins copy() {
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59 DefaultGraphBuilderPlugins result = new DefaultGraphBuilderPlugins();
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60 result.plugins.putAll(plugins);
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61 return result;
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62 }
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63
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64 @Override
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65 public String toString() {
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66 return plugins.keySet().stream().map(m -> m.format("%H.%n(%p)")).collect(Collectors.joining(", "));
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67 }
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68 }