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Added simple groovy rule discovery (still needs boilerplate DSL to en…
…able rule list creation)
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99 changes: 63 additions & 36 deletions
99
engine/groovy/src/main/groovy/org/jboss/windup/addon/groovy/ExampleRuleFile.wrl
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,40 +1,67 @@ | ||
| /* | ||
| * Copyright 2014 Red Hat, Inc. and/or its affiliates. | ||
| * | ||
| * Licensed under the Eclipse Public License version 1.0, available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| */ | ||
| package org.jboss.windup.addon.groovy | ||
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| import org.jboss.windup.addon.config.RulePhase | ||
| import org.jboss.windup.addon.config.WindupConfigurationProvider | ||
| import org.jboss.windup.addon.config.graphsearch.GraphSearchConditionBuilder | ||
| import org.jboss.windup.addon.config.operation.Log | ||
| import org.jboss.windup.graph.GraphContext | ||
| import org.jboss.windup.graph.model.meta.javaclass.JavaClassMetaModel | ||
| import org.ocpsoft.logging.Logger.Level | ||
| import org.ocpsoft.rewrite.config.Configuration | ||
| import org.ocpsoft.rewrite.config.ConfigurationBuilder | ||
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||
| /** | ||
| * @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a> | ||
| * | ||
| */ | ||
| class ExampleRuleFile extends WindupConfigurationProvider { | ||
| @Override | ||
| public RulePhase getPhase() { | ||
| return RulePhase.MIGRATION_RULES; | ||
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| // ---- A bit of script initialization ---------------------------- | ||
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| // use the script binding for silent sentence words like "to", "the" | ||
| binding = new CustomBinding() | ||
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| rule "XYZ371" when { | ||
| } perform { | ||
| } | ||
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| def r = rule "ruleid1234" when { | ||
| println "evaluating"; return true | ||
| } perform { println "performing" }; | ||
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| r.ex(); | ||
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| class RuleBuilder { | ||
| String id; | ||
| Closure c; | ||
| Closure p; | ||
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| RuleBuilder(String id) { | ||
| this.id = id; | ||
| } | ||
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| def when (Closure c) { | ||
| this.c = c; | ||
| return this; | ||
| } | ||
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| def perform (Closure p) { | ||
| this.p = p; | ||
| return this; | ||
| } | ||
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| def ex() | ||
| { | ||
| if( c() ) | ||
| p(); | ||
| } | ||
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| def rule (Closure c) { | ||
| c() | ||
| return this | ||
| } | ||
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| String toString() { | ||
| "ID: $id, Closure: $c" | ||
| } | ||
| } | ||
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| class CustomBinding extends Binding { | ||
| def getVariable(String word) { | ||
| // return System.out when the script requests to write to 'out' | ||
| if (word == "out") System.out | ||
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| @Override | ||
| public Configuration getConfiguration(GraphContext context) { | ||
| return ConfigurationBuilder.begin() | ||
| .addRule() | ||
| .when( | ||
| GraphSearchConditionBuilder.create("javaClasses").ofType(JavaClassMetaModel.class) | ||
| ) | ||
| .perform( | ||
| Log.message(Level.INFO, "Sample groovy rule") | ||
| ) | ||
| // don't thrown an exception and return null | ||
| // when a silent sentence word is used, | ||
| // like "to" and "the" in our DSL | ||
| null | ||
| } | ||
| } | ||
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| def rule(ruleID) { return new RuleBuilder(ruleID) } |
79 changes: 65 additions & 14 deletions
79
engine/groovy/src/main/java/org/jboss/windup/addon/groovy/ExampleRuleFile.groovy
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,16 +1,67 @@ | ||
| /* | ||
| * Copyright 2014 Red Hat, Inc. and/or its affiliates. | ||
| * | ||
| * Licensed under the Eclipse Public License version 1.0, available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| */ | ||
| package org.jboss.windup.addon.groovy | ||
|
|
||
| /** | ||
| * @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a> | ||
| * | ||
| */ | ||
| class ExampleRuleFile | ||
| { | ||
|
|
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| // ---- A bit of script initialization ---------------------------- | ||
|
|
||
| // use the script binding for silent sentence words like "to", "the" | ||
| binding = new CustomBinding() | ||
|
|
||
|
|
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| rule "XYZ371" when { | ||
| } perform { | ||
| } | ||
|
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|
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| def r = rule "ruleid1234" when { | ||
| println "evaluating"; return true | ||
| } perform { println "performing" }; | ||
|
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| r.ex(); | ||
|
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| class RuleBuilder { | ||
| String id; | ||
| Closure c; | ||
| Closure p; | ||
|
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| RuleBuilder(String id) { | ||
| this.id = id; | ||
| } | ||
|
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| def when (Closure c) { | ||
| this.c = c; | ||
| return this; | ||
| } | ||
|
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| def perform (Closure p) { | ||
| this.p = p; | ||
| return this; | ||
| } | ||
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| def ex() | ||
| { | ||
| if( c() ) | ||
| p(); | ||
| } | ||
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| def rule (Closure c) { | ||
| c() | ||
| return this | ||
| } | ||
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| String toString() { | ||
| "ID: $id, Closure: $c" | ||
| } | ||
| } | ||
|
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| class CustomBinding extends Binding { | ||
| def getVariable(String word) { | ||
| // return System.out when the script requests to write to 'out' | ||
| if (word == "out") System.out | ||
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| // don't thrown an exception and return null | ||
| // when a silent sentence word is used, | ||
| // like "to" and "the" in our DSL | ||
| null | ||
| } | ||
| } | ||
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| def rule(ruleID) { return new RuleBuilder(ruleID) } |
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