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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| DefaultDroolsNativeRulesProcessor.java | 33.3% | 53.3% | 33.3% | 47.6% |
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/*
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* DefaultDroolsNativeRulesProcessor.java
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* Copyright 2002-2004 Bill2, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.dentaku.services.rules;
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import org.codehaus.plexus.logging.LogEnabled;
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import org.codehaus.plexus.logging.Logger;
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import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
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import org.codehaus.plexus.util.DirectoryScanner;
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import org.drools.RuleBase;
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import org.drools.WorkingMemory;
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import org.drools.io.RuleBaseBuilder;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.List;
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public class DefaultDroolsNativeRulesProcessor |
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implements DroolsNativeRulesProcessor, Initializable, LogEnabled {
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private static Logger log; |
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/* The store that keeps a reference to all ruleBases */
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private HashMap ruleBaseStore;
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String ruleFilesDirectory; |
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String ruleFilesIncludes; |
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public void enableLogging(Logger logger) { |
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log = logger; |
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} |
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// ----------------------------------------------------------------------
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// Lifecylce Management
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// ----------------------------------------------------------------------
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public void initialize() throws Exception { |
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String identifier = null;
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DirectoryScanner scanner = new DirectoryScanner();
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scanner.setBasedir( ruleFilesDirectory ); |
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scanner.setIncludes( new String[]{ ruleFilesIncludes } );
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scanner.scan(); |
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String[] fileNames = scanner.getIncludedFiles(); |
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for (int i = 0; i < fileNames.length; i++) { |
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String fileName = fileNames[i]; |
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// read rules and register with administrator
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// save way, expect filename including .drl extension,
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// but in case not, then add it
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if (fileName.indexOf(".drl") > 0) { |
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identifier = fileName.substring(0, fileName.length() - 4); |
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} else {
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identifier = fileName; |
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fileName = fileName + ".drl";
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} |
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identifier = identifier.substring(identifier.lastIndexOf("/")+1);
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log.debug("Found rulebase filename " + fileName + ", identified as " + identifier); |
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InputStream resourceAsStream = this.getClass().getResourceAsStream(fileName);
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try {
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RuleBase ruleBase = RuleBaseBuilder.buildFromInputStream(resourceAsStream); |
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setRuleBase(identifier, ruleBase); |
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} catch (Exception e) {
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log.error("RuleBase " + identifier + " could not be loaded", e); |
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setRuleBase(identifier, null);
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} |
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} |
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} |
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/*
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* Makes a working memory available from this rulebase
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*/
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public WorkingMemory getWorkingMemory(String ruleBaseIdentifier)
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throws Exception {
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log.debug("Create working memory for rulebase " + ruleBaseIdentifier);
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RuleBase ruleBase = getRuleBase(ruleBaseIdentifier); |
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WorkingMemory workingMemory = ruleBase.newWorkingMemory(); |
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return workingMemory;
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} |
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public RuleBase getRuleBase(String identifier) {
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return (RuleBase) getRuleBaseStore().get(identifier);
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} |
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public void setRuleBase(String identifier, RuleBase ruleBase) { |
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getRuleBaseStore().put(identifier, ruleBase); |
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} |
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public HashMap getRuleBaseStore() {
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if (this.ruleBaseStore == null) { |
| 103 | 0 |
this.ruleBaseStore = new HashMap(); |
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} |
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return this.ruleBaseStore; |
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} |
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} |
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