Merge pull request #4 from reynoldsm88/master

First pass at porting the learner code to 7.x

.gitignore

@@ -0,0 +1,19 @@
+/target
+/local
+
+# Eclipse, Netbeans and IntelliJ files
+/.*
+!.gitignore
+/nbproject
+/*.ipr
+/*.iws
+/*.iml
+
+# Repository wide ignore mac DS_Store files
+.DS_Store
+
+# generated files
+dependency-reduced-pom.xml
+
+# these modules don't exist anymore on master
+/drools-clips/

machinelearning/7.0.x/drools-learner/.classpath

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/classes" path="target/generated-sources/annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

machinelearning/7.0.x/drools-learner/.gitignore

@@ -0,0 +1 @@
+/target/

machinelearning/7.0.x/drools-learner/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>drools-learner</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>

machinelearning/7.0.x/drools-learner/.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+encoding//src/main/java=UTF-8
+encoding//target/generated-sources/annotations=UTF-8
+encoding/<project>=UTF-8

machinelearning/7.0.x/drools-learner/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,5 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.8

machinelearning/7.0.x/drools-learner/.settings/org.eclipse.m2e.core.prefs

@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

machinelearning/7.0.x/drools-learner/pom.xml

@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.drools</groupId>
+    <artifactId>drools</artifactId>
+    <version>7.0.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>drools-learner</artifactId>
+
+  <name>Drools :: Learner</name>
+
+  <properties>
+    <surefire.forkCount>2</surefire.forkCount>
+  </properties>
+
+  <dependencies>
+    <!-- Internal dependencies -->
+    <dependency>
+      <groupId>org.drools</groupId>
+      <artifactId>drools-core</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.kie</groupId>
+      <artifactId>kie-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.kie</groupId>
+      <artifactId>kie-internal</artifactId>
+    </dependency>
+
+    <!-- Logging -->
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+    </dependency>
+    <dependency><!-- For unit test logging: configure in src/test/resources/logback-test.xml -->
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+    <!-- test: byteman -->
+    <dependency>
+      <groupId>org.jboss.byteman</groupId>
+      <artifactId>byteman</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.jboss.byteman</groupId>
+      <artifactId>byteman-submit</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.jboss.byteman</groupId>
+      <artifactId>byteman-install</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.jboss.byteman</groupId>
+      <artifactId>byteman-bmunit</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+    <!-- Required for TestListener in maven-surefire-plugin. -->
+    <dependency>
+      <groupId>org.kie</groupId>
+      <artifactId>kie-test-util</artifactId>
+      <scope>test</scope>
+    </dependency>
+
+  </dependencies>
+
+  <build>
+    <pluginManagement>
+    </pluginManagement>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <properties>
+            <property>
+              <name>listener</name>
+              <value>org.kie.test.util.TestStatusListener</value>
+            </property>
+          </properties>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

machinelearning/7.0.x/drools-learner/src/main/java/org/drools/learner/Attribute.java

@@ -0,0 +1,40 @@
+package org.drools.learner;
+
+public class Attribute {
+
+    private String name;
+    private Object value;
+
+    //final ClassFieldExtractor extractor = cache.getExtractor( class_obj, f_name, getClass().getClassLoader() );
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName( String name ) {
+        this.name = name;
+    }
+
+    public Object getValue() {
+        return value;
+    }
+
+    public void setValue( Object value ) {
+        this.value = value;
+    }
+
+    /* we assume that "another" points to the same attribute type as this */
+    public int compareValue( Attribute another ) {
+        /* Boolean, Double, Integer, String... */
+        return AttributeValueComparator.instance.compare( getValue(), another.getValue() );
+    }
+
+    public int hashCode() {
+        return this.value.hashCode();
+    }
+
+    public String toString() {
+        return value.toString();
+    }
+
+}

machinelearning/7.0.x/drools-learner/src/main/java/org/drools/learner/AttributeValueComparator.java

@@ -0,0 +1,17 @@
+package org.drools.learner;
+
+import java.util.Comparator;
+
+public class AttributeValueComparator implements Comparator<Object> {
+
+    /* we assume that "another" points to the same attribute type as this */
+    public int compare( Object value1, Object value2 ) {
+        if ( value1 instanceof Comparable ) {
+            return ( (Comparable) value1 ).compareTo( value2 ); // Boolean, Double, Integer, String...
+        }
+        return value1.hashCode() - value2.hashCode();
+    }
+
+    // singleton wannabe
+    public static AttributeValueComparator instance = new AttributeValueComparator();
+}