Examples with ClassBuilder org.drools.core.factmodel.ClassBuilder used on opensource projects

Example 6 with ClassBuilder

use of org.drools.core.factmodel.ClassBuilder in project drools by kiegroup.

the class InstancesHashcodedTest method testInstanceHashcodes.

@Test
public void testInstanceHashcodes() {
    ClassDefinition cd = new ClassDefinition("br.com.auster.TestClass2", null, new String[] {});
    cd.addField(new FieldDefinition("cutDate", "java.util.Date", true));
    cd.addField(new FieldDefinition("dueDate", "java.util.Date", true));
    cd.addField(new FieldDefinition("issueDate", "java.util.Date", false));
    cd.addField(new FieldDefinition("cycleCode", "java.lang.String", false));
    ClassBuilder cb = new TraitClassBuilderFactory().getBeanClassBuilder();
    Calendar cal = Calendar.getInstance();
    cal.set(Calendar.YEAR, 2006);
    cal.set(Calendar.MONTH, Calendar.JUNE);
    cal.set(Calendar.DAY_OF_MONTH, 01);
    Date cut = cal.getTime();
    cal.set(Calendar.MONTH, Calendar.JULY);
    cal.set(Calendar.DAY_OF_MONTH, 13);
    Date d1 = cal.getTime();
    cal.set(Calendar.DAY_OF_MONTH, 15);
    Date d2 = cal.getTime();
    try {
        Class klass = build(cb, cd);
        Object o1 = klass.newInstance();
        cd.getField("cutDate").getFieldAccessor().setValue(o1, cut);
        cd.getField("dueDate").getFieldAccessor().setValue(o1, d1);
        Object o2 = klass.newInstance();
        cd.getField("cutDate").getFieldAccessor().setValue(o2, cut);
        cd.getField("dueDate").getFieldAccessor().setValue(o2, d2);
    // System.out.println(o1);
    // System.out.println(o1.hashCode());
    // System.out.println(o2);
    // System.out.println(o2.hashCode());
    // 
    // System.out.println(o1.equals(o2));
    } catch (Exception e) {
    // e.printStackTrace();
    }
}

Example 7 with ClassBuilder

use of org.drools.core.factmodel.ClassBuilder in project drools by kiegroup.

the class ClassBuilderTest method testConstructorWithFields.

@Test
public void testConstructorWithFields() {
    try {
        ClassBuilder builder = new TraitClassBuilderFactory().getBeanClassBuilder();
        ClassDefinition classDef = new ClassDefinition("org.drools.TestClass5", null, new String[] {});
        String[] types = new String[] { "byte", "short", "int", "long", "float", "double", "char", "java.lang.String", "boolean" };
        FieldDefinition[] fields = new FieldDefinition[types.length];
        for (int i = 0; i < types.length; i++) {
            String attrName = types[i].substring(types[i].lastIndexOf('.') + 1);
            attrName = attrName.substring(0, 1).toLowerCase() + attrName.substring(1) + "Attr";
            fields[i] = new // attr name
            FieldDefinition(// attr name
            attrName, // attr type
            types[i], // half of them are key
            i % 2 == 0);
            classDef.addField(fields[i]);
        }
        Class clazz = build(builder, classDef);
        for (FieldDefinition field : fields) {
            field.setReadWriteAccessor(store.getAccessor(clazz, field.getName()));
        }
        Constructor<?>[] cons = clazz.getConstructors();
        assertEquals(3, cons.length);
        for (Constructor<?> c : cons) {
            Class<?>[] ptypes = c.getParameterTypes();
            if (ptypes.length == 0) {
            // default constructor
            } else if (ptypes.length == fields.length) {
                // constructor with fields
                for (int i = 0; i < ptypes.length; i++) {
                    if (!ptypes[i].equals(fields[i].getType())) {
                        fail("Wrong parameter in constructor. index=" + i + " expected=" + fields[i].getType() + " found=" + ptypes[i]);
                    }
                }
                // test actual invocation
                Object instance = c.newInstance((byte) 1, (short) 2, 3, 4l, 5.0f, 6.0d, 'a', "xyz", true);
                assertEquals((byte) 1, fields[0].getValue(instance));
                assertEquals((short) 2, fields[1].getValue(instance));
                assertEquals(3, fields[2].getValue(instance));
                assertEquals(4l, fields[3].getValue(instance));
                assertEquals(5.0f, fields[4].getValue(instance));
                assertEquals(6.0d, fields[5].getValue(instance));
                assertEquals('a', fields[6].getValue(instance));
                assertEquals("xyz", fields[7].getValue(instance));
                assertEquals(true, fields[8].getValue(instance));
            } else if (ptypes.length == (fields.length / 2 + 1)) {
                // as defined in the beginning of the test
                // constructor with key fields
                int i = 0;
                for (FieldDefinition field : fields) {
                    if (field.isKey() && !ptypes[i++].equals(field.getType())) {
                        fail("Wrong parameter in constructor. index=" + i + " expected=" + field.getType() + " found=" + ptypes[i]);
                    }
                }
                // test actual invocation
                Object instance = c.newInstance((byte) 1, 3, 5.0f, 'a', true);
                assertEquals((byte) 1, fields[0].getValue(instance));
                assertEquals(3, fields[2].getValue(instance));
                assertEquals(5.0f, fields[4].getValue(instance));
                assertEquals('a', fields[6].getValue(instance));
                assertEquals(true, fields[8].getValue(instance));
            } else {
                fail("Unexpected constructor: " + c.toString());
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail("Unexpected Exception: " + e.getMessage());
    }
}

Example 8 with ClassBuilder

use of org.drools.core.factmodel.ClassBuilder in project drools by kiegroup.

the class ClassBuilderTest method testHashCode.

@Test
public void testHashCode() {
    try {
        ClassBuilder builder = new TraitClassBuilderFactory().getBeanClassBuilder();
        ClassDefinition classDef = new ClassDefinition("org.drools.TestClass3", null, new String[] {});
        FieldDefinition intDef = new FieldDefinition("intAttr", "int", true);
        FieldDefinition strDef = new FieldDefinition("stringAttr", "java.lang.String", false);
        classDef.addField(intDef);
        classDef.addField(strDef);
        Class clazz = build(builder, classDef);
        intDef.setReadWriteAccessor(store.getAccessor(clazz, intDef.getName()));
        strDef.setReadWriteAccessor(store.getAccessor(clazz, strDef.getName()));
        Object x = clazz.newInstance();
        intDef.setValue(x, new Integer(10));
        strDef.setValue(x, "abc");
        assertEquals("Wrong hashcode calculation", 31 + 10, x.hashCode());
        assertEquals("Wrong hashcode calculation", x.hashCode(), x.hashCode());
    } catch (Exception e) {
        e.printStackTrace();
        fail("Exception not expected");
    }
}

Example 9 with ClassBuilder

use of org.drools.core.factmodel.ClassBuilder in project drools by kiegroup.

the class ClassBuilderTest method testEquals.

@Test
public void testEquals() {
    try {
        ClassBuilder builder = new TraitClassBuilderFactory().getBeanClassBuilder();
        ClassDefinition classDef = new ClassDefinition("org.drools.TestClass2", null, new String[] {});
        FieldDefinition long1Def = new FieldDefinition("longAttr1", "long", true);
        FieldDefinition long2Def = new FieldDefinition("longAttr2", "long", true);
        FieldDefinition doubleDef = new FieldDefinition("doubleAttr", "double", true);
        FieldDefinition intDef = new FieldDefinition("intAttr", "int", true);
        FieldDefinition strDef = new FieldDefinition("stringAttr", "java.lang.String", true);
        FieldDefinition dateDef = new FieldDefinition("dateAttr", "java.util.Date", true);
        FieldDefinition str2Def = new FieldDefinition("stringAttr2", "java.lang.String");
        classDef.addField(long1Def);
        classDef.addField(long2Def);
        classDef.addField(doubleDef);
        classDef.addField(intDef);
        classDef.addField(strDef);
        classDef.addField(dateDef);
        classDef.addField(str2Def);
        Class clazz = build(builder, classDef);
        long1Def.setReadWriteAccessor(store.getAccessor(clazz, long1Def.getName()));
        long2Def.setReadWriteAccessor(store.getAccessor(clazz, long2Def.getName()));
        doubleDef.setReadWriteAccessor(store.getAccessor(clazz, doubleDef.getName()));
        intDef.setReadWriteAccessor(store.getAccessor(clazz, intDef.getName()));
        strDef.setReadWriteAccessor(store.getAccessor(clazz, strDef.getName()));
        dateDef.setReadWriteAccessor(store.getAccessor(clazz, dateDef.getName()));
        str2Def.setReadWriteAccessor(store.getAccessor(clazz, str2Def.getName()));
        Object x = clazz.newInstance();
        Object y = clazz.newInstance();
        long1Def.setValue(x, new Long(20));
        long2Def.setValue(x, new Long(30));
        doubleDef.setValue(x, new Double(50.0));
        intDef.setValue(x, new Integer(10));
        strDef.setValue(x, "abc");
        dateDef.setValue(x, new Date(1000));
        str2Def.setValue(x, "instance1");
        long1Def.setValue(y, new Long(20));
        long2Def.setValue(y, new Long(30));
        doubleDef.setValue(y, new Double(50.0));
        intDef.setValue(y, new Integer(10));
        strDef.setValue(y, "abc");
        dateDef.setValue(y, new Date(1000));
        str2Def.setValue(y, "instance2");
        Object o = new Object();
        assertTrue(x.equals(x));
        assertFalse(x.equals(null));
        assertFalse(x.equals(o));
        assertTrue(x.equals(y));
        intDef.setValue(y, new Integer(1));
        assertFalse(x.equals(y));
        intDef.setValue(y, new Integer(10));
        strDef.setValue(y, "xyz");
        assertFalse(x.equals(y));
        strDef.setValue(y, null);
        assertFalse(x.equals(y));
        strDef.setValue(y, "abc");
        dateDef.setValue(y, new Date(1));
        assertFalse(x.equals(y));
        dateDef.setValue(y, null);
        assertFalse(x.equals(y));
    } catch (Exception e) {
        e.printStackTrace();
        fail("Exception not expected");
    }
}