Examples with ReloadableType org.springsource.loaded.ReloadableType used on opensource projects

Example 81 with ReloadableType

use of org.springsource.loaded.ReloadableType in project spring-loaded by spring-projects.

the class MethodInvokerRewriterTests method rewriteInvokeInterface2.

/**
	 * Variant of the above where there is a parameter.
	 */
@Test
public void rewriteInvokeInterface2() throws Exception {
    TypeRegistry typeRegistry = getTypeRegistry("tgt.SimpleIClassTwo,tgt.SimpleITwo");
    ReloadableType intface = typeRegistry.addType("tgt.SimpleITwo", loadBytesForClass("tgt.SimpleITwo"));
    //		ReloadableType impl =
    typeRegistry.addType("tgt.SimpleIClassTwo", loadBytesForClass("tgt.SimpleIClassTwo"));
    byte[] callerbytes = loadBytesForClass("tgt.StaticICallerTwo");
    byte[] rewrittenBytes = MethodInvokerRewriter.rewrite(typeRegistry, callerbytes);
    Class<?> callerClazz = loadit("tgt.StaticICallerTwo", rewrittenBytes);
    // run the original
    Result result = runUnguarded(callerClazz, "run");
    assertEquals(123, result.returnValue);
    intface.loadNewVersion("2", retrieveRename("tgt.SimpleITwo", "tgt.SimpleITwo002"));
    result = runUnguarded(callerClazz, "run");
    assertEquals(123, result.returnValue);
    callerbytes = loadBytesForClass("tgt.StaticICallerTwo002");
    callerbytes = ClassRenamer.rename("tgt.StaticICallerTwo002", callerbytes, "tgt.SimpleITwo002:tgt.SimpleITwo");
    rewrittenBytes = MethodInvokerRewriter.rewrite(typeRegistry, callerbytes);
    Class<?> callerClazz002 = loadit("tgt.StaticICallerTwo002", rewrittenBytes);
    //		ClassPrinter.print(rewrittenBytes);
    //		callee.loadNewVersion("2", retrieveRename("tgt.SimpleClass", "tgt.SimpleClass002"));
    result = runUnguarded(callerClazz002, "run");
    assertEquals("27", result.returnValue);
}

Example 82 with ReloadableType

use of org.springsource.loaded.ReloadableType in project spring-loaded by spring-projects.

the class MethodInvokerRewriterTests method callingMethodIntroducedLaterReturningPrimitiveByte.

@Test
public void callingMethodIntroducedLaterReturningPrimitiveByte() throws Exception {
    TypeRegistry typeRegistry = TypeRegistry.getTypeRegistryFor(binLoader);
    // Configure it directly such that data.Apple is considered reloadable
    configureForTesting(typeRegistry, "data.Apple");
    ReloadableType apple = typeRegistry.addType("data.Apple", loadBytesForClass("data.Apple"));
    byte[] callerbytes = loadBytesForClass("data.Orange002");
    callerbytes = ClassRenamer.rename("data.Orange", callerbytes, "data.Apple002:data.Apple");
    byte[] rewrittenBytes = MethodInvokerRewriter.rewrite(typeRegistry, callerbytes);
    Class<?> callerClazz = loadit("data.Orange", rewrittenBytes);
    runExpectNoSuchMethodException(callerClazz, "callAppleRetByte", new Object[] { (byte) 54 });
    // Load a version of Apple that does define that method
    apple.loadNewVersion("002", retrieveRename("data.Apple", "data.Apple002"));
    Result result = runUnguarded(callerClazz, "callAppleRetByte", new Object[] { (byte) 32 });
    assertEquals((byte) 64, result.returnValue);
}

Example 83 with ReloadableType

use of org.springsource.loaded.ReloadableType in project spring-loaded by spring-projects.

the class MethodInvokerRewriterTests method superCallsFillingEmptyHierarchy.

/**
	 * Starting all empty and filling things in on reloads - will the super calls be right?
	 */
@Test
public void superCallsFillingEmptyHierarchy() throws Exception {
    TypeRegistry tr = getTypeRegistry("invokespecial..*");
    ReloadableType x = loadType(tr, "invokespecial.X");
    ReloadableType y = loadType(tr, "invokespecial.Y");
    ReloadableType z = loadType(tr, "invokespecial.Z");
    Object object = z.getClazz().newInstance();
    Method method = null;
    String string = null;
    // does nothing:  X and Y are completely empty and all Z.run() does is return ""
    method = z.getClazz().getMethod("run");
    string = (String) method.invoke(object);
    assertEquals("", string);
    // load new version of X with a method in it: String foo() { return "X002.foo" }
    x.loadNewVersion("002", retrieveRename("invokespecial.X", "invokespecial.X002"));
    // no difference, no-one is calling foo()!
    assertEquals("", method.invoke(object));
    // load new version of Z, this will be calling super.foo() and be accessing the one in X002. Y002 is no different
    z.loadNewVersion("002", retrieveRename("invokespecial.Z", "invokespecial.Z002", "invokespecial.X002:invokespecial.X", "invokespecial.Y002:invokespecial.Y"));
    // run() now calls 'super.foo()' so should return "X002.foo"
    string = (String) method.invoke(object);
    assertEquals("X002.foo", string);
    // Now reload Y, should make no difference.  Y002 is no different
    y.loadNewVersion("002", retrieveRename("invokespecial.Y", "invokespecial.Y002", "invokespecial.X002:invokespecial.X"));
    assertEquals("X002.foo", method.invoke(object));
    // I see it is Ys dispatcher that isn't dispatching to the X.foo() method
    // Now reload Y, Y003 does provide an implementation
    y.loadNewVersion("003", retrieveRename("invokespecial.Y", "invokespecial.Y003", "invokespecial.X002:invokespecial.X"));
    assertEquals("Y003.foo", method.invoke(object));
    // Now remove it from Y
    y.loadNewVersion("004", retrieveRename("invokespecial.Y", "invokespecial.Y"));
    string = (String) method.invoke(object);
    assertEquals("X002.foo", string);
    // Now remove it from X
    x.loadNewVersion("004", retrieveRename("invokespecial.X", "invokespecial.X"));
    try {
        string = (String) method.invoke(object);
        fail();
    } catch (InvocationTargetException ite) {
        assertEquals("java.lang.NoSuchMethodError", ite.getCause().getClass().getName());
        assertEquals("invokespecial.Y.foo()Ljava/lang/String;", ite.getCause().getMessage());
    }
}

Example 84 with ReloadableType

use of org.springsource.loaded.ReloadableType in project spring-loaded by spring-projects.

the class ReloadableTypeTests method innerTypesLosingStaticModifier.

@Test
public void innerTypesLosingStaticModifier() throws Exception {
    TypeRegistry typeRegistry = getTypeRegistry("inners.Outer$Inner");
    byte[] sc = loadBytesForClass("inners.Outer$Inner");
    ReloadableType rtype = typeRegistry.addType("inners.Outer$Inner", sc);
    Class<?> simpleClass = rtype.getClazz();
    Result r = null;
    r = runUnguarded(simpleClass, "foo");
    assertEquals("foo!", r.returnValue);
    assertTrue(Modifier.isPublic((Integer) runUnguarded(simpleClass, "getModifiers").returnValue));
    assertTrue(Modifier.isStatic((Integer) runUnguarded(simpleClass, "getModifiers").returnValue));
    rtype.loadNewVersion("002", retrieveRename("inners.Outer$Inner", "inners.Outer2$Inner2"));
    r = runUnguarded(simpleClass, "foo");
    assertEquals("bar!", r.returnValue);
    assertTrue(Modifier.isPublic((Integer) runUnguarded(simpleClass, "getModifiers").returnValue));
    assertTrue(Modifier.isStatic((Integer) runUnguarded(simpleClass, "getModifiers").returnValue));
}

Example 85 with ReloadableType

use of org.springsource.loaded.ReloadableType in project spring-loaded by spring-projects.

the class ScenarioTests method scenarioB_methodReplacement.

/**
	 * Scenario: A method is being discovered through reflection (getDeclaredMethods()). The method does not exist
	 * initially but is introduced later. Once found, an attempt is made to access annotations on this method (through
	 * getDeclaredAnnotations()) - these annotations do not exist initially but are then added.
	 */
@Test
public void scenarioB_methodReplacement() throws Exception {
    TypeRegistry typeRegistry = TypeRegistry.getTypeRegistryFor(binLoader);
    // Configure it directly such that data.Apple is considered reloadable
    configureForTesting(typeRegistry, "data..*");
    ReloadableType scenarioB = typeRegistry.addType("data.ScenarioB", loadBytesForClass("data.ScenarioB"));
    Class<?> scenarioClazz = scenarioB.getClazz();
    Object o = scenarioClazz.newInstance();
    String result = (String) runOnInstance(scenarioClazz, o, "methodAccessor").returnValue;
    Assert.assertEquals("method not found", result);
    result = (String) runOnInstance(scenarioClazz, o, "methodAccessor").returnValue;
    Assert.assertEquals("method not found", result);
    // load the version defining the method
    scenarioB.loadNewVersion("002", retrieveRename("data.ScenarioB", "data.ScenarioB002"));
    result = (String) runOnInstance(scenarioClazz, o, "methodAccessor").returnValue;
    Assert.assertEquals("method found", result);
    result = (String) runOnInstance(scenarioClazz, o, "methodAccessor").returnValue;
    Assert.assertEquals("method found", result);
    // now check for annotations
    result = (String) runOnInstance(scenarioClazz, o, "annoAccessor").returnValue;
    Assert.assertEquals("no annotations", result);
    result = (String) runOnInstance(scenarioClazz, o, "annoAccessor").returnValue;
    Assert.assertEquals("no annotations", result);
    // load the version where the method is annotated
    scenarioB.loadNewVersion("003", retrieveRename("data.ScenarioB", "data.ScenarioB003"));
    result = (String) runOnInstance(scenarioClazz, o, "annoAccessor").returnValue;
    Assert.assertEquals("found @data.Wiggle(value=default)", result);
    result = (String) runOnInstance(scenarioClazz, o, "annoAccessor").returnValue;
    Assert.assertEquals("found @data.Wiggle(value=default)", result);
}