Examples with CallSite java.lang.invoke.CallSite used on opensource projects

Example 11 with CallSite

use of java.lang.invoke.CallSite in project jdk8u_jdk by JetBrains.

the class LambdaReceiver method main.

public static void main(String[] args) throws Throwable {
    l = MethodHandles.lookup();
    h = l.findVirtual(LambdaReceiver_A.class, "f", mt(int.class));
    MethodType X = mt(int.class, LambdaReceiver.class);
    MethodType A = mt(int.class, LambdaReceiver_A.class);
    MethodType mti = mt(IA.class);
    CallSite cs = LambdaMetafactory.metafactory(l, "m", mti, A, h, X);
    IA p = (IA) cs.dynamicInvoker().invoke();
    LambdaReceiver_A lra = new LambdaReceiver_A();
    try {
        p.m(lra);
    } catch (ClassCastException cce) {
        return;
    }
    throw new AssertionError("CCE expected");
}

Example 12 with CallSite

use of java.lang.invoke.CallSite in project jdk8u_jdk by JetBrains.

the class LambdaReceiverBridge method main.

public static void main(String[] args) throws Throwable {
    l = MethodHandles.lookup();
    h = l.findVirtual(LambdaReceiver_A.class, "f", mt(int.class));
    MethodType X = mt(int.class, LambdaReceiverBridge.class);
    MethodType A = mt(int.class, LambdaReceiver_A.class);
    MethodType mti = mt(IA.class);
    CallSite cs = LambdaMetafactory.altMetafactory(l, "m", mti, X, h, X, LambdaMetafactory.FLAG_BRIDGES, 1, A);
    IA p = (IA) cs.dynamicInvoker().invoke();
    LambdaReceiver_A lra = new LambdaReceiver_A();
    try {
        p.m(lra);
    } catch (ClassCastException cce) {
        return;
    }
    throw new AssertionError("CCE expected");
}

Example 13 with CallSite

use of java.lang.invoke.CallSite in project jdk8u_jdk by JetBrains.

the class SerializedLambdaTest method testAltStdNonser.

// alt MF: nonserializable supertype
public void testAltStdNonser() throws Throwable {
    MethodHandle fooMH = MethodHandles.lookup().findStatic(SerializedLambdaTest.class, "foo", predicateMT);
    // Alt metafactory, non-serializable target: not serializable
    CallSite cs = LambdaMetafactory.altMetafactory(MethodHandles.lookup(), "test", MethodType.methodType(Predicate.class), predicateMT, fooMH, stringPredicateMT, 0);
    assertNotSerial((Predicate<String>) cs.getTarget().invokeExact(), fooAsserter);
}

Example 14 with CallSite

use of java.lang.invoke.CallSite in project jdk8u_jdk by JetBrains.

the class SerializedLambdaTest method testDirectStdSer.

// standard MF: serializable supertype
public void testDirectStdSer() throws Throwable {
    MethodHandle fooMH = MethodHandles.lookup().findStatic(SerializedLambdaTest.class, "foo", predicateMT);
    // Standard metafactory, serializable target: not serializable
    CallSite cs = LambdaMetafactory.metafactory(MethodHandles.lookup(), "test", MethodType.methodType(SerPredicate.class), predicateMT, fooMH, stringPredicateMT);
    assertNotSerial((SerPredicate<String>) cs.getTarget().invokeExact(), fooAsserter);
}

Example 15 with CallSite

use of java.lang.invoke.CallSite in project jdk8u_jdk by JetBrains.

the class SerializedLambdaTest method testAltStdSer.

// alt MF: serializable supertype
public void testAltStdSer() throws Throwable {
    MethodHandle fooMH = MethodHandles.lookup().findStatic(SerializedLambdaTest.class, "foo", predicateMT);
    // Alt metafactory, serializable target, no FLAG_SERIALIZABLE: not serializable
    CallSite cs = LambdaMetafactory.altMetafactory(MethodHandles.lookup(), "test", MethodType.methodType(SerPredicate.class), predicateMT, fooMH, stringPredicateMT, 0);
    assertNotSerial((SerPredicate<String>) cs.getTarget().invokeExact(), fooAsserter);
    // Alt metafactory, serializable marker, no FLAG_SERIALIZABLE: not serializable
    cs = LambdaMetafactory.altMetafactory(MethodHandles.lookup(), "test", MethodType.methodType(Predicate.class), predicateMT, fooMH, stringPredicateMT, LambdaMetafactory.FLAG_MARKERS, 1, Serializable.class);
    assertNotSerial((Predicate<String>) cs.getTarget().invokeExact(), fooAsserter);
}