Java CallSite.dynamicInvoker方法代碼示例

本文整理匯總了Java中java.lang.invoke.CallSite.dynamicInvoker方法的典型用法代碼示例。如果您正苦於以下問題：Java CallSite.dynamicInvoker方法的具體用法？Java CallSite.dynamicInvoker怎麽用？Java CallSite.dynamicInvoker使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.lang.invoke.CallSite的用法示例。

在下文中一共展示了CallSite.dynamicInvoker方法的14個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: testOneType

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
/** calls toString() on integers, twice */
public void testOneType() throws Throwable {
    CallSite site = DefBootstrap.bootstrap(MethodHandles.publicLookup(), 
                                              "toString", 
                                              MethodType.methodType(String.class, Object.class), 
                                              0,
                                              DefBootstrap.METHOD_CALL, "");
    MethodHandle handle = site.dynamicInvoker();
    assertDepthEquals(site, 0);

    // invoke with integer, needs lookup
    assertEquals("5", (String)handle.invokeExact((Object)5));
    assertDepthEquals(site, 1);

    // invoked with integer again: should be cached
    assertEquals("6", (String)handle.invokeExact((Object)6));
    assertDepthEquals(site, 1);
}

開發者ID:justor，項目名稱:elasticsearch_my，代碼行數:19，代碼來源:DefBootstrapTests.java

示例2: testTwoTypes

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
public void testTwoTypes() throws Throwable {
    CallSite site = DefBootstrap.bootstrap(MethodHandles.publicLookup(), 
                                              "toString", 
                                              MethodType.methodType(String.class, Object.class), 
                                              0,
                                              DefBootstrap.METHOD_CALL, "");
    MethodHandle handle = site.dynamicInvoker();
    assertDepthEquals(site, 0);

    assertEquals("5", (String)handle.invokeExact((Object)5));
    assertDepthEquals(site, 1);
    assertEquals("1.5", (String)handle.invokeExact((Object)1.5f));
    assertDepthEquals(site, 2);

    // both these should be cached
    assertEquals("6", (String)handle.invokeExact((Object)6));
    assertDepthEquals(site, 2);
    assertEquals("2.5", (String)handle.invokeExact((Object)2.5f));
    assertDepthEquals(site, 2);
}

開發者ID:justor，項目名稱:elasticsearch_my，代碼行數:21，代碼來源:DefBootstrapTests.java

示例3: testTooManyTypes

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
public void testTooManyTypes() throws Throwable {
    // if this changes, test must be rewritten
    assertEquals(5, DefBootstrap.PIC.MAX_DEPTH);
    CallSite site = DefBootstrap.bootstrap(MethodHandles.publicLookup(), 
                                              "toString", 
                                              MethodType.methodType(String.class, Object.class), 
                                              0,
                                              DefBootstrap.METHOD_CALL, "");
    MethodHandle handle = site.dynamicInvoker();
    assertDepthEquals(site, 0);

    assertEquals("5", (String)handle.invokeExact((Object)5));
    assertDepthEquals(site, 1);
    assertEquals("1.5", (String)handle.invokeExact((Object)1.5f));
    assertDepthEquals(site, 2);
    assertEquals("6", (String)handle.invokeExact((Object)6L));
    assertDepthEquals(site, 3);
    assertEquals("3.2", (String)handle.invokeExact((Object)3.2d));
    assertDepthEquals(site, 4);
    assertEquals("foo", (String)handle.invokeExact((Object)"foo"));
    assertDepthEquals(site, 5);
    assertEquals("c", (String)handle.invokeExact((Object)'c'));
    assertDepthEquals(site, 5);
}

開發者ID:justor，項目名稱:elasticsearch_my，代碼行數:25，代碼來源:DefBootstrapTests.java

示例4: check_bootstrap_varargs

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
@Test
public void check_bootstrap_varargs() throws Throwable {
  MethodHandle handle = lookup().findStatic(ClosureCallSupportTest.class, "concat", genericMethodType(0, true));
  FunctionReference funRef = new FunctionReference(handle);
  CallSite callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, FunctionReference.class, Object.class, Object.class), 0);
  MethodHandle invoker = callSite.dynamicInvoker();
  assertThat((String) invoker.invokeWithArguments(funRef, 1, 2), is("12"));

  handle = lookup().findStatic(ClosureCallSupportTest.class, "concat", genericMethodType(0, true));
  funRef = new FunctionReference(handle);
  callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, FunctionReference.class, Object.class), 0);
  invoker = callSite.dynamicInvoker();
  assertThat((String) invoker.invokeWithArguments(funRef, 1), is("1"));

  handle = lookup().findStatic(ClosureCallSupportTest.class, "concat", genericMethodType(0, true));
  funRef = new FunctionReference(handle);
  callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, FunctionReference.class), 0);
  invoker = callSite.dynamicInvoker();
  assertThat((String) invoker.invokeWithArguments(funRef), is(""));

  handle = lookup().findStatic(ClosureCallSupportTest.class, "concat", genericMethodType(0, true));
  funRef = new FunctionReference(handle);
  callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, FunctionReference.class, Object.class), 0);
  invoker = callSite.dynamicInvoker();
  assertThat((String) invoker.invokeWithArguments(funRef, new Object[]{1,2}), is("12"));
}

開發者ID:dynamid，項目名稱:golo-lang-insa-citilab-historical-reference，代碼行數:27，代碼來源:ClosureCallSupportTest.java

示例5: dynamic_object_smoke_tests

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
@Test
public void dynamic_object_smoke_tests() throws Throwable {
  DynamicObject a = new DynamicObject();
  DynamicObject b = new DynamicObject();
  CallSite plopper = MethodInvocationSupport.bootstrap(lookup(), "plop", methodType(Object.class, Object.class, Object.class), 1);
  MethodHandle invoker = plopper.dynamicInvoker();

  invoker.invoke(a, 1);
  assertThat(a.get("plop"), is((Object) 1));

  invoker.invoke(b, 1);
  assertThat(b.get("plop"), is((Object) 1));

  invoker.invoke(a, 10);
  assertThat(a.get("plop"), is((Object) 10));
  assertThat(b.get("plop"), is((Object) 1));

  assertThat(invoker.invoke(new Ploper(), 666), is((Object) "666"));

  b.undefine("plop");
  Object result = invoker.invoke(b, 1);
  assertThat(result, is((Object) b));
  assertThat(b.get("plop"), is((Object) 1));
}

開發者ID:dynamid，項目名稱:golo-lang-insa-citilab-historical-reference，代碼行數:25，代碼來源:MethodInvocationSupportTest.java

示例6: createComposableInvoker

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
private MethodHandle createComposableInvoker(final boolean isConstructor) {
    final MethodHandle handle = getInvokerOrConstructor(isConstructor);

    // If compiled function is not optimistic, it can't ever change its invoker/constructor, so just return them
    // directly.
    if(!canBeDeoptimized()) {
        return handle;
    }

    // Otherwise, we need a new level of indirection; need to introduce a mutable call site that can relink itslef
    // to the compiled function's changed target whenever the optimistic assumptions are invalidated.
    final CallSite cs = new MutableCallSite(handle.type());
    relinkComposableInvoker(cs, this, isConstructor);
    return cs.dynamicInvoker();
}

開發者ID:SunburstApps，項目名稱:OpenJSharp，代碼行數:16，代碼來源:CompiledFunction.java

示例7: createComposableInvoker

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
private MethodHandle createComposableInvoker(final boolean isConstructor) {
    final MethodHandle handle = getInvokerOrConstructor(isConstructor);

    // If compiled function is not optimistic, it can't ever change its invoker/constructor, so just return them
    // directly.
    if(!canBeDeoptimized()) {
        return handle;
    }

    // Otherwise, we need a new level of indirection; need to introduce a mutable call site that can relink itself
    // to the compiled function's changed target whenever the optimistic assumptions are invalidated.
    final CallSite cs = new MutableCallSite(handle.type());
    relinkComposableInvoker(cs, this, isConstructor);
    return cs.dynamicInvoker();
}

開發者ID:AdoptOpenJDK，項目名稱:openjdk-jdk10，代碼行數:16，代碼來源:CompiledFunction.java

示例8: getMethodHandle

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
public static MethodHandle getMethodHandle(Method m, Class<?>... paramTypes) {
  try {
    Class[] methodParamTypes = m.getParameterTypes();

    if (methodParamTypes != null) {
      if (methodParamTypes.length == paramTypes.length) {
        for (int i = 0; i < methodParamTypes.length; i++) {
          if (!paramTypes[i].isAssignableFrom(methodParamTypes[i])) {
            // for groovy and other languages that do not do type check at compile time
            if (!methodParamTypes[i].equals(Object.class)) {
              return null;
            }
          }
        }
      } else {
        return null;
      }
    } else {
      return null;
    }

    MethodHandle methodHandle = lookup.unreflect(m);
    CallSite callSite = new ConstantCallSite(methodHandle);
    return callSite.dynamicInvoker();

  } catch (IllegalAccessException e) {
    throw new RuntimeException(e);
  }
}

開發者ID:pmlopes，項目名稱:vertx-web-annotations，代碼行數:30，代碼來源:Processor.java

示例9: check_bootstrap

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
@Test
public void check_bootstrap() throws Throwable {
  MethodHandle handle = lookup().findStatic(ClosureCallSupportTest.class, "objectToString", genericMethodType(1));
  FunctionReference funRef = new FunctionReference(handle);
  CallSite callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, FunctionReference.class, Object.class), 0);

  MethodHandle invoker = callSite.dynamicInvoker();
  assertThat((String) invoker.invokeWithArguments(funRef, 123), is("123"));
  assertThat((String) invoker.invokeWithArguments(funRef, 123), is("123"));

  handle = lookup().findStatic(ClosureCallSupportTest.class, "objectToStringDecorated", genericMethodType(1));
  funRef = new FunctionReference(handle);
  assertThat((String) invoker.invokeWithArguments(funRef, 123), is("[123]"));
  assertThat((String) invoker.invokeWithArguments(funRef, 123), is("[123]"));
}

開發者ID:dynamid，項目名稱:golo-lang-insa-citilab-historical-reference，代碼行數:16，代碼來源:ClosureCallSupportTest.java

示例10: check_bootstrap_besides_Object

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
@Test
public void check_bootstrap_besides_Object() throws Throwable {
  MethodHandle handle = lookup().findStatic(ClosureCallSupportTest.class, "parseIntWrap", methodType(Integer.class, String.class));
  FunctionReference funRef = new FunctionReference(handle);
  CallSite callSite = ClosureCallSupport.bootstrap(lookup(), "closure", methodType(Object.class, FunctionReference.class, Object.class), 0);
  MethodHandle invoker = callSite.dynamicInvoker();
  assertThat((Integer) invoker.invokeWithArguments(funRef, "123"), is(123));
  assertThat((Integer) invoker.invokeWithArguments(funRef, "123"), is(123));
}

開發者ID:dynamid，項目名稱:golo-lang-insa-citilab-historical-reference，代碼行數:10，代碼來源:ClosureCallSupportTest.java

示例11: check_primitive_argument_allowance

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
@Test
public void check_primitive_argument_allowance() throws Throwable {
  List<String> list = Arrays.asList("a", "b", "c");
  CallSite get = MethodInvocationSupport.bootstrap(lookup(), "get", methodType(Object.class, Object.class, Object.class), 0);

  MethodHandle handle = get.dynamicInvoker();
  assertThat(((String) handle.invokeWithArguments(list, 0)), is("a"));
  assertThat(((String) handle.invokeWithArguments(list, 1)), is("b"));
  assertThat(((String) handle.invokeWithArguments(list, 2)), is("c"));
}

開發者ID:dynamid，項目名稱:golo-lang-insa-citilab-historical-reference，代碼行數:11，代碼來源:MethodInvocationSupportTest.java

示例12: nullsafe_invocation

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
@Test
public void nullsafe_invocation() throws Throwable {
  CallSite toString = MethodInvocationSupport.bootstrap(lookup(), "toString", methodType(Object.class, Object.class), 1);

  MethodHandle invoker = toString.dynamicInvoker();
  assertThat(invoker.invoke(null), nullValue());
  assertThat((String) invoker.invoke("a"), is("a"));
  assertThat((String) invoker.invoke("b"), is("b"));
  assertThat(invoker.invoke(null), nullValue());
}

開發者ID:dynamid，項目名稱:golo-lang-insa-citilab-historical-reference，代碼行數:11，代碼來源:MethodInvocationSupportTest.java

示例13: nullsafe_megamorphic_invocation

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
@Test
public void nullsafe_megamorphic_invocation() throws Throwable {
  CallSite toString = MethodInvocationSupport.bootstrap(lookup(), "toString", methodType(Object.class, Object.class), 1);
  MethodInvocationSupport.InlineCache pic = (MethodInvocationSupport.InlineCache) toString;
  pic.depth = MethodInvocationSupport.InlineCache.MEGAMORPHIC_THRESHOLD + 10;

  MethodHandle invoker = toString.dynamicInvoker();
  assertThat(invoker.invoke(null), nullValue());
  assertThat((String) invoker.invoke("a"), is("a"));
  assertThat((String) invoker.invoke(1), is("1"));
  assertThat((String) invoker.invoke(1L), is("1"));
  assertThat((String) invoker.invoke(Arrays.asList()), is("[]"));
  assertThat((String) invoker.invoke(new Object()), startsWith("java.lang.Object"));
  assertThat(invoker.invoke(null), nullValue());
}

開發者ID:dynamid，項目名稱:golo-lang-insa-citilab-historical-reference，代碼行數:16，代碼來源:MethodInvocationSupportTest.java

示例14: check_many_to_string

import java.lang.invoke.CallSite; //導入方法依賴的package包/類
@Test
public void check_many_to_string() throws Throwable {
  CallSite toString = MethodInvocationSupport.bootstrap(lookup(), "toString", methodType(Object.class, Object.class), 0);
  MethodHandle toStringMH = toString.dynamicInvoker();

  for (int i = 0; i < 5; i++) {
    String result = (String) toStringMH.invokeWithArguments(julien());
    assertThat(result, is("Person{name='Julien', email='[email protected]'}"));

    result = (String) toStringMH.invokeWithArguments("foo");
    assertThat(result, is("foo"));

    result = (String) toStringMH.invokeWithArguments(666);
    assertThat(result, is("666"));

    result = (String) toStringMH.invokeWithArguments(666L);
    assertThat(result, is("666"));

    result = (String) toStringMH.invokeWithArguments("foo");
    assertThat(result, is("foo"));

    result = (String) toStringMH.invokeWithArguments(new BigInteger("1234"));
    assertThat(result, is("1234"));

    result = (String) toStringMH.invokeWithArguments(new Object() {
      @Override
      public String toString() {
        return "Damn";
      }
    });
    assertThat(result, is("Damn"));

    result = (String) toStringMH.invokeWithArguments(new Object() {
      @Override
      public String toString() {
        return "Plop";
      }
    });
    assertThat(result, is("Plop"));

    result = (String) toStringMH.invokeWithArguments(new Object() {
      @Override
      public String toString() {
        return "Hey!";
      }
    });
    assertThat(result, is("Hey!"));
  }
}

開發者ID:dynamid，項目名稱:golo-lang-insa-citilab-historical-reference，代碼行數:50，代碼來源:MethodInvocationSupportTest.java

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