Java Modifier.isSynchronized方法代碼示例

import java.lang.reflect.Modifier; //導入方法依賴的package包/類
private static int getMethodFlags(Executable method) {
    int flags = FunctionInfo.NONE;
    int modifiers = method.getModifiers();
    if (Modifier.isAbstract(modifiers)) {
        flags |= FunctionInfo.ABSTRACT;
    }
    if (Modifier.isFinal(modifiers)) {
        flags |= FunctionInfo.FINAL;
    }
    if (Modifier.isPublic(modifiers)) {
        flags |= FunctionInfo.PUBLIC;
    } else if (Modifier.isProtected(modifiers)) {
        flags |= FunctionInfo.PROTECTED;
    } else if (Modifier.isPrivate(modifiers)) {
        flags |= FunctionInfo.PRIVATE;
    } else {
        flags |= FunctionInfo.DEFAULT;
    }
    if (Modifier.isStatic(modifiers)) {
        flags |= FunctionInfo.STATIC;
    }
    if (Modifier.isSynchronized(modifiers)) {
        flags |= FunctionInfo.SYNCHRONIZED;
    }
    return flags;
}
 

import java.lang.reflect.Modifier; //導入方法依賴的package包/類
/**
 * Test all the public, unsynchronized methods of the given class. If
 * isSelfTest is true, this is a self-test to ensure that the test program
 * itself is working correctly. Should help ensure correctness of this
 * program if it changes.
 * <p/>
 * @param aClass - the class to test
 * @param isSelfTest - true if this is the special self-test class
 * @throws SecurityException
 */
private static void testClass(Class<?> aClass, boolean isSelfTest) throws
        Exception {
    // Get all unsynchronized public methods via reflection.  We don't need
    // to test synchronized methods.  By definition. they are already doing
    // the right thing.
    List<Method> methods = Arrays.asList(aClass.getDeclaredMethods());
    for (Method m : methods) {
        // skip synthetic methods, like default interface methods and lambdas
        if (m.isSynthetic()) {
            continue;
        }
        int modifiers = m.getModifiers();
        if (Modifier.isPublic(modifiers)
                && !Modifier.isSynchronized(modifiers)) {
            try {
                testMethod(aClass, m);
            } catch (TestFailedException e) {
                if (isSelfTest) {
                    String methodName = e.getMethod().getName();
                    switch (methodName) {
                        case "should_pass":
                            throw new RuntimeException(
                                    "Test failed: self-test failed.  The 'should_pass' method did not pass the synchronization test. Check the test code.");
                        case "should_fail":
                            break;
                        default:
                            throw new RuntimeException(
                                    "Test failed: something is amiss with the test. A TestFailedException was generated on a call to "
                                    + methodName + " which we didn't expect to test in the first place.");
                    }
                } else {
                    throw new RuntimeException("Test failed: the method "
                            + e.getMethod().toString()
                            + " should be synchronized, but isn't.");
                }
            }
        }
    }
}
 

import java.lang.reflect.Modifier; //導入方法依賴的package包/類
public static boolean isAllModifiersContainSpecificModifier(int allModifiers, int specificModifier) {
    if (Modifier.isAbstract(allModifiers) && Modifier.isAbstract(specificModifier))
        return true;

    if (Modifier.isFinal(allModifiers) && Modifier.isFinal(specificModifier))
        return true;

    if (Modifier.isInterface(allModifiers) && Modifier.isInterface(specificModifier))
        return true;

    if (Modifier.isNative(allModifiers) && Modifier.isNative(specificModifier))
        return true;

    if (Modifier.isPrivate(allModifiers) && Modifier.isPrivate(specificModifier))
        return true;

    if (Modifier.isProtected(allModifiers) && Modifier.isProtected(specificModifier))
        return true;

    if (Modifier.isPublic(allModifiers) && Modifier.isPublic(specificModifier))
        return true;

    if (Modifier.isStatic(allModifiers) && Modifier.isStatic(specificModifier))
        return true;

    if (Modifier.isStrict(allModifiers) && Modifier.isStrict(specificModifier))
        return true;

    if (Modifier.isSynchronized(allModifiers) && Modifier.isSynchronized(specificModifier))
        return true;

    if (Modifier.isTransient(allModifiers) && Modifier.isTransient(specificModifier))
        return true;

    if (Modifier.isVolatile(allModifiers) && Modifier.isVolatile(specificModifier))
        return true;

    if (Modifier.isVolatile(allModifiers) && Modifier.isVolatile(specificModifier))
        return true;

    return false;
}
 

import java.lang.reflect.Modifier; //導入方法依賴的package包/類
/** Returns true if the method is synchronized. */
public final boolean isSynchronized() {
  return Modifier.isSynchronized(getModifiers());
}
 

import java.lang.reflect.Modifier; //導入方法依賴的package包/類
/**
 * Return true if this method is synchronized
 */
public boolean isSynchronized() {
    return Modifier.isSynchronized(getModifiers());
}
 

import java.lang.reflect.Modifier; //導入方法依賴的package包/類
/**
 * @see Modifier#isSynchronized(int)
 */
default boolean isSynchronized() {
    return Modifier.isSynchronized(getModifiers());
}
 

import java.lang.reflect.Modifier; //導入方法依賴的package包/類
/**
 * Tells whether the aspect member is synchronized or not;
 * 
 * @return
 */
public final boolean isSynchronized() {
	return Modifier.isSynchronized(getModifiers());
}