Example usage for org.springframework.util ReflectionUtils isHashCodeMethod

Introduction

In this page you can find the example usage for org.springframework.util ReflectionUtils isHashCodeMethod.

Prototype

public static boolean isHashCodeMethod(@Nullable Method method) 

Source Link

Document

Determine whether the given method is a "hashCode" method.

Usage

From source file:com.googlecode.ehcache.annotations.key.SimpleReflectionHelper.java

public boolean implementsHashCode(Object element) {
    final MutableBoolean found = new MutableBoolean();

    ReflectionUtils.doWithMethods(element.getClass(), new MethodCallback() {
        public void doWith(Method method) throws IllegalArgumentException, IllegalAccessException {
            if (found.value || method.getDeclaringClass() == Object.class) {
                return;
            }/* ww w  .  j  av a 2s. c  om*/

            if (ReflectionUtils.isHashCodeMethod(method)) {
                found.value = true;
            }
        }
    });

    return found.value;
}

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From source file:com.googlecode.ehcache.annotations.key.CachingReflectionHelper.java

/**
 * Scans a class to see if it implements the hashCode, toString and equals methods which are commonly
 * used by key generators/*  ww  w  . jav  a2s .  c  o m*/
 */
private boolean doesImplement(final Class<?> elementClass, ImplementsMethod method) {
    final Map<Class<?>, Set<ImplementsMethod>> cache = this.getCache();
    Set<ImplementsMethod> methodCache = cache.get(elementClass);

    if (methodCache == null) {
        methodCache = EnumSet.noneOf(ImplementsMethod.class);
        cache.put(elementClass, methodCache);

        //Create final reference for use by anonymous class
        final Set<ImplementsMethod> implementsSet = methodCache;
        ReflectionUtils.doWithMethods(elementClass, new MethodCallback() {
            public void doWith(Method method) throws IllegalArgumentException, IllegalAccessException {
                if (implementsSet.size() == 3 || method.getDeclaringClass() == Object.class) {
                    return;
                }

                if (ReflectionUtils.isEqualsMethod(method)) {
                    implementsSet.add(ImplementsMethod.EQUALS);
                } else if (ReflectionUtils.isHashCodeMethod(method)) {
                    implementsSet.add(ImplementsMethod.HASH_CODE);
                } else if (ReflectionUtils.isToStringMethod(method)) {
                    implementsSet.add(ImplementsMethod.TO_STRING);
                }
            }
        });
    }

    return methodCache.contains(method);
}

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From source file:org.springframework.integration.handler.support.MessagingMethodInvokerHelper.java

private static boolean isMethodDefinedOnObjectClass(Method method) {
    return method != null && (method.getDeclaringClass().equals(Object.class)
            || ReflectionUtils.isEqualsMethod(method) || ReflectionUtils.isHashCodeMethod(method)
            || ReflectionUtils.isToStringMethod(method) || AopUtils.isFinalizeMethod(method)
            || (method.getName().equals("clone") && method.getParameterTypes().length == 0));
}

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From source file:org.springframework.integration.util.MessagingMethodInvokerHelper.java

private static boolean isMethodDefinedOnObjectClass(Method method) {
    if (method == null) {
        return false;
    }//from  w w w.j a  va2 s.c o  m
    if (method.getDeclaringClass().equals(Object.class)) {
        return true;
    }
    if (ReflectionUtils.isEqualsMethod(method) || ReflectionUtils.isHashCodeMethod(method)
            || ReflectionUtils.isToStringMethod(method) || AopUtils.isFinalizeMethod(method)) {
        return true;
    }
    return (method.getName().equals("clone") && method.getParameterTypes().length == 0);
}

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