Example usage for org.apache.commons.collections4.functors EqualPredicate EqualPredicate

Introduction

In this page you can find the example usage for org.apache.commons.collections4.functors EqualPredicate EqualPredicate.

Prototype

public EqualPredicate(final T object) 

Source Link

Document

Constructor that performs no validation.

Usage

From source file:com.link_intersystems.lang.reflect.ReflectFacade.java

/**
 * A {@link Predicate} that evaluates to true if it is evaluated against
 * {@link Member} objects and the {@link Member#getName()} is equal to the
 * memberName this Predicate was constructed with.
 *
 * @return {@link Predicate} that evaluates to true if the {@link Member}'s
 *         name it is evaluated against is equal to the name that this
 *         {@link MemberNamePredicate} was constructed with.
 * @since 1.0.0.0//from www.jav a2  s. co m
 */
public static Predicate getMemberNamePredicate(String memberName) {
    Assert.notNull("memberName", memberName);

    class SerializableMemberNamePredicate implements SerializableReference<Predicate> {

        private static final long serialVersionUID = -625148437829360498L;

        private transient Predicate predicate;

        private final String memberName;

        public SerializableMemberNamePredicate(String memberName) {
            this.memberName = memberName;
        }

        public Predicate get() {
            if (predicate == null) {
                Method memberGetNameMethod = MethodUtils.getAccessibleMethod(Member.class, "getName",
                        new Class<?>[0]);
                MethodInvokingTransformer member2NameTransformer = new MethodInvokingTransformer(
                        memberGetNameMethod);
                Predicate propertyValuePredicate = AndPredicate
                        .andPredicate(NotNullPredicate.notNullPredicate(), new EqualPredicate(memberName));
                Predicate instance = TransformedPredicate.transformedPredicate(member2NameTransformer,
                        propertyValuePredicate);
                Predicate memberNamePredicate = AndPredicate.andPredicate(NotNullPredicate.notNullPredicate(),
                        instance);
                this.predicate = memberNamePredicate;
            }
            return predicate;
        }
    }

    return new SerializablePredicate(new SerializableMemberNamePredicate(memberName));
}

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From source file:com.link_intersystems.lang.reflect.ReflectFacade.java

/**
 * A {@link Predicate} that evaluates to true if the object it is evaluated
 * against is a {@link Member} and that {@link Member}'s declaring class is
 * equal to the {@link Class} that this/*ww w.j a v  a  2 s  . c  o m*/
 * {@link DeclaringClassMemberPredicate} was constructed with.
 *
 * @author Ren Link <a
 *         href="mailto:rene.link@link-intersystems.com">[rene.link@link-
 *         intersystems.com]</a>
 * @since 1.0.0.0
 */
public static Predicate getDeclaringClassPredicate(Class<?> declaringClass) {
    Assert.notNull("declaringClass", declaringClass);

    class SerializableDeclaringClassPredicate implements SerializableReference<Predicate> {

        private static final long serialVersionUID = -625148437829360498L;

        private transient Predicate predicate;

        private final Class<?> declaringClass;

        public SerializableDeclaringClassPredicate(Class<?> declaringClass) {
            this.declaringClass = declaringClass;
        }

        public Predicate get() {
            if (predicate == null) {
                Method getDeclaringClassMethod = MethodUtils.getAccessibleMethod(Member.class,
                        "getDeclaringClass", new Class<?>[0]);
                MethodInvokingTransformer member2NameTransformer = new MethodInvokingTransformer(
                        getDeclaringClassMethod);
                Predicate propertyValuePredicate = AndPredicate
                        .andPredicate(NotNullPredicate.notNullPredicate(), new EqualPredicate(declaringClass));
                Predicate instance = TransformedPredicate.transformedPredicate(member2NameTransformer,
                        propertyValuePredicate);
                Predicate memberNamePredicate = AndPredicate.andPredicate(NotNullPredicate.notNullPredicate(),
                        instance);
                this.predicate = memberNamePredicate;
            }
            return predicate;
        }
    }

    return new SerializablePredicate(new SerializableDeclaringClassPredicate(declaringClass));
}

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From source file:com.feilong.core.util.CollectionsUtilTest.java

@Test
public void testSelectPredicate1() {
    List<Long> list = toList(1L, 1L, 2L, 3L);
    assertThat(CollectionsUtil.select(list, new EqualPredicate<Long>(1L)), contains(1L, 1L));
    assertEquals(emptyList(), CollectionsUtil.select(null, new EqualPredicate<Long>(1L)));
}

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From source file:com.link_intersystems.lang.reflect.criteria.ClassCriteriaTest.java

@SuppressWarnings("unchecked")
@Test//ww w .  j  av a  2s  .co  m
public void visitAllFilter() {
    classCriteria.setTraverseStrategy(TraverseStrategy.DEPTH_FIRST);
    classCriteria.setSelection(ClassType.INTERFACES);
    classCriteria.add(ReflectFacade.getIsInterfacePredicate());
    classCriteria.add(NotPredicate
            .notPredicate(EqualPredicate.equalPredicate(GenericSubSubWithMultipleInterfaces.class)));
    classCriteria.setTraverseClassesUniquely(false);
    Iterator<Class<?>> iterator = classCriteria.getIterable(GenericSubSubWithMultipleInterfaces.class)
            .iterator();

    List<Class<?>> interfaces = IteratorUtils.toList(iterator);
    Collection<Class<?>> expectedInterfaces = new ArrayList<Class<?>>(Arrays.asList(GenericSubInterface.class,
            GenericInterface_Types_A_B_C.class, GenericInterface_Types_A_B_C.class));
    for (Class<?> interf : interfaces) {
        assertTrue("Unexpected " + interf + " in interator", expectedInterfaces.remove(interf));
    }
    assertTrue("Iterator does not iterator over the interfaces " + expectedInterfaces,
            expectedInterfaces.isEmpty());
}

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