Example usage for javax.persistence.criteria CriteriaBuilder equal

List of usage examples for javax.persistence.criteria CriteriaBuilder equal

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Introduction

In this page you can find the example usage for javax.persistence.criteria CriteriaBuilder equal.

Prototype

Predicate equal(Expression<?> x, Object y);

Source Link

Document

Create a predicate for testing the arguments for equality.

Usage

From source file:com.i5le.framwork.core.persistence.DynamicSpecifications.java

public static <T> Specification<T> bySearchFilter(final Collection<SearchFilter> filters,
        final Class<T> entityClazz) {
    return new Specification<T>() {
        @Override//from  w ww. j  ava  2  s . c  o  m
        public Predicate toPredicate(Root<T> root, CriteriaQuery<?> query, CriteriaBuilder builder) {
            if (Collections3.isNotEmpty(filters)) {

                List<Predicate> predicates = Lists.newArrayList();
                for (SearchFilter filter : filters) {
                    // nested path translate, Task??"user.name"filedName, ?Task.user.name
                    String[] names = StringUtils.split(filter.fieldName, ".");
                    Path expression = root.get(names[0]);
                    for (int i = 1; i < names.length; i++) {
                        expression = expression.get(names[i]);
                    }

                    // logic operator
                    switch (filter.operator) {
                    case EQ:
                        predicates.add(builder.equal(expression, filter.value));
                        break;
                    case LIKE:
                        predicates.add(builder.like(expression, "%" + filter.value + "%"));
                        break;
                    case GT:
                        predicates.add(builder.greaterThan(expression, (Comparable) filter.value));
                        break;
                    case LT:
                        predicates.add(builder.lessThan(expression, (Comparable) filter.value));
                        break;
                    case GTE:
                        predicates.add(builder.greaterThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    case LTE:
                        predicates.add(builder.lessThanOrEqualTo(expression, (Comparable) filter.value));
                        break;

                    case NEQ:
                        predicates.add(builder.notEqual(expression, filter.value));
                        break;

                    }
                }

                // ? and ???
                if (!predicates.isEmpty()) {
                    return builder.and(predicates.toArray(new Predicate[predicates.size()]));
                }
            }

            return builder.conjunction();
        }
    };
}

From source file:com.frame.base.repository.jpa.DynamicSpecifications.java

public static <T> Specification<T> bySearchFilter(final Collection<SearchFilter> filters,
        final Class<T> entityClazz) {
    return new Specification<T>() {
        @SuppressWarnings({ "rawtypes", "unchecked" })
        @Override/*from  w w  w.j  ava2s  .  c om*/
        public Predicate toPredicate(Root<T> root, CriteriaQuery<?> query, CriteriaBuilder builder) {
            if (filters != null && !filters.isEmpty()) {
                List<Predicate> predicates = Lists.newArrayList();
                for (SearchFilter filter : filters) {
                    // nested path translate, Task??"user.name"filedName,
                    // ?Task.user.name
                    String[] names = StringUtils.split(filter.fieldName, ".");
                    Path expression = root.get(names[0]);
                    for (int i = 1; i < names.length; i++) {
                        expression = expression.get(names[i]);
                    }

                    // logic operator
                    switch (filter.operator) {
                    case EQ:
                        predicates.add(builder.equal(expression, filter.value));
                        break;
                    case LIKE:
                        predicates.add(builder.like(expression, "%" + filter.value + "%"));
                        break;
                    case GT:
                        predicates.add(builder.greaterThan(expression, (Comparable) filter.value));
                        break;
                    case LT:
                        predicates.add(builder.lessThan(expression, (Comparable) filter.value));
                        break;
                    case GTE:
                        predicates.add(builder.greaterThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    case LTE:
                        predicates.add(builder.lessThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    case NE:
                        predicates.add(builder.notEqual(expression, (Comparable) filter.value));
                    case IN:
                        predicates.add(
                                builder.in(expression).in(Arrays.asList(filter.value.toString().split(","))));
                    }
                }

                // ? and ???
                if (!predicates.isEmpty()) {
                    return builder.and(predicates.toArray(new Predicate[predicates.size()]));
                }
            }

            return builder.conjunction();
        }
    };
}

From source file:com.it.j2ee.modules.common.util.DynamicSpecifications.java

public static <T> Specification<T> bySearchFilter(final Collection<SearchFilter> filters,
        final Class<T> entityClazz) {
    return new Specification<T>() {
        public Predicate toPredicate(Root<T> root, CriteriaQuery<?> query, CriteriaBuilder builder) {
            if (Collections3.isNotEmpty(filters)) {

                List<Predicate> predicates = Lists.newArrayList();
                for (SearchFilter filter : filters) {
                    // nested path translate, Task??"user.name"filedName,
                    // ?Task.user.name
                    String[] names = StringUtils.split(filter.fieldName, ".");
                    Path expression = root.get(names[0]);
                    for (int i = 1; i < names.length; i++) {
                        expression = expression.get(names[i]);
                    }/*from   w w w.j a v a  2 s  .com*/

                    // logic operator
                    switch (filter.operator) {
                    case EQ:
                        predicates.add(builder.equal(expression, filter.value));
                        break;
                    case LIKE:
                        predicates.add(builder.like(expression, "%" + filter.value + "%"));
                        break;
                    case GT:
                        predicates.add(builder.greaterThan(expression, (Comparable) filter.value));
                        break;
                    case LT:
                        predicates.add(builder.lessThan(expression, (Comparable) filter.value));
                        break;
                    case GTE:
                        predicates.add(builder.greaterThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    case LTE:
                        predicates.add(builder.lessThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    case IN:
                        CriteriaBuilder.In in = builder.in(expression);
                        String values = (String) filter.value;
                        String[] value = values.split(",");
                        for (int i = 0; i < value.length; i++) {
                            in.value(value[i]);
                        }
                        predicates.add(in);
                        break;
                    case NEQ:
                        predicates.add(builder.notEqual(expression, (Comparable) filter.value));
                        break;
                    }
                }

                // ? and ???
                if (!predicates.isEmpty()) {
                    return builder.and(predicates.toArray(new Predicate[predicates.size()]));
                }
            }

            return builder.conjunction();
        }
    };
}

From source file:com.faceye.feature.repository.jpa.DynamicSpecifications.java

public static <T> Specification<T> bySearchFilter(final Collection<SearchFilter> filters,
        final Class<T> entityClazz) {
    return new Specification<T>() {
        @Override/*from w  w  w. j  ava 2  s .  c o  m*/
        public Predicate toPredicate(Root<T> root, CriteriaQuery<?> query, CriteriaBuilder builder) {
            if (CollectionUtils.isNotEmpty(filters)) {

                List<Predicate> predicates = Lists.newArrayList();
                for (SearchFilter filter : filters) {
                    // nested path translate, Task??"user.name"filedName, ?Task.user.name
                    String[] names = StringUtils.split(filter.fieldName, ".");
                    Path expression = root.get(names[0]);
                    for (int i = 1; i < names.length; i++) {
                        expression = expression.get(names[i]);
                    }

                    // logic operator
                    switch (filter.operator) {
                    case EQ:
                        if (filter.value instanceof Number) {
                            predicates.add(builder.equal(expression, (Number) filter.value));
                        } else if (filter.value instanceof String) {
                            if (StringUtils.isNotEmpty(filter.value.toString())) {
                                predicates.add(builder.equal(expression, filter.value));
                            }
                        } else {
                            predicates.add(builder.equal(expression, filter.value));
                        }
                        break;
                    case LIKE:
                        predicates.add(builder.like(expression, "%" + filter.value + "%"));
                        break;
                    case GT:
                        predicates.add(builder.greaterThan(expression, (Comparable) filter.value));
                        break;
                    case LT:
                        predicates.add(builder.lessThan(expression, (Comparable) filter.value));
                        break;
                    case GTE:
                        predicates.add(builder.greaterThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    case LTE:
                        predicates.add(builder.lessThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    case ISTRUE:
                        predicates.add(builder.isTrue(expression));
                        break;
                    case ISFALSE:
                        predicates.add(builder.isFalse(expression));
                        break;
                    case ISEMPTY:
                        predicates.add(builder.isEmpty(expression));
                        break;
                    case ISNULL:
                        predicates.add(builder.isNull(expression));
                        break;
                    case NE:
                        predicates.add(builder.notEqual(expression, filter.value));
                    }
                }

                // ? and ???
                if (!predicates.isEmpty()) {
                    return builder.and(predicates.toArray(new Predicate[predicates.size()]));
                }
            }

            return builder.conjunction();
        }
    };
}

From source file:com.netflix.genie.web.data.repositories.jpa.specifications.JpaClusterSpecs.java

/**
 * Generate a specification given the parameters.
 *
 * @param name          The name of the cluster to find
 * @param statuses      The statuses of the clusters to find
 * @param tags          The tags of the clusters to find
 * @param minUpdateTime The minimum updated time of the clusters to find
 * @param maxUpdateTime The maximum updated time of the clusters to find
 * @return The specification//from   www  .j  a v a 2  s  .c  om
 */
public static Specification<ClusterEntity> find(@Nullable final String name,
        @Nullable final Set<ClusterStatus> statuses, @Nullable final Set<TagEntity> tags,
        @Nullable final Instant minUpdateTime, @Nullable final Instant maxUpdateTime) {
    return (final Root<ClusterEntity> root, final CriteriaQuery<?> cq, final CriteriaBuilder cb) -> {
        final List<Predicate> predicates = new ArrayList<>();
        if (StringUtils.isNotBlank(name)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ClusterEntity_.name), name));
        }
        if (minUpdateTime != null) {
            predicates.add(cb.greaterThanOrEqualTo(root.get(ClusterEntity_.updated), minUpdateTime));
        }
        if (maxUpdateTime != null) {
            predicates.add(cb.lessThan(root.get(ClusterEntity_.updated), maxUpdateTime));
        }
        if (tags != null && !tags.isEmpty()) {
            final Join<ClusterEntity, TagEntity> tagEntityJoin = root.join(ClusterEntity_.tags);
            predicates.add(tagEntityJoin.in(tags));
            cq.groupBy(root.get(ClusterEntity_.id));
            cq.having(cb.equal(cb.count(root.get(ClusterEntity_.id)), tags.size()));
        }
        if (statuses != null && !statuses.isEmpty()) {
            //Could optimize this as we know size could use native array
            predicates.add(
                    cb.or(statuses.stream().map(status -> cb.equal(root.get(ClusterEntity_.status), status))
                            .toArray(Predicate[]::new)));
        }

        return cb.and(predicates.toArray(new Predicate[predicates.size()]));
    };
}

From source file:com.github.lothar.security.acl.jpa.spec.CustomerSpecification.java

@Override
public Predicate toPredicate(Root<Customer> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
    return cb.equal(root.get("lastName"), lastName);
}

From source file:com.github.lothar.security.acl.sample.SampleApplication.java

@Bean
public Specification<Customer> smithFamilySpec(JpaSpecFeature<Customer> jpaSpecFeature) {
    Specification<Customer> smithFamilySpec = new Specification<Customer>() {
        @Override/*w w w . j av  a  2  s.  c  om*/
        public Predicate toPredicate(Root<Customer> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
            return cb.equal(root.get("lastName"), "Smith");
        }
    };
    customerStrategy.install(jpaSpecFeature, smithFamilySpec);
    return smithFamilySpec;
}

From source file:com.mxep.web.common.persistence.DynamicSpecifications.java

private static List<Predicate> getPredicate(Collection<SearchFilter> filters, Root<?> root,
        CriteriaQuery<?> query, CriteriaBuilder builder) {
    List<Predicate> predicates = Lists.newArrayList();
    for (SearchFilter filter : filters) {
        // nested path translate, Task??"user.name"filedName,
        // ?Task.user.name
        String[] names = StringUtils.split(filter.fieldName, ".");
        Path expression = root.get(names[0]);
        for (int i = 1; i < names.length; i++) {
            expression = expression.get(names[i]);
        }//from   www  .ja v  a2 s  . c  o  m

        /*????*/
        if (expression.getJavaType().equals(Integer.class)
                && !filter.operator.equals(SearchFilter.Operator.IN)) {
            filter.value = Integer.parseInt(filter.value.toString());
        }

        // logic operator
        switch (filter.operator) {
        case EQ:
            predicates.add(builder.equal(expression, filter.value));
            break;
        case LIKE:
            predicates.add(builder.like(expression, "%" + filter.value + "%"));
            break;
        case GT:
            predicates.add(builder.greaterThan(expression, (Comparable) filter.value));
            break;
        case LT:
            predicates.add(builder.lessThan(expression, (Comparable) filter.value));
            break;
        case GTE:
            predicates.add(builder.greaterThanOrEqualTo(expression, (Comparable) filter.value));
            break;
        case LTE:
            predicates.add(builder.lessThanOrEqualTo(expression, (Comparable) filter.value));
            break;
        case NEQ:
            predicates.add(builder.notEqual(expression, filter.value));
            break;
        case IN:
            In in = builder.in(expression);
            String value = filter.value.toString();
            String[] values = StringUtils.split(value, ",");
            for (int i = 0; i < values.length; i++) {
                /*????*/
                if (expression.getJavaType().equals(Integer.class) || expression.getJavaType().equals(int.class)
                        || expression.getJavaType().equals(byte.class)) {
                    in.value(Integer.valueOf(values[i]));
                } else {
                    in.value(values[i]);
                }

            }
            predicates.add(in);
            break;
        case NULL:
            predicates.add(builder.isNull(expression));
            break;
        case NOTNULL:
            predicates.add(builder.isNotNull(expression));
            break;
        }
    }
    return predicates;
}

From source file:com.luna.common.repository.SpecificationUserRepositoryIT.java

@Test
public void test() {

    userRepository.save(user);//w  ww.  j  ava2  s  . c  om

    Specification<User> spec = new Specification<User>() {
        @Override
        public Predicate toPredicate(Root<User> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
            return cb.equal(root.get("id"), user.getId());
        }
    };

    clear();

    User dbUser = userRepository.findOne(spec);
    assertNotNull(dbUser);

}

From source file:cc.sion.core.persistence.DynamicSpecifications.java

public static <T> Specification<T> bySearchFilter(final Collection<SearchFilter> filters,
        final Class<T> entityClazz) {
    return new Specification<T>() {
        @Override/* ww w .  j  a v a  2 s  .c o  m*/
        public Predicate toPredicate(Root<T> root, CriteriaQuery<?> query, CriteriaBuilder builder) {
            if (Collections3.isNotEmpty(filters)) {

                List<Predicate> predicates = Lists.newArrayList();
                for (SearchFilter filter : filters) {
                    // nested path translate, Task??"user.name"filedName, ?Task.user.name
                    String[] names = StringUtils.split(filter.fieldName, ".");
                    Path expression = root.get(names[0]);
                    for (int i = 1; i < names.length; i++) {
                        expression = expression.get(names[i]);
                    }
                    //                  if(log.isDebugEnabled()){
                    //                     log.debug("   {}-{}-{}",names[0],filter.operator,filter.value);
                    //                  }
                    // logic operator
                    switch (filter.operator) {
                    case EQ:
                        predicates.add(builder.equal(expression, filter.value));
                        break;
                    case NE:
                        predicates.add(builder.notEqual(expression, filter.value));
                        break;
                    case LIKE:
                        predicates.add(builder.like(expression, "%" + filter.value + "%"));
                        break;
                    case GT:
                        predicates.add(builder.greaterThan(expression, (Comparable) filter.value));
                        break;
                    case LT:
                        predicates.add(builder.lessThan(expression, (Comparable) filter.value));
                        break;
                    case GTE:
                        predicates.add(builder.greaterThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    case LTE:
                        predicates.add(builder.lessThanOrEqualTo(expression, (Comparable) filter.value));
                        break;
                    }
                }

                // ? and ???
                if (!predicates.isEmpty()) {
                    return builder.and(predicates.toArray(new Predicate[predicates.size()]));
                }
            }

            return builder.conjunction();
        }
    };
}