Example usage for javax.persistence.criteria CriteriaBuilder equal

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.ocs.dynamo.dao.query.JpaQueryBuilder.java

/**
 * Create a query for fetching a single object
 * /*from  w  w  w .j a va 2 s . c o  m*/
 * @param entityManager
 *            the entity manager
 * @param entityClass
 *            the entity class
 * @param id
 *            ID of the object to return
 * @param fetchJoins
 *            fetch joins to include
 * @return
 */
public static <ID, T> CriteriaQuery<T> createFetchSingleObjectQuery(EntityManager entityManager,
        Class<T> entityClass, ID id, FetchJoinInformation[] fetchJoins) {
    CriteriaBuilder builder = entityManager.getCriteriaBuilder();
    CriteriaQuery<T> cq = builder.createQuery(entityClass);
    Root<T> root = cq.from(entityClass);

    addFetchJoinInformation(root, fetchJoins);

    cq.where(builder.equal(root.get(DynamoConstants.ID), id));
    return cq;
}

---

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

/**
 * Get a specification using the specified parameters.
 *
 * @param name     The name of the application
 * @param user     The name of the user who created the application
 * @param statuses The status of the application
 * @param tags     The set of tags to search with
 * @param type     The type of applications to fine
 * @return A specification object used for querying
 *//*  www  . ja  v  a  2 s  . com*/
public static Specification<ApplicationEntity> find(@Nullable final String name, @Nullable final String user,
        @Nullable final Set<ApplicationStatus> statuses, @Nullable final Set<TagEntity> tags,
        @Nullable final String type) {
    return (final Root<ApplicationEntity> root, final CriteriaQuery<?> cq, final CriteriaBuilder cb) -> {
        final List<Predicate> predicates = new ArrayList<>();
        if (StringUtils.isNotBlank(name)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.name), name));
        }
        if (StringUtils.isNotBlank(user)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.user), user));
        }
        if (statuses != null && !statuses.isEmpty()) {
            predicates.add(
                    cb.or(statuses.stream().map(status -> cb.equal(root.get(ApplicationEntity_.status), status))
                            .toArray(Predicate[]::new)));
        }
        if (tags != null && !tags.isEmpty()) {
            final Join<ApplicationEntity, TagEntity> tagEntityJoin = root.join(ApplicationEntity_.tags);
            predicates.add(tagEntityJoin.in(tags));
            cq.groupBy(root.get(ApplicationEntity_.id));
            cq.having(cb.equal(cb.count(root.get(ApplicationEntity_.id)), tags.size()));
        }
        if (StringUtils.isNotBlank(type)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.type), type));
        }
        return cb.and(predicates.toArray(new Predicate[predicates.size()]));
    };
}

---

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

/**
 * Get a specification using the specified parameters.
 *
 * @param name     The name of the command
 * @param user     The name of the user who created the command
 * @param statuses The status of the command
 * @param tags     The set of tags to search the command for
 * @return A specification object used for querying
 *///from  w  ww .  ja v a2s  . c  om
public static Specification<CommandEntity> find(@Nullable final String name, @Nullable final String user,
        @Nullable final Set<CommandStatus> statuses, @Nullable final Set<TagEntity> tags) {
    return (final Root<CommandEntity> root, final CriteriaQuery<?> cq, final CriteriaBuilder cb) -> {
        final List<Predicate> predicates = new ArrayList<>();
        if (StringUtils.isNotBlank(name)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(CommandEntity_.name), name));
        }
        if (StringUtils.isNotBlank(user)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(CommandEntity_.user), user));
        }
        if (statuses != null && !statuses.isEmpty()) {
            predicates.add(
                    cb.or(statuses.stream().map(status -> cb.equal(root.get(CommandEntity_.status), status))
                            .toArray(Predicate[]::new)));
        }
        if (tags != null && !tags.isEmpty()) {
            final Join<CommandEntity, TagEntity> tagEntityJoin = root.join(CommandEntity_.tags);
            predicates.add(tagEntityJoin.in(tags));
            cq.groupBy(root.get(CommandEntity_.id));
            cq.having(cb.equal(cb.count(root.get(CommandEntity_.id)), tags.size()));
        }
        return cb.and(predicates.toArray(new Predicate[predicates.size()]));
    };
}

---

From source file:com.netflix.genie.core.jpa.specifications.JpaApplicationSpecs.java

/**
 * Get a specification using the specified parameters.
 *
 * @param name     The name of the application
 * @param user     The name of the user who created the application
 * @param statuses The status of the application
 * @param tags     The set of tags to search the command for
 * @param type     The type of applications to fine
 * @return A specification object used for querying
 *///  w  ww. j a va2 s  .  c  om
public static Specification<ApplicationEntity> find(final String name, final String user,
        final Set<ApplicationStatus> statuses, final Set<String> tags, final String type) {
    return (final Root<ApplicationEntity> root, final CriteriaQuery<?> cq, final CriteriaBuilder cb) -> {
        final List<Predicate> predicates = new ArrayList<>();
        if (StringUtils.isNotBlank(name)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.name), name));
        }
        if (StringUtils.isNotBlank(user)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.user), user));
        }
        if (statuses != null && !statuses.isEmpty()) {
            final List<Predicate> orPredicates = statuses.stream()
                    .map(status -> cb.equal(root.get(ApplicationEntity_.status), status))
                    .collect(Collectors.toList());
            predicates.add(cb.or(orPredicates.toArray(new Predicate[orPredicates.size()])));
        }
        if (tags != null && !tags.isEmpty()) {
            predicates.add(
                    cb.like(root.get(ApplicationEntity_.tags), JpaSpecificationUtils.getTagLikeString(tags)));
        }
        if (StringUtils.isNotBlank(type)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(ApplicationEntity_.type), type));
        }
        return cb.and(predicates.toArray(new Predicate[predicates.size()]));
    };
}

---

From source file:com.netflix.genie.core.jpa.specifications.JpaCommandSpecs.java

/**
 * Get a specification using the specified parameters.
 *
 * @param name     The name of the command
 * @param user     The name of the user who created the command
 * @param statuses The status of the command
 * @param tags     The set of tags to search the command for
 * @return A specification object used for querying
 *//*from  ww w.j a v a  2 s  .  c o  m*/
public static Specification<CommandEntity> find(final String name, final String user,
        final Set<CommandStatus> statuses, final Set<String> tags) {
    return (final Root<CommandEntity> root, final CriteriaQuery<?> cq, final CriteriaBuilder cb) -> {
        final List<Predicate> predicates = new ArrayList<>();
        if (StringUtils.isNotBlank(name)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(CommandEntity_.name), name));
        }
        if (StringUtils.isNotBlank(user)) {
            predicates.add(JpaSpecificationUtils.getStringLikeOrEqualPredicate(cb,
                    root.get(CommandEntity_.user), user));
        }
        if (statuses != null && !statuses.isEmpty()) {
            final List<Predicate> orPredicates = statuses.stream()
                    .map(status -> cb.equal(root.get(CommandEntity_.status), status))
                    .collect(Collectors.toList());
            predicates.add(cb.or(orPredicates.toArray(new Predicate[orPredicates.size()])));
        }
        if (tags != null && !tags.isEmpty()) {
            predicates
                    .add(cb.like(root.get(CommandEntity_.tags), JpaSpecificationUtils.getTagLikeString(tags)));
        }
        return cb.and(predicates.toArray(new Predicate[predicates.size()]));
    };
}

---

From source file:com.ocs.dynamo.dao.query.JpaQueryBuilder.java

/**
 * Creates a query used to retrieve a single entity based on a unique property value
 * /*from   ww w . ja  va 2 s.com*/
 * @param entityManager
 * @param entityClass
 * @param propertyName
 * @param value
 * @return
 */
public static <T> CriteriaQuery<T> createUniquePropertyQuery(EntityManager entityManager, Class<T> entityClass,
        String propertyName, Object value, boolean caseSensitive) {
    CriteriaBuilder builder = entityManager.getCriteriaBuilder();
    CriteriaQuery<T> cq = builder.createQuery(entityClass);
    Root<T> root = cq.from(entityClass);

    Predicate equals = null;
    if (value instanceof String && !caseSensitive) {
        equals = builder.equal(builder.upper(root.get(propertyName).as(String.class)),
                ((String) value).toUpperCase());
    } else {
        equals = builder.equal(root.get(propertyName), value);
    }
    cq.where(equals);

    return cq;
}

---

From source file:com.ocs.dynamo.dao.query.JpaQueryBuilder.java

/**
 * Creates a query to fetch an object based on a value of a unique property
 * /*  w w  w  .  j a  v  a2 s. c  o m*/
 * @param entityManager
 *            the entity manager
 * @param entityClass
 *            the entity class
 * @param fetchJoins
 *            the fetch joins to include
 * @param propertyName
 *            name of the property to search on
 * @param value
 *            value of the property to search on
 * @return
 */
public static <T> CriteriaQuery<T> createUniquePropertyFetchQuery(EntityManager entityManager,
        Class<T> entityClass, FetchJoinInformation[] fetchJoins, String propertyName, Object value,
        boolean caseSensitive) {
    CriteriaBuilder builder = entityManager.getCriteriaBuilder();
    CriteriaQuery<T> cq = builder.createQuery(entityClass);
    Root<T> root = cq.from(entityClass);

    addFetchJoinInformation(root, fetchJoins);

    Predicate equals = null;
    if (value instanceof String && !caseSensitive) {
        equals = builder.equal(builder.upper(root.get(propertyName).as(String.class)),
                ((String) value).toUpperCase());
    } else {
        equals = builder.equal(root.get(propertyName), value);
    }
    cq.where(equals);
    cq.distinct(true);

    return cq;
}

---

From source file:com.atschx.summer.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  w  w  .j a va  2  s  . com*/
        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;
                    }
                }

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

            return builder.conjunction();
        }
    };
}

---

From source file:com.the3.base.repository.DynamicSpecifications.java

public static <T> Specification<T> bySearchFilter(final Collection<SearchFilter> filters,
        final Class<T> entityClazz) {
    return new Specification<T>() {
        @Override/*  w  ww  .  j a v  a 2 s  .  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;
                    }
                }

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

            return builder.conjunction();
        }
    };
}

---

From source file:org.echoice.modules.persistence.DynamicSpecifications.java

public static <T> Specification<T> bySearchFilter(final Collection<SearchFilter> filters,
        final Class<T> entityClazz) {
    return new Specification<T>() {
        @Override/*  w  ww.java  2  s .c o  m*/
        public Predicate toPredicate(Root<T> root, CriteriaQuery<?> query, CriteriaBuilder builder) {
            if (filters != null && filters.size() > 0) {

                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;
                    }
                }

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

            return builder.conjunction();
        }
    };
}

---

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