Example usage for java.util Set stream

Introduction

In this page you can find the example usage for java.util Set stream.

Prototype

default Stream<E> stream()

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:se.uu.it.cs.recsys.service.resource.DomainReasoningResource.java

@GET
@Path("/related")
@Produces(MediaType.APPLICATION_JSON)// ww w. j  a v  a  2  s . co  m
@ApiOperation(value = "related", response = ComputingDomain.class, responseContainer = "Set")
public Response getRelatedComputingDomains(@QueryParam("domainIds") Set<String> domainIds) {

    Set<ComputingDomain> output = new HashSet<>();

    Set<String> relatedIds = this.domainReasoner.getRelatedCourseIdsForCollection(domainIds);

    relatedIds.stream().forEach(domainId -> {
        se.uu.it.cs.recsys.persistence.entity.ComputingDomain entity = this.computingDomainRepository
                .findById(domainId);

        output.add(new ComputingDomain(entity.getId(), entity.getName()));
    });

    return Response.ok(output, MediaType.APPLICATION_JSON).build();

}

From source file:org.jimsey.projects.turbine.condenser.service.TurbineService.java

public List<EnableTurbineStrategy> getStrategies() {
    Reflections reflections = new Reflections(EnableTurbineStrategy.class.getPackage().getName());
    Set<Class<?>> classes = reflections.getTypesAnnotatedWith(EnableTurbineStrategy.class);
    return classes.stream().map(c -> c.getDeclaredAnnotation(EnableTurbineStrategy.class))
            .collect(Collectors.toList());
}

From source file:org.openmhealth.dsu.controller.EndUserController.java

protected List<String> asErrorMessageList(
        Set<ConstraintViolation<EndUserRegistrationData>> constraintViolations) {

    return constraintViolations.stream().map(ConstraintViolation::getMessage).collect(Collectors.toList());
}

From source file:org.jimsey.projects.turbine.condenser.service.TurbineService.java

public List<EnableTurbineIndicator> getIndicators() {
    Reflections reflections = new Reflections(EnableTurbineIndicator.class.getPackage().getName());
    Set<Class<?>> classes = reflections.getTypesAnnotatedWith(EnableTurbineIndicator.class);
    return classes.stream().map(c -> c.getDeclaredAnnotation(EnableTurbineIndicator.class))
            .collect(Collectors.toList());
}

From source file:se.uu.it.cs.recsys.service.resource.DomainReasoningResource.java

@GET
@Path("/narrower")
@Produces(MediaType.APPLICATION_JSON)/*from   w  w w. j a v  a 2s. c  o  m*/
@ApiOperation(value = "narrower", response = ComputingDomain.class, responseContainer = "Set")
public Response getNarrowerComputingDomains(@QueryParam("domainIds") Set<String> domainIds) {

    Set<ComputingDomain> output = new HashSet<>();

    Set<String> narrowerIds = this.domainReasoner.getNarrowerCourseIdsForCollection(domainIds);

    narrowerIds.stream().forEach(domainId -> {
        se.uu.it.cs.recsys.persistence.entity.ComputingDomain entity = this.computingDomainRepository
                .findById(domainId);

        output.add(new ComputingDomain(entity.getId(), entity.getName()));
    });

    return Response.ok(output, MediaType.APPLICATION_JSON).build();

}

From source file:natalia.dymnikova.cluster.scheduler.impl.requirements.ComputeMemberRequirementsBuilder.java

private Set<String> roles(final Set<ScannedGenericBeanDefinition> candidates) {
    return candidates.stream()
            .map(def -> ofNullable(def.getMetadata().getAllAnnotationAttributes(Profile.class.getName()))
                    .map(map -> ((List<String[]>) (Object) map.get("value")).stream().flatMap(Arrays::stream)
                            .collect(toList())))
            .filter(Optional::isPresent).map(Optional::get).flatMap(Collection::stream).collect(toSet());
}

From source file:com.yqboots.security.web.form.GroupFormConverter.java

/**
 * Gets the id of users.//from  w ww .java 2  s .c  o m
 *
 * @param users users
 * @return id of users
 */
private Long[] getUsers(Set<User> users) {
    List<Long> results = new ArrayList<>();
    if (CollectionUtils.isNotEmpty(users)) {
        results.addAll(users.stream().map(User::getId).collect(Collectors.toList()));
    }

    return results.toArray(new Long[results.size()]);
}

From source file:com.yqboots.security.web.form.GroupFormConverter.java

/**
 * Gets the id of roles./*  w w  w  .  j a  v a 2 s  .  c  om*/
 *
 * @param roles roles
 * @return id of roles
 */
private Long[] getRoles(Set<Role> roles) {
    List<Long> results = new ArrayList<>();
    if (CollectionUtils.isNotEmpty(roles)) {
        results.addAll(roles.stream().map(Role::getId).collect(Collectors.toList()));
    }

    return results.toArray(new Long[results.size()]);
}

From source file:org.ow2.proactive.connector.iaas.service.InstanceService.java

public Instance getInstanceById(String infrastructureId, String instanceId) {
    Set<Instance> instances = getAllInstances(infrastructureId);
    return instances.stream().filter(instance -> instance.getId().equals(instanceId)).findFirst()
            .orElseThrow(() -> new RuntimeException("Instance not found"));
}

From source file:com.nebhale.buildmonitor.web.ControllerUtils.java

@ExceptionHandler(ConstraintViolationException.class)
ResponseEntity<Set<String>> handleConstraintViolation(ConstraintViolationException e) {
    Set<ConstraintViolation<?>> constraintViolations = e.getConstraintViolations();

    Set<String> messages = new HashSet<>(constraintViolations.size());
    messages.addAll(constraintViolations.stream()
            .map(constraintViolation -> String.format("%s value '%s' %s", constraintViolation.getPropertyPath(),
                    constraintViolation.getInvalidValue(), constraintViolation.getMessage()))
            .collect(Collectors.toList()));

    return new ResponseEntity<>(messages, HttpStatus.BAD_REQUEST);
}