Example usage for java.util Collections singletonList

Introduction

In this page you can find the example usage for java.util Collections singletonList.

Prototype

public static <T> List<T> singletonList(T o)

Source Link

Document

Returns an immutable list containing only the specified object.

Usage

From source file:com.cloudera.oryx.ml.param.ContinuousAround.java

@Override
public List<Double> getTrialValues(int num) {
    Preconditions.checkArgument(num > 0);
    if (num == 1) {
        return Collections.singletonList(around);
    }/*from  w  ww.ja v  a  2s  .c  om*/
    List<Double> values = new ArrayList<>(num);
    double value = around - ((num - 1.0) / 2.0) * step;
    for (int i = 0; i < num; i++) {
        values.add(value);
        value += step;
    }
    // Make sure middle value is exact
    if (num % 2 != 0) {
        values.set(num / 2, around);
    }
    return values;
}

From source file:com.cloudera.cdk.morphline.stdlib.DecodeBase64Builder.java

@Override
public Collection<String> getNames() {
    return Collections.singletonList("decodeBase64");
}

From source file:com.soprasteria.initiatives.auth.config.SwaggerConfig.java

@Bean
public Docket swaggerDocket() {
    return new Docket(DocumentationType.SWAGGER_2).apiInfo(getApiInfo())
            .globalOperationParameters(Collections.singletonList(
                    new ParameterBuilder().name("Authorization").description("Provide if necessary")
                            .modelRef(new ModelRef("string")).parameterType("header").build()))
            .forCodeGeneration(true).select().paths(regex(DEFAULT_INCLUDE_PATTERN)).build();
}

From source file:com.todo.backend.security.JWTUtils.java

public static Authentication getAuthentication(String token, String secretKey) {

    final Claims claims = Jwts.parser().setSigningKey(secretKey).parseClaimsJws(token).getBody();
    final Long userId = Long.valueOf(claims.getSubject());
    final String userRole = claims.get(AUTHORITIES_KEY).toString();

    return new PreAuthenticatedAuthenticationToken(userId, null,
            Collections.singletonList(new SimpleGrantedAuthority(userRole)));
}

From source file:com.cloudera.oryx.ml.param.ContinuousRange.java

@Override
public List<Double> getTrialValues(int num) {
    Preconditions.checkArgument(num > 0);
    if (max == min) {
        return Collections.singletonList(min);
    }/*from   w  ww . j  ava 2s  . c  o  m*/
    if (num == 1) {
        return Collections.singletonList((max + min) / 2.0);
    }
    if (num == 2) {
        return Arrays.asList(min, max);
    }
    List<Double> values = new ArrayList<>(num);
    double diff = (max - min) / (num - 1.0);
    values.add(min);
    for (int i = 1; i < num - 1; i++) {
        values.add(values.get(i - 1) + diff);
    }
    values.add(max);
    return values;
}

From source file:com.cloudera.oryx.ml.param.DiscreteRange.java

@Override
public List<Integer> getTrialValues(int num) {
    Preconditions.checkArgument(num > 0);
    if (max == min) {
        return Collections.singletonList(min);
    }//  www  . j ava  2 s.  co m
    if (num == 1) {
        return Collections.singletonList((max + min) / 2);
    }
    if (num == 2) {
        return Arrays.asList(min, max);
    }
    List<Integer> values;
    if (num > (max - min)) {
        values = new ArrayList<>(max - min + 1);
        for (int i = min; i <= max; i++) {
            values.add(i);
        }
    } else {
        values = new ArrayList<>(num);
        double diff = (max - min) / (num - 1.0);
        values.add(min);
        for (int i = 1; i < num - 1; i++) {
            values.add((int) Math.round(values.get(i - 1) + diff));
        }
        values.add(max);
    }
    return values;
}

From source file:com.sequenceiq.ambari.shell.support.TableRendererTest.java

@Test
public void testRenderMultiValueMap() throws IOException {
    Map<String, List<String>> map = new HashMap<String, List<String>>();
    map.put("HDFS", Collections.singletonList("DATANODE"));
    map.put("MAPREDUCE2", Collections.singletonList("HISTORYSERVER"));
    map.put("ZOOKEEPER", Collections.singletonList("ZOOKEEPER_SERVER"));
    assertEquals(IOUtils.toString(new FileInputStream(new File("src/test/resources/2columns"))),
            TableRenderer.renderMultiValueMap(map, "SERVICE", "COMPONENT"));
}

From source file:com.thoughtworks.go.domain.AccessTokenTest.java

@Test
void shouldValidate() {
    AccessToken.AccessTokenWithDisplayValue token = AccessToken.create(null, null, null, new TestingClock());
    token.validate(null);/* w w  w . ja  v  a 2 s .c  om*/

    assertThat(token.errors()).hasSize(3)
            .containsEntry("authConfigId", Collections.singletonList("must not be blank"))
            .containsEntry("description", Collections.singletonList("must not be blank"))
            .containsEntry("username", Collections.singletonList("must not be blank"));
}

From source file:org.smigo.user.AuthenticatedUser.java

public AuthenticatedUser(int id, String username, String password, String authority) {
    super(username, password, Collections.singletonList(new SimpleGrantedAuthority(authority)));
    this.id = id;
}

From source file:net.community.chest.gitcloud.facade.backend.FacadeEnvironmentInitializer.java

@Override
protected void extractConfigFiles(File confDir) {
    // TODO use some automatic detection mechanism for "META-INF/conf"
    extractConfigFiles(confDir, Collections.singletonList(Pair.<String, Collection<String>>of(
            "META-INF/" + ConfigUtils.CONF_DIR_NAME,
            Collections.unmodifiableList(Arrays.asList(PROPS_FILE_NAME, "gitcloud-backend-log4j.xml")))));
}