Example usage for com.google.common.collect Iterables isEmpty

Introduction

In this page you can find the example usage for com.google.common.collect Iterables isEmpty.

Prototype

public static boolean isEmpty(Iterable<?> iterable)

Source Link

Document

Determines if the given iterable contains no elements.

Usage

From source file:com.spectralogic.ds3cli.views.cli.GetBucketView.java

@Override
public String render(final GetBucketResult br) {
    // Bucket details
    final String bucketDesc = new com.spectralogic.ds3cli.views.cli.GetBucketDetailsView().render(br);

    if (null == br.getResult() || Iterables.isEmpty(br.getResult())) {
        return "No objects were reported in bucket.";
    }/*from w  ww  . j  a  v  a 2s .c o  m*/
    this.contents = br.getResult();
    initTable(ImmutableList.of("File Name", "Size", "Owner", "Last Modified", "ETag"));
    setTableDataAlignment(ImmutableList.of(ASCIITable.ALIGN_LEFT, ASCIITable.ALIGN_RIGHT,
            ASCIITable.ALIGN_RIGHT, ASCIITable.ALIGN_LEFT, ASCIITable.ALIGN_RIGHT));

    final String bucketContents = ASCIITable.getInstance().getTable(getHeaders(), formatTableContents());

    return String.format("%s\n%s", bucketDesc, bucketContents);
}

From source file:com.spectralogic.ds3cli.views.cli.GetObjectsOnTapeView.java

@Override
public String render(final GetObjectsOnTapeResult blobsResult) {
    final Iterable<BulkObject> bulkObjects = blobsResult.getResult();
    if (null == bulkObjects || Iterables.isEmpty(bulkObjects)) {
        return "No objects were reported in tape '" + blobsResult.getTapeId() + "'";
    }/*  w w  w  . j  a  va  2 s  .  c  om*/
    this.objectIterable = bulkObjects;

    initTable(ImmutableList.of("Name", "Bucket", "Size", "Id"));
    setTableDataAlignment(ImmutableList.of(ASCIITable.ALIGN_LEFT, ASCIITable.ALIGN_LEFT, ASCIITable.ALIGN_RIGHT,
            ASCIITable.ALIGN_RIGHT));
    return ASCIITable.getInstance().getTable(getHeaders(), formatTableContents());
}

From source file:com.google.cloud.dataflow.sdk.util.ListOutputBuffer.java

@Override
public Iterable<T> extract(Context<K, W> c) throws IOException {
    Iterable<T> result = c.readBuffers(bufferTag, c.sourceWindows());
    return Iterables.isEmpty(result) ? null : result;
}

From source file:com.spectralogic.ds3cli.views.cli.GetPoolsView.java

@Override
public String render(final GetPoolsResult poolsResult) {
    if (null == poolsResult.getResult().getPools() || Iterables.isEmpty(poolsResult.getResult().getPools())) {
        return "No Pools returned.";
    }//  w  w w .  j a v  a 2s .c o m

    this.poolIterator = poolsResult.getResult().getPools();

    initTable(ImmutableList.of("Pool", "ID", "Type", "Capacity", "Bucket Id", "Partition Id",
            "Assigned to Storage Domain", "Last Modified", "Last Verification"));
    return ASCIITable.getInstance().getTable(getHeaders(), formatTableContents());
}

From source file:see.util.Reduce.java

/**
 * Fold a sequence without an initial value.
 *
 * @param values sequence to fold/* www  . jav a2  s .c  o  m*/
 * @param func reducing function
 * @param <T> input and result type
 * @return reduce result
 */
public static <T> T reduce(Iterable<? extends T> values, FoldFunction<? super T, T> func) {
    Preconditions.checkArgument(!Iterables.isEmpty(values), "Cannot reduce empty list");

    return fold(Iterables.getFirst(values, null), Iterables.skip(values, 1), func);
}

From source file:eu.trentorise.opendata.semtext.SemTexts.java

/**
 * Determines the best meaning among the given ones according to their
 * probabilities. If no best meaning is found null is returned.
 *
 * @param meanings a sorted list of meanings, with the first ones being the
 * most important.//  w  w  w  .j ava2  s.  c o m
 * @return the disambiguated meaning or null if no meaning can be clearly
 * identified.
 */
@Nullable
public static Meaning disambiguate(Iterable<Meaning> meanings) {

    if (Iterables.isEmpty(meanings)) {
        return null;
    }

    int size = Iterables.size(meanings);

    if (size == 1) {
        Meaning m = meanings.iterator().next();
        if (m.getId() == null) {
            return null;
        } else {
            return m;
        }
    }

    Meaning first = Iterables.getFirst(meanings, null);

    if (first.getProbability() > DISAMBIGUATION_FACTOR / size && first.getId() != null) {
        return first;
    } else {
        return null;
    }

}

From source file:com.google.api.server.spi.config.model.ApiAuthConfig.java

@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    } else if (o instanceof ApiAuthConfig) {
        ApiAuthConfig config = (ApiAuthConfig) o;
        return Iterables.isEmpty(getConfigurationInconsistencies(config));
    } else {/*from  ww  w  .ja va  2s  .  com*/
        return false;
    }
}

From source file:org.sonar.java.checks.xml.web.SecurityConstraintsInWebXmlCheck.java

private boolean hasNoSecurityConstraint(XmlCheckContext context) {
    return Iterables.isEmpty(context.evaluateOnDocument(securityConstraintExpression));
}

From source file:com.spectralogic.ds3cli.views.cli.SuspectedObjectsView.java

@Override
public String render(final SuspectedObjectResult obj) {
    final ImmutableList<BulkObject> bulkObjects = obj.getResult();
    if (bulkObjects == null || Iterables.isEmpty(bulkObjects)) {
        return "No suspected blobs returned";
    }//from  w  w  w.ja v  a 2s.c o m

    suspectBlobTapes = bulkObjects;
    initTable(ImmutableList.of("Name", "Bucket", "In Cache", "Offset", "Length"));

    return ASCIITable.getInstance().getTable(getHeaders(), formatTableContents());
}

From source file:com.reprezen.swagedit.editor.outline.OutlineContentProvider.java

@Override
public Object[] getElements(Object inputElement) {
    if (models == null || Iterables.isEmpty(models)) {
        return null;
    }/*from  ww  w . j  a v a  2  s .  c om*/

    List<Object> roots = Lists.newArrayList();
    for (Model model : models) {
        roots.add(model.getRoot());
    }

    return roots.toArray(new Object[roots.size()]);
}