Example usage for java.util Collection add

Introduction

In this page you can find the example usage for java.util Collection add.

Prototype

boolean add(E e);

Source Link

Document

Ensures that this collection contains the specified element (optional operation).

Usage

From source file:com.shenit.commons.utils.CollectionUtils.java

/**
 * Found out the item that col1 contains but col2 not contains.
 * @param col1 Collection 1/*from w  w w  .ja v a  2s  .  c  o  m*/
 * @param col2 Collection 2
 * @return The items only in col1 but not col2
 */
@SuppressWarnings("unchecked")
public static <T> Collection<T> diff(Collection<T> col1, Collection<T> col2) {
    if (ValidationUtils.isEmpty(col1))
        return col2;
    else if (ValidationUtils.isEmpty(col2))
        return col1;
    try {
        Collection<T> diff = col1.getClass().newInstance();
        col1.stream().forEach((item1) -> {
            if (col2.parallelStream().noneMatch((item2) -> ValidationUtils.eq(item1, item2))) {
                diff.add(item1);
            }
        });
        return diff;
    } catch (InstantiationException | IllegalAccessException e) {
        LOG.warn("[diff] Could not create instance for {} with empty parameter constructor", col1.getClass());
    }
    return null;
}

From source file:CollectionsX.java

/** Adds all elements returned by the enumerator to a collection.
 * @param enm the enumeration; null is OK
 * @return the number element being added
 *///from   w  ww  .  java  2 s.c  o m
public static final int addAll(Collection col, Enumeration enm) {
    int cnt = 0;
    if (enm != null)
        for (; enm.hasMoreElements(); ++cnt)
            col.add(enm.nextElement());
    return cnt;
}

From source file:ObjectInspector.java

/**
 * Recurses up the inheritance chain and collects all the fields
 * /*w  ww  . j  a  va  2  s.  c  om*/
 * @param fields
 *           The collection of fields found so far
 * @param c
 *           The class to get fields from
 */
private static void getFields(Collection<Field> fields, Class c) {
    for (Field f : c.getDeclaredFields()) {
        fields.add(f);
    }

    if (c.getSuperclass() != null) {
        getFields(fields, c.getSuperclass());
    }
}

From source file:com.oltpbenchmark.util.CollectionUtil.java

/**
 * Add all the items in the array to a Collection
 * @param <T>/*from   w ww  .  j  a  va  2  s .  c o  m*/
 * @param data
 * @param items
 */
public static <T> Collection<T> addAll(Collection<T> data, T... items) {
    for (T i : (T[]) items) {
        data.add(i);
    }
    return (data);
}

From source file:gov.va.chir.tagline.dao.FileDao.java

public static Collection<Document> loadScoringLines(final File file, boolean hasHeader) throws IOException {
    final Map<String, Map<Integer, Line>> docMap = new HashMap<String, Map<Integer, Line>>();

    // Assumes tab-delimited columns. May not be sorted.
    // Column labels may be on first line
    // Col 0 = NoteID
    // Col 1 = LineID
    // Col 2 = Text
    final int POS_DOC_ID = 0;
    final int POS_LINE_ID = 1;
    final int POS_TEXT = 2;

    final List<String> contents = FileUtils.readLines(file);

    for (int i = (hasHeader ? 1 : 0); i < contents.size(); i++) {
        final String l = contents.get(i);
        final String[] array = l.split("\t");

        if (!docMap.containsKey(array[POS_DOC_ID])) {
            docMap.put(array[POS_DOC_ID], new TreeMap<Integer, Line>());
        }//from  ww  w  .j  av a2  s  .  c o  m

        int lineId = NumberUtils.toInt(array[POS_LINE_ID]);
        final Line line = new Line(lineId, array[POS_TEXT]);

        docMap.get(array[POS_DOC_ID]).put(lineId, line);
    }

    final Collection<Document> docs = new ArrayList<Document>();

    for (String docId : docMap.keySet()) {
        docs.add(new Document(docId, new ArrayList<Line>(docMap.get(docId).values())));
    }

    return docs;
}

From source file:Main.java

public static Collection<String> getXmlFilenames(String path) throws NullPointerException {
    Collection<String> results = new ArrayList<>();
    File folder = new File(path);

    // We will grab all XML files from the target directory.
    File[] listOfFiles = folder.listFiles();
    if (listOfFiles != null) {
        String file;//  www.  j a  va  2 s .  c  o  m
        for (int i = 0; i < listOfFiles.length; i++) {
            if (listOfFiles[i].isFile()) {
                file = listOfFiles[i].getAbsolutePath();
                if (file.endsWith(".xml") || file.endsWith(".xml")) {
                    results.add(file);
                }
            }
        }
    }
    return results;
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.agent.KubernetesCacheDataConverter.java

static void addSingleRelationship(Map<String, Collection<String>> relationships, String account,
        String namespace, String fullName) {
    Pair<KubernetesKind, String> triple = KubernetesManifest.fromFullResourceName(fullName);
    KubernetesKind kind = triple.getLeft();
    String name = triple.getRight();

    Collection<String> keys = relationships.get(kind.toString());

    if (keys == null) {
        keys = new ArrayList<>();
    }/*from   w ww.j a v a 2s  .c o  m*/

    keys.add(Keys.infrastructure(kind, account, namespace, name));

    relationships.put(kind.toString(), keys);
}

From source file:gov.va.chir.tagline.dao.FileDao.java

public static Collection<Document> loadLabeledLines(final File file, boolean hasHeader) throws IOException {
    final Map<String, Map<Integer, Line>> docMap = new HashMap<String, Map<Integer, Line>>();

    // Assumes tab-delimited columns. May not be sorted.
    // Column labels may be on first line
    // Col 0 = NoteID
    // Col 1 = LineID
    // Col 2 = Class
    // Col 3 = Text
    final int POS_DOC_ID = 0;
    final int POS_LINE_ID = 1;
    final int POS_CLASS = 2;
    final int POS_TEXT = 3;

    final List<String> contents = FileUtils.readLines(file);

    for (int i = (hasHeader ? 1 : 0); i < contents.size(); i++) {
        final String l = contents.get(i);
        final String[] array = l.split("\t");

        if (!docMap.containsKey(array[POS_DOC_ID])) {
            docMap.put(array[POS_DOC_ID], new TreeMap<Integer, Line>());
        }/*from w w w .j av a2  s.  com*/

        int lineId = NumberUtils.toInt(array[POS_LINE_ID]);

        final Line line = new Line(lineId, (array.length == POS_TEXT ? "" : array[POS_TEXT]), // blank lines have no content 
                array[POS_CLASS]);

        docMap.get(array[POS_DOC_ID]).put(lineId, line);
    }

    final Collection<Document> docs = new ArrayList<Document>();

    for (String docId : docMap.keySet()) {
        docs.add(new Document(docId, new ArrayList<Line>(docMap.get(docId).values())));
    }

    return docs;
}

From source file:com.oltpbenchmark.util.CollectionUtil.java

/**
 * Add all of the items from the Iterator into the given collection
 * @param <T>/*from   w  w w  .  j  a va2  s  .c o  m*/
 * @param data
 * @param items
 */
public static <T> Collection<T> addAll(Collection<T> data, Iterator<T> items) {
    while (items.hasNext()) {
        data.add(items.next());
    } // WHILE
    return (data);
}

From source file:Main.java

private static void getFiles(File aRootDir, Boolean aIsGetRelativePath, File aDirPath, boolean aIsContainSubDir,
        FilenameFilter aFilenameFilter, Collection<String> aOutList) {
    if (aOutList == null) {
        aOutList = new ArrayList<String>();
    }/*from   www .  j a v  a2  s  .  c  o  m*/

    File[] files = aDirPath.listFiles(aFilenameFilter);

    for (int i = 0; i < files.length; i++) {
        File f = files[i];
        if (f.isFile()) {
            String strPath = f.getPath();
            if (aRootDir != null && aIsGetRelativePath) {
                strPath = strPath.substring(aRootDir.getPath().length());
            }
            aOutList.add(strPath);
            if (!aIsContainSubDir)
                break;
        } else if (f.isDirectory() && f.getPath().indexOf("/.") == -1)
            getFiles(aRootDir, aIsGetRelativePath, f, aIsContainSubDir, aFilenameFilter, aOutList);
    }
}