Example usage for java.util HashSet add

Introduction

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

Prototype

public boolean add(E e) 

Source Link

Document

Adds the specified element to this set if it is not already present.

Usage

From source file:com.facebook.TestUtils.java

private static boolean areEqual(final JSONObject expected, final JSONObject actual) {
    // JSONObject.equals does not do an order-independent comparison, so let's roll our own  :(
    if (expected == actual) {
        return true;
    }/* ww  w.j av a 2 s .  co  m*/
    if ((expected == null) || (actual == null)) {
        return false;
    }

    final Iterator<String> expectedKeysIterator = expected.keys();
    final HashSet<String> expectedKeys = new HashSet<String>();
    while (expectedKeysIterator.hasNext()) {
        expectedKeys.add(expectedKeysIterator.next());
    }

    final Iterator<String> actualKeysIterator = actual.keys();
    while (actualKeysIterator.hasNext()) {
        final String key = actualKeysIterator.next();
        if (!areEqual(expected.opt(key), actual.opt(key))) {
            return false;
        }
        expectedKeys.remove(key);
    }
    return expectedKeys.size() == 0;
}

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From source file:Main.java

/**
 * Returns a HashSet of values in a HashMap that match the specified Predicate.
 * @param map the HashMap to check against
 * @param condition the Predicate to check
 * @param <K> the type of the Key in the HashMap
 * @param <V> the type of the Value in the HashMap
 * @return a HashSet of values matching the predicate, empty HashSet if no results found
 * @throws IllegalArgumentException if HashMap or Predicate is null
 */// www.  ja  v a  2  s .  c  o m
public static <K, V> HashSet<V> getValuesInHashMap(final HashMap<K, V> map, final Predicate<V> condition) {
    final HashSet<V> matchingValues = new HashSet<>();

    if (map == null)
        throw new IllegalArgumentException("HashMap cannot be null!");
    if (condition == null)
        throw new IllegalArgumentException("Predicate cannot be null!");

    map.forEach((key, value) -> {
        if (condition.test(value))
            matchingValues.add(value);
    });

    return matchingValues;
}

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From source file:edu.uci.ics.hyracks.algebricks.rewriter.rules.PushProjectDownRule.java

private static boolean pushNeededProjections(HashSet<LogicalVariable> toPush, Mutable<ILogicalOperator> opRef,
        IOptimizationContext context, ILogicalOperator initialOp) throws AlgebricksException {
    HashSet<LogicalVariable> allP = new HashSet<LogicalVariable>();
    AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
    VariableUtilities.getLiveVariables(op, allP);

    HashSet<LogicalVariable> toProject = new HashSet<LogicalVariable>();
    for (LogicalVariable v : toPush) {
        if (allP.contains(v)) {
            toProject.add(v);
        }/*from   w ww .  j av  a  2  s.c  o  m*/
    }
    if (toProject.equals(allP)) {
        // projection would be redundant, since we would project everything
        // but we can try with the children
        boolean push = false;
        if (pushThroughOp(toProject, opRef, initialOp, context).first) {
            push = true;
        }
        return push;
    } else {
        return pushAllProjectionsOnTopOf(toProject, opRef, context, initialOp);
    }
}

---

From source file:edu.isistan.carcha.util.Utils.java

/**
 * Extract the T annotation as a String list and remove duplicates.
 *
 * @param <T> the generic type/*  w  w w  .  j ava2 s  . c  o  m*/
 * @param filename the filename
 * @param tsd the TypeSystems
 * @param type the type
 * @return the string list of coveredtext by the T annotations without duplicates
 * @throws UIMAException the uIMA exception
 * @throws IOException Signals that an I/O exception has occurred.
 */
public static <T extends Annotation> List<String> extractCoveredTextAnnotations(String filename,
        final Class<T> type) throws UIMAException, IOException {
    JCas jCas = JCasFactory.createJCas(filename, CARCHA_TYPE_SYSTEM);
    List<String> ret = new ArrayList<String>();
    HashSet<String> hs = new HashSet<String>();

    for (Annotation c : JCasUtil.select(jCas, type)) {
        hs.add(c.getCoveredText());
    }
    ret.addAll(hs);
    return ret;
}

---

From source file:gemlite.core.api.logic.LogicServices.java

/***
 * //from   w  w w .j ava  2s .c  om
 * @param regionName
 * @param beanName
 * @param userArgs
 * @param simpleFilter
 * @return
 */
public final static RemoteResult createRequestWithFilter(String regionName, String beanName, Object userArgs,
        Object simpleFilter) {
    HashSet<Object> set = null;
    if (simpleFilter != null) {
        set = new HashSet<>();
        set.add(simpleFilter);
    }
    return createRequestWithFilter(regionName, beanName, userArgs, set);
}

---

From source file:gov.nih.nci.caintegrator.application.lists.ajax.CommonListFunctions.java

public static String createGenericListWithSession(ListType type, ListSubType listSubType, List<String> list,
        String name, ListValidator lv, HttpSession session) {
    //no duplicates
    HashSet<String> h = new HashSet<String>();
    for (int i = 0; i < list.size(); i++)
        h.add(list.get(i).trim());
    List<String> cleanList = new ArrayList<String>();
    for (String n : h) {
        cleanList.add(n);// w  ww. ja v  a 2s  .c  om
    }
    String success = "fail";
    ListManager um = ListManager.getInstance();
    try {
        UserList mylist = um.createList(type, name, cleanList, lv);
        if (listSubType != null) {
            mylist.setListSubType(listSubType);
            mylist.setListOrigin(ListOrigin.Custom);
        } else {
            mylist.setListOrigin(ListOrigin.Custom);
        }
        UserListBeanHelper ulbh = new UserListBeanHelper(session);
        ulbh.addList(mylist);
        success = "pass";
    } catch (Exception e) {
    }
    return success;
}

---

From source file:gov.nih.nci.caintegrator.application.lists.ajax.CommonListFunctions.java

public static String createGenericList(ListType type, List<String> list, String name, ListValidator lv) {
    //no duplicates
    HashSet<String> h = new HashSet<String>();
    for (int i = 0; i < list.size(); i++)
        h.add(list.get(i).trim());
    List<String> cleanList = new ArrayList<String>();
    for (String n : h) {
        cleanList.add(n);//w  w w. j  a va2 s.  c om
    }

    String success = "fail";
    ListManager um = ListManager.getInstance();

    try {
        UserList mylist = um.createList(type, name, cleanList, lv);
        //set the sub-type to custom 
        mylist.setListOrigin(ListOrigin.Custom);
        //only works thru DWR
        UserListBeanHelper ulbh = new UserListBeanHelper();
        if (ulbh != null) {
            ulbh.addList(mylist);
            success = "pass";
        }
    } catch (Exception e) {
        // TODO: handle exception
    }
    return success;
}

---

From source file:gov.nih.nci.caintegrator.application.lists.ajax.CommonListFunctions.java

public static String createGenericList(ListType type, ListSubType listSubType, List<String> list, String name,
        ListValidator lv) {/*from   ww w  .j av a  2s.  c om*/
    //no duplicates
    HashSet<String> h = new HashSet<String>();
    for (int i = 0; i < list.size(); i++)
        h.add(list.get(i).trim());
    List<String> cleanList = new ArrayList<String>();
    for (String n : h) {
        cleanList.add(n);
    }
    String success = "fail";
    ListManager um = ListManager.getInstance();
    try {
        UserList mylist = um.createList(type, name, cleanList, lv);
        if (listSubType != null) {
            mylist.setListSubType(listSubType);
            mylist.setListOrigin(ListOrigin.Custom);
        } else {
            mylist.setListOrigin(ListOrigin.Custom);
        }
        //only works thru DWR
        UserListBeanHelper ulbh = new UserListBeanHelper();
        if (ulbh != null) {
            ulbh.addList(mylist);
            success = "pass";
        }
    } catch (Exception e) {
    }
    return success;
}

---

From source file:com.netcrest.pado.tools.pado.util.PadoShellUtil.java

/**
 * Returns an array of full paths determined by parsing all paths arguments
 * found in the specified commandLine. Duplicates are ignored.
 * /*from w ww .  j a  v a2 s.c o  m*/
 * @param padoShell
 *            PadoShell instance
 * @param commandLine
 *            Command line with path arguments.
 * @return null if paths are not found in the specified commandLine.
 */
@SuppressWarnings("unchecked")
public final static String[] getFullPaths(PadoShell padoShell, CommandLine commandLine) {
    List<String> argList = (List<String>) commandLine.getArgList();
    if (argList.size() <= 1) {
        return null;
    }
    HashSet<String> set = new HashSet<String>(argList.size());
    for (int i = 1; i < argList.size(); i++) {
        String path = argList.get(i);
        set.add(padoShell.getFullPath(path));
    }
    String fullPaths[] = set.toArray(new String[set.size()]);
    return fullPaths;
}

---

From source file:fastcall.FArrayUtils.java

/**
 * Return sorted unique array of string/*  w ww . j  a  va2 s.  c  o  m*/
 * @param input
 * @return 
 */
public static String[] getUniqueStringArray(String[] input) {
    HashSet<String> t = new HashSet();
    for (int i = 0; i < input.length; i++) {
        t.add(input[i]);
    }
    String[] result = t.toArray(new String[t.size()]);
    Arrays.sort(result);
    return result;
}

---

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