Example usage for java.util Map remove

Introduction

In this page you can find the example usage for java.util Map remove.

Prototype

V remove(Object key);

Source Link

Document

Removes the mapping for a key from this map if it is present (optional operation).

Usage

From source file:expansionBlocks.ProcessCommunities.java

public static Pair<Map<Entity, Double>, Map<Entity, Double>> execute(Configuration configuration, Query query)
        throws Exception {
    Map<Set<Long>, Map<Entity, Double>> mapPathCommunities = query.getCommunities();
    HashSet<Map<Entity, Double>> initialCommunities = new HashSet<>(mapPathCommunities.values());

    Set<Map<Entity, Double>> scaledCommunities = new HashSet<>();

    AbstractCommunityScalator as = configuration.getAbstractCommunityScalator();

    for (Map<Entity, Double> community : initialCommunities) {
        Map<Entity, Double> scaledCommunity = as.scaledEmphasisArticlesInCommunity(configuration, query,
                community);//from   w ww  . ja va 2 s .c o  m
        scaledCommunities.add(scaledCommunity);
    }

    Set<Map<Entity, Double>> communitiesFusioned = getCommunitiesFromCommunitiesBasedOnSimilarity(
            scaledCommunities, configuration.getFusionThreshold());
    if (configuration.DEBUG_INFO) {
        println("Fusion communities based on similarity communities: ");
        for (Map<Entity, Double> community : communitiesFusioned) {
            println(community);

        }
    }
    println(initialCommunities.size() + " communities have been fusioned into " + communitiesFusioned.size());

    println("[[WARNING]] - Select best community algorithm seems to differ from select best path. You may want to double ckeck it.");
    Set<Map<Entity, Double>> selectBestCommunities = selectBestCommunities(configuration, communitiesFusioned,
            query.getTokenNames());

    if (configuration.DEBUG_INFO) {
        println("Selected best communities: ");
        for (Map<Entity, Double> community : selectBestCommunities) {
            println(StringUtilsQueryExpansion.MapDoubleValueToString(community));
        }
    }

    Map<Entity, Double> result = agregateCommunities(selectBestCommunities);

    if (configuration.DEBUG_INFO) {
        println("Agragated community(size: " + result.size() + "): ");
        println(StringUtilsQueryExpansion.MapDoubleValueToString(result));
    }

    Set<Entity> entitiesToRemove = new HashSet<>();
    /*for (Map.Entry<Entity, Double> e : result.entrySet())
     {
     Set<Category> categories = e.getKey().getCategories();
     println("Categories of \"" + e.getKey() + "\": " + categories);
     if (categories.isEmpty())
     entitiesToRemove.add(e.getKey());
     }*/

    entitiesToRemove.addAll(removableAccordingToCategories(result));

    Map<Entity, Double> filteredCommunity = new HashMap<>(result);
    for (Entity e : entitiesToRemove) {
        filteredCommunity.remove(e);
    }
    println("Based on category analisy I would suggest to remove: " + entitiesToRemove);
    println("New Community  in case of category based filtering"
            + StringUtilsQueryExpansion.MapDoubleValueToString(filteredCommunity));

    query.setCommunityAfterRemoval(filteredCommunity);
    query.setCommunity(result);
    return new Pair<>(result, filteredCommunity);

}

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From source file:com.example.soaplegacy.XmlUtils.java

public static String removeUnneccessaryNamespaces(String xml) {
    if (StringUtils.isBlank(xml)) {
        return xml;
    }//from  ww w .  ja  va  2  s .  c  om

    XmlObject xmlObject = null;
    XmlCursor cursor = null;
    try {
        xmlObject = XmlObject.Factory.parse(xml);

        cursor = xmlObject.newCursor();
        while (cursor.currentTokenType() != XmlCursor.TokenType.START
                && cursor.currentTokenType() != XmlCursor.TokenType.ENDDOC) {
            cursor.toNextToken();
        }

        if (cursor.currentTokenType() == XmlCursor.TokenType.START) {
            Map<?, ?> nsMap = new HashMap<Object, Object>();

            cursor.getAllNamespaces(nsMap);
            nsMap.remove(cursor.getDomNode().getPrefix());

            NamedNodeMap attributes = cursor.getDomNode().getAttributes();
            for (int c = 0; attributes != null && c < attributes.getLength(); c++) {
                nsMap.remove(attributes.item(c).getPrefix());
            }

            if (cursor.toFirstChild()) {
                while (cursor.getDomNode() != xmlObject.getDomNode()) {
                    attributes = cursor.getDomNode().getAttributes();
                    for (int c = 0; attributes != null && c < attributes.getLength(); c++) {
                        nsMap.remove(attributes.item(c).getPrefix());
                    }

                    nsMap.remove(cursor.getDomNode().getPrefix());
                    cursor.toNextToken();
                }
            }

            xml = xmlObject.xmlText(
                    new XmlOptions().setSaveOuter().setSavePrettyPrint().setSaveImplicitNamespaces(nsMap));
        }
    } catch (XmlException e) {

    } finally {
        if (cursor != null)
            cursor.dispose();
    }

    return xml;
}

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From source file:com.ctriposs.r2.transport.http.client.HttpClientFactory.java

private static <T> T coerceAndRemoveFromMap(String key, Map<String, ?> props, Class<T> valueClass) {
    return coerce(key, props.remove(key), valueClass);
}

---

From source file:org.opencb.commons.datastore.mongodb.GenericDocumentComplexConverter.java

/**
 * For each element in the document, applies a mapper {@link Function} to the key.
 *
 * Goes over all the elements in the document recursively.
 *
 * @param object        Object to modify
 * @param keyMapper     Key mapper//from w w  w .ja v  a 2 s  .c o m
 * @param toReplace     String to be replaced
 * @param <T>           Type of the input object.
 * @return              The modified object.
 */
protected static <T> T modifyKeys(T object, Function<String, String> keyMapper, String toReplace) {
    if (object instanceof Map) {
        Map<String, Object> document = (Map<String, Object>) object;
        List<String> keysWithDots = new LinkedList<>();
        for (Map.Entry<String, Object> entry : document.entrySet()) {
            if (entry.getKey().contains(toReplace)) {
                keysWithDots.add(entry.getKey());
            }
            modifyKeys(entry.getValue(), keyMapper, toReplace);
        }
        for (String key : keysWithDots) {
            Object o = document.remove(key);
            document.put(keyMapper.apply(key), o);
        }
    } else if (object instanceof Collection) {
        Collection collection = (Collection) object;
        for (Object o : collection) {
            modifyKeys(o, keyMapper, toReplace);
        }
    }
    return object;
}

---

From source file:com.silverpeas.util.MapUtil.java

public static <K, V> boolean equals(Map<? extends K, ? extends V> left, Map<? extends K, ? extends V> right) {
    Map<K, V> onlyOnRight = new HashMap<K, V>(right);
    for (Map.Entry<? extends K, ? extends V> entry : left.entrySet()) {
        K leftKey = entry.getKey();//from w w  w.  j av a  2 s . c o  m
        V leftValue = entry.getValue();
        if (right.containsKey(leftKey)) {
            V rightValue = onlyOnRight.remove(leftKey);
            if (!ObjectUtils.equals(leftValue, rightValue)) {
                return false;
            }
        } else {
            return false;
        }
    }
    return onlyOnRight.isEmpty();
}

---

From source file:com.centurylink.mdw.services.util.AuthUtils.java

public static boolean authenticate(String authMethod, Map<String, String> headers, String payload) {
    // avoid any fishiness -- only we should populate this header
    headers.remove(Listener.AUTHENTICATED_USER_HEADER);
    if (authMethod.equals(AUTHORIZATION_HEADER_AUTHENTICATION)) {
        return authenticateAuthorizationHeader(headers);
    } else if (authMethod.equals(GIT_HUB_SECRET_KEY)) {
        return authenticateGitHubSecretKey(headers, payload);
    } else if (authMethod.equals(SLACK_TOKEN)) {
        return authenticateSlackToken(headers, payload);
    } else if (authMethod.equals(MDW_APP_TOKEN)) {
        return authenticateMdwAppToken(headers, payload);
    } else {//  ww w  .  j a  v  a 2  s .  c  om
        throw new IllegalArgumentException("Unsupported authentication method: " + authMethod);
    }
}

---

From source file:com.alibaba.jstorm.ui.UIUtils.java

public static ColumnData getConnectionColumnData(Map<String, String> paramMap, String connectionName) {
    ColumnData columnData = new ColumnData();
    LinkData linkData = new LinkData();
    columnData.addLinkData(linkData);/*from  w  w  w  . ja  v  a  2  s .  c om*/

    linkData.setUrl(UIDef.LINK_WINDOW_TABLE);
    linkData.setText(connectionName);
    Map<String, String> linkDataParam = new HashMap<String, String>();
    linkData.setParamMap(linkDataParam);
    linkDataParam.putAll(paramMap);
    linkDataParam.remove(UIDef.POS);

    try {
        int pos = connectionName.indexOf(":");
        if (pos > 0) {
            String source = connectionName.substring(0, pos);
            linkDataParam.put(UIDef.HOST, source);
        }

    } catch (Exception e) {
    }

    return columnData;
}

---

From source file:Main.java

/**
 * Removes the value from the set of values mapped by key. If this value was the last value in the set of values
 * mapped by key, the complete key/values entry is removed.
 * /*from  www  . j  a  v a2s  .c o  m*/
 * @param key
 *            The key for which to remove a value.
 * @param value
 *            The value for which to remove the key.
 * @param map
 *            The object that maps the key to a set of values, on which the operation should occur.
 */
public static <K, V> void deleteAndRemove(final K key, final V value, final Map<K, Set<V>> map) {
    if (key == null) {
        throw new IllegalArgumentException("Argument 'key' cannot be null.");
    }
    if (value == null) {
        throw new IllegalArgumentException("Argument 'value' cannot be null.");
    }
    if (map == null) {
        throw new IllegalArgumentException("Argument 'map' cannot be null.");
    }

    if (map.isEmpty() || !map.containsKey(key)) {
        return;
    }

    final Set<V> values = map.get(key);
    values.remove(value);

    if (values.isEmpty()) {
        map.remove(key);
    }
}

---

From source file:com.espertech.esper.core.start.EPStatementStartMethodCreateTable.java

private static EventType validateExpressionGetEventType(String msgprefix, List<AnnotationDesc> annotations,
        EventAdapterService eventAdapterService) throws ExprValidationException {
    Map<String, List<AnnotationDesc>> annos = AnnotationUtil.mapByNameLowerCase(annotations);

    // check annotations used
    List<AnnotationDesc> typeAnnos = annos.remove("type");
    if (!annos.isEmpty()) {
        throw new ExprValidationException(
                msgprefix + " unrecognized annotation '" + annos.keySet().iterator().next() + "'");
    }/*from ww  w .java  2 s .c o  m*/

    // type determination
    EventType optionalType = null;
    if (typeAnnos != null) {
        String typeName = AnnotationUtil.getExpectSingleStringValue(msgprefix, typeAnnos);
        optionalType = eventAdapterService.getExistsTypeByName(typeName);
        if (optionalType == null) {
            throw new ExprValidationException(msgprefix + " failed to find event type '" + typeName + "'");
        }
    }

    return optionalType;
}

---

From source file:com.espertech.esper.epl.parse.ASTContextHelper.java

private static ContextDetailCondition getContextCondition(Tree parent, Map<Tree, ExprNode> astExprNodeMap,
        Map<Tree, EvalFactoryNode> astPatternNodeMap, PropertyEvalSpec propertyEvalSpec, boolean immediate) {
    if (parent.getType() == EsperEPL2Ast.CRONTAB_LIMIT_EXPR_PARAM) {
        List<ExprNode> crontab = ASTExprHelper.getRemoveAllChildExpr(parent, astExprNodeMap);
        return new ContextDetailConditionCrontab(crontab, immediate);
    } else if (parent.getType() == EsperEPL2Ast.CREATE_CTX_PATTERN) {
        EvalFactoryNode evalNode = astPatternNodeMap.remove(parent.getChild(0).getChild(0));
        boolean inclusive = false;
        if (parent.getChildCount() > 1) {
            String ident = parent.getChild(1).getText();
            if (ident != null && !ident.toLowerCase().equals("inclusive")) {
                throw new ASTWalkException(
                        "Expected 'inclusive' keyword after '@', found '" + ident + "' instead");
            }/*  w  w w.  j  a v a  2  s  .c  o m*/
            inclusive = true;
        }
        return new ContextDetailConditionPattern(evalNode, inclusive, immediate);
    } else if (parent.getType() == EsperEPL2Ast.STREAM_EXPR) {
        FilterSpecRaw filterSpecRaw = ASTExprHelper.walkFilterSpec(parent.getChild(0), propertyEvalSpec,
                astExprNodeMap);
        String asName = parent.getChildCount() > 1 ? parent.getChild(1).getText() : null;
        if (immediate) {
            throw new ASTWalkException(
                    "Invalid use of 'now' with initiated-by stream, this combination is not supported");
        }
        return new ContextDetailConditionFilter(filterSpecRaw, asName);
    } else if (parent.getType() == EsperEPL2Ast.AFTER) {
        ExprTimePeriod timePeriod = (ExprTimePeriod) astExprNodeMap.remove(parent.getChild(0));
        return new ContextDetailConditionTimePeriod(timePeriod, immediate);
    } else {
        throw new IllegalStateException("Unrecognized child type " + parent.getType());
    }
}

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