Example usage for com.google.common.collect Maps newHashMapWithExpectedSize

Introduction

In this page you can find the example usage for com.google.common.collect Maps newHashMapWithExpectedSize.

Prototype

public static <K, V> HashMap<K, V> newHashMapWithExpectedSize(int expectedSize) 

Source Link

Document

Creates a HashMap instance, with a high enough "initial capacity" that it should hold expectedSize elements without growth.

Usage

From source file:org.cordovastudio.editors.designer.model.DeletionHandler.java

/**
 * Creates a new {@link DeletionHandler}
 *
 * @param deleted the deleted nodes/*from w w  w .  ja  v  a 2 s . co m*/
 * @param moved   nodes that were moved (e.g. deleted, but also inserted elsewhere)
 * @param layout  the parent layout of the deleted nodes
 */
public DeletionHandler(@NotNull List<RadViewComponent> deleted, @NotNull List<RadViewComponent> moved,
        @NotNull RadViewComponent layout) {
    myDeleted = deleted;
    myChildren = layout.getChildren();
    myNodeMap = Maps.newHashMapWithExpectedSize(myChildren.size());
    for (RadViewComponent view : RadViewComponent.getViewComponents(myChildren)) {
        String id = view.getId();
        if (id != null) {
            myNodeMap.put(id, view);
        }
    }

    myDeletedIds = Sets.newHashSetWithExpectedSize(myDeleted.size());
    for (RadViewComponent node : myDeleted) {
        String id = node.getId();
        if (id != null) {
            myDeletedIds.add(id);
        }
    }

    // Any widgets that remain (e.g. typically because they were moved) should
    // keep their incoming dependencies
    for (RadViewComponent node : moved) {
        String id = node.getId();
        if (id != null) {
            myDeletedIds.remove(id);
        }
    }
}

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From source file:org.apache.shindig.gadgets.config.CoreUtilConfigContributor.java

/** {@inheritDoc} */
public void contribute(Map<String, Object> config, Gadget gadget) {
    // Add gadgets.util support. This is calculated dynamically based on request inputs.
    ModulePrefs prefs = gadget.getSpec().getModulePrefs();
    Collection<Feature> features = prefs.getFeatures().values();
    Map<String, Map<String, Object>> featureMap = Maps.newHashMapWithExpectedSize(features.size());
    Set<String> allFeatureNames = registry.getAllFeatureNames();

    for (Feature feature : features) {
        // Skip unregistered features
        if (!allFeatureNames.contains(feature.getName())) {
            continue;
        }//w  w  w .ja v a  2s.co  m
        // Flatten out the multimap a bit for backwards compatibility:  map keys
        // with just 1 value into the string, treat others as arrays
        Map<String, Object> paramFeaturesInConfig = Maps.newHashMap();
        for (String paramName : feature.getParams().keySet()) {
            Collection<String> paramValues = feature.getParams().get(paramName);
            if (paramValues.size() == 1) {
                paramFeaturesInConfig.put(paramName, paramValues.iterator().next());
            } else {
                paramFeaturesInConfig.put(paramName, paramValues);
            }
        }

        featureMap.put(feature.getName(), paramFeaturesInConfig);
    }
    config.put("core.util", featureMap);
}

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From source file:com.android.tools.idea.experimental.codeanalysis.callgraph.CHAUtil.java

public void buildBitSetIndex() {
    PsiCFGClass[] applicationClassArray = mScene.getAllApplicationClasses();
    PsiCFGClass[] libraryClassArray = mScene.getAllLibraryClasses();
    int numofBits = applicationClassArray.length + libraryClassArray.length;
    if (numofBits < 0) {
        throw new RuntimeException("Number of classes in this project is larger than 2G.");
    }/*from   w  w  w . j a  va2 s.c  om*/
    mClassIndexArray = new PsiCFGClass[numofBits];
    mClassIndexMap = Maps.newHashMapWithExpectedSize(numofBits);
    int i = 0;
    for (; i < applicationClassArray.length; i++) {
        mClassIndexArray[i] = applicationClassArray[i];
        mClassIndexMap.put(applicationClassArray[i], i);
    }
    for (; i < numofBits; i++) {
        mClassIndexArray[i] = libraryClassArray[i - applicationClassArray.length];
        mClassIndexMap.put(libraryClassArray[i - applicationClassArray.length], i);
    }
}

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From source file:de.learnlib.datastructure.observationtable.reader.SuffixASCIIReader.java

private Map<String, I> generateNameToSymbolMap(Alphabet<I> alphabet) {
    Map<String, I> nameToSymbol = Maps.newHashMapWithExpectedSize(alphabet.size());

    for (I symbol : alphabet) {
        String symbolName = symbol.toString();
        if (nameToSymbol.containsKey(symbolName)) {
            throw new IllegalArgumentException(
                    "Symbol name '" + symbolName + "' is used more than once in alphabet");
        } else {//from  w  w w. jav  a 2 s . c  om
            nameToSymbol.put(symbolName, symbol);
        }
    }

    return nameToSymbol;
}

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From source file:org.auraframework.impl.root.component.IterationProvider.java

@Override
public ComponentConfig provide() throws QuickFixException {
    AuraContext context = Aura.getContextService().getCurrentContext();
    BaseComponent<?, ?> component = context.getCurrentComponent();
    ComponentConfig cc = new ComponentConfig();
    List<Component> components = Lists.newArrayList();
    InstanceStack iStack = context.getInstanceStack();
    Map<String, Object> m = Maps.newHashMapWithExpectedSize(1);
    m.put("body", components);
    cc.setAttributes(m);/* w  w  w  . j a va 2s  .co  m*/

    AttributeSet atts = component.getAttributes();
    Iterable<?> value = atts.getValue("items", Iterable.class);
    if (value != null) {
        List<?> items = Lists.newArrayList(value);
        if (!items.isEmpty()) {
            String var = atts.getValue("var", String.class);
            String indexVar = atts.getValue("indexVar", String.class);

            int realstart = 0;
            int realend = items.size();

            ComponentDefRefArrayImpl template = atts.getValue("body", ComponentDefRefArrayImpl.class);
            m.put("template", template);
            Integer start = getIntValue(atts.getValue("start"));
            Integer end = getIntValue(atts.getValue("end"));
            if (start == null && end == null) {
                // int page = (Integer)atts.getValue("page");
                // int pageSize = (Integer)atts.getValue("pageSize");
            } else {
                if (start != null && start > realstart) {
                    realstart = start;
                }

                if (end != null && end < realend) {
                    realend = end;
                }
            }

            // boolean reverse = (Boolean)atts.getValue("reverse");
            iStack.setAttributeName("body");
            for (int i = realstart; i < realend; i++) {
                iStack.setAttributeIndex(i);
                iStack.pushInstance(component, component.getDescriptor());
                iStack.setAttributeName("body");
                Map<String, Object> providers = Maps.newHashMap();
                providers.put(var, items.get(i));
                if (indexVar != null) {
                    providers.put(indexVar, i);
                }
                components.addAll(template.newInstance(atts.getValueProvider(), providers));
                iStack.clearAttributeName("body");
                iStack.popInstance(component);
                iStack.clearAttributeIndex(i);
            }
            iStack.clearAttributeName("body");
        }
    }

    return cc;
}

---

From source file:com.opengamma.financial.analytics.fudgemsg.YieldCurveBundleBuilder.java

@Override
public YieldCurveBundle buildObject(final FudgeDeserializer deserializer, final FudgeMsg message) {
    // note name in curve & name in bundle may be different!
    final List<FudgeField> curveFields = message.getAllByName(CURVES_FIELD_NAME);
    final List<FudgeField> curveNameFields = message.getAllByName(CURVES_NAME_FIELD_NAME);
    final List<FudgeField> ccyFields = message.getAllByName(CURRENCY_FIELD_NAME);
    final List<FudgeField> ccyCurveFields = message.getAllByName(CURRENCY_CURVE_FIELD_NAME);
    final Map<String, YieldAndDiscountCurve> curves = new LinkedHashMap<>(curveFields.size());
    final Map<String, Currency> curveCurrencys = Maps.newHashMapWithExpectedSize(ccyFields.size());
    final FXMatrix fxMatrix = deserializer.fieldValueToObject(FXMatrix.class,
            message.getByName(FX_MATRIX_FIELD_NAME));
    for (int i = 0; i < curveFields.size(); i++) {
        final YieldAndDiscountCurve curve = deserializer.fieldValueToObject(YieldAndDiscountCurve.class,
                curveFields.get(i));//from  w w  w  .j ava2s  .co  m
        final String name = deserializer.fieldValueToObject(String.class, curveNameFields.get(i));
        curves.put(name, curve);
    }
    for (int i = 0; i < ccyFields.size(); i++) {
        final String name = deserializer.fieldValueToObject(String.class, ccyCurveFields.get(i));
        final Currency ccy = deserializer.fieldValueToObject(Currency.class, ccyFields.get(i));
        curveCurrencys.put(name, ccy);
    }

    return new YieldCurveBundle(fxMatrix, curveCurrencys, curves);
}

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From source file:tachyon.master.file.journal.AddMountPointEntry.java

@Override
public Map<String, Object> getParameters() {
    Map<String, Object> parameters = Maps.newHashMapWithExpectedSize(2);
    parameters.put("tachyonPath", mTachyonPath);
    parameters.put("ufsPath", mUfsPath);
    return parameters;
}

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From source file:org.sonatype.nexus.configuration.ModelloUtils.java

/**
 * {@link List} of {@link CProps} to {@link Map} converter, to ease handling of these thingies.
 *//*ww w  .jav  a  2  s .c o  m*/
public static Map<String, String> getMapFromConfigList(List<CProps> list) {
    final Map<String, String> result = Maps.newHashMapWithExpectedSize(list.size());
    for (CProps props : list) {
        result.put(props.getKey(), props.getValue());
    }
    return result;
}

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From source file:shaded.org.openqa.selenium.remote.server.handler.internal.ResultConverter.java

public Object apply(Object result) {
    if (result instanceof WebElement) {
        String elementId = knownElements.add((WebElement) result);
        return ImmutableMap.of("ELEMENT", elementId);
    }/* w w w  .  j  ava 2s  .co  m*/

    if (result instanceof List) {
        @SuppressWarnings("unchecked")
        List<Object> resultAsList = (List<Object>) result;
        return Lists.newArrayList(Iterables.transform(resultAsList, this));
    }

    if (result instanceof Map<?, ?>) {
        Map<?, ?> resultAsMap = (Map<?, ?>) result;
        Map<Object, Object> converted = Maps.newHashMapWithExpectedSize(resultAsMap.size());
        for (Map.Entry<?, ?> entry : resultAsMap.entrySet()) {
            converted.put(entry.getKey(), apply(entry.getValue()));
        }
        return converted;
    }

    if (result instanceof ResultSet) {
        Map<Object, Object> converted = Maps.newHashMap();
        converted.put("insertId", ((ResultSet) result).getLastInsertedRowId());
        converted.put("rowsAffected", ((ResultSet) result).getNumberOfRowsAffected());
        ResultSetRows rsRows = ((ResultSet) result).rows();
        List<Map<String, Object>> rows = Lists.newArrayList();
        for (int i = 0; i < rsRows.size(); i++) {
            rows.add(rsRows.item(i));
        }
        converted.put("rows", Lists.newArrayList(Iterables.transform(rows, this)));
        return converted;
    }

    return result;
}

---

From source file:com.jivesoftware.os.amza.client.http.Ring.java

public RingMemberAndHost[] orderedRing(List<RingMember> membersInOrder) {
    List<RingMemberAndHost> ordered = Lists.newArrayListWithCapacity(members.length);
    if (membersInOrder == null) {
        if (leaderIndex >= 0) {
            ordered.add(members[leaderIndex]);
        }//from   w w w . j a va  2  s .  c  o m
        for (int i = 0; i < members.length; i++) {
            if (i != leaderIndex) {
                ordered.add(members[i]);
            }
        }
    } else {
        Map<RingMember, RingMemberAndHost> memberHosts = Maps.newHashMapWithExpectedSize(members.length);
        for (RingMemberAndHost member : members) {
            memberHosts.put(member.ringMember, member);
        }
        for (RingMember ringMember : membersInOrder) {
            RingMemberAndHost ringMemberAndHost = memberHosts.remove(ringMember);
            if (ringMemberAndHost != null) {
                ordered.add(ringMemberAndHost);
            }
        }
        for (RingMemberAndHost ringMemberAndHost : memberHosts.values()) {
            ordered.add(ringMemberAndHost);
        }
    }
    return ordered.toArray(new RingMemberAndHost[0]);
}

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