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

List of usage examples for com.google.common.collect Maps newHashMapWithExpectedSize

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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:com.google.gitiles.BlobSoyData.java

public Map<String, Object> toSoyData(String path, ObjectId blobId) throws MissingObjectException, IOException {
    Map<String, Object> data = Maps.newHashMapWithExpectedSize(4);
    data.put("sha", ObjectId.toString(blobId));

    ObjectLoader loader = walk.getObjectReader().open(blobId, Constants.OBJ_BLOB);
    String content;/* w w  w  .java2 s.com*/
    try {
        byte[] raw = loader.getCachedBytes(MAX_FILE_SIZE);
        content = !RawText.isBinary(raw) ? RawParseUtils.decode(raw) : null;
    } catch (LargeObjectException.OutOfMemory e) {
        throw e;
    } catch (LargeObjectException e) {
        content = null;
    }

    data.put("data", content);
    if (content != null) {
        data.put("lang", guessPrettifyLang(path, content));
    } else if (content == null) {
        data.put("size", Long.toString(loader.getSize()));
    }
    if (path != null && view.getRevision().getPeeledType() == OBJ_COMMIT) {
        data.put("logUrl", GitilesView.log().copyFrom(view).toUrl());
    }
    return data;
}

From source file:org.apache.phoenix.parse.IndexExpressionParseNodeRewriter.java

public IndexExpressionParseNodeRewriter(PTable index, PhoenixConnection connection,
        Map<String, UDFParseNode> udfParseNodes) throws SQLException {
    indexedParseNodeToColumnParseNodeMap = Maps.newHashMapWithExpectedSize(index.getColumns().size());
    NamedTableNode tableNode = NamedTableNode.create(null,
            TableName.create(index.getParentSchemaName().getString(), index.getParentTableName().getString()),
            Collections.<ColumnDef>emptyList());
    ColumnResolver dataResolver = FromCompiler.getResolver(tableNode, connection, udfParseNodes);
    StatementContext context = new StatementContext(new PhoenixStatement(connection), dataResolver);
    IndexStatementRewriter rewriter = new IndexStatementRewriter(dataResolver, null);
    ExpressionCompiler expressionCompiler = new ExpressionCompiler(context);
    int indexPosOffset = (index.getBucketNum() == null ? 0 : 1) + (index.isMultiTenant() ? 1 : 0)
            + (index.getViewIndexId() == null ? 0 : 1);
    List<PColumn> pkColumns = index.getPKColumns();
    for (int i = indexPosOffset; i < pkColumns.size(); ++i) {
        PColumn column = pkColumns.get(i);
        String expressionStr = IndexUtil.getIndexColumnExpressionStr(column);
        ParseNode expressionParseNode = SQLParser.parseCondition(expressionStr);
        String colName = "\"" + column.getName().getString() + "\"";
        Expression dataExpression = expressionParseNode.accept(expressionCompiler);
        PDataType expressionDataType = dataExpression.getDataType();
        ParseNode indexedParseNode = expressionParseNode.accept(rewriter);
        PDataType indexColType = IndexUtil.getIndexColumnDataType(dataExpression.isNullable(),
                expressionDataType);/*from w ww.  j  a va2s. c  o  m*/
        ParseNode columnParseNode = new ColumnParseNode(null, colName, null);
        if (indexColType != expressionDataType) {
            columnParseNode = NODE_FACTORY.cast(columnParseNode, expressionDataType, null, null);
        }
        indexedParseNodeToColumnParseNodeMap.put(indexedParseNode, columnParseNode);
    }
}

From source file:org.sosy_lab.cpachecker.cpa.automaton.Automaton.java

public Automaton(String pName, Map<String, AutomatonVariable> pVars, List<AutomatonInternalState> pStates,
        String pInitialStateName) throws InvalidAutomatonException {
    this.name = pName;
    this.initVars = pVars;
    this.states = pStates;

    Map<String, AutomatonInternalState> statesMap = Maps.newHashMapWithExpectedSize(pStates.size());
    for (AutomatonInternalState s : pStates) {
        if (statesMap.put(s.getName(), s) != null) {
            throw new InvalidAutomatonException("State " + s.getName() + " exists twice in automaton " + pName);
        }/*from w  w w  .  j ava 2 s.  co  m*/
    }

    initState = statesMap.get(pInitialStateName);
    if (initState == null) {
        throw new InvalidAutomatonException(
                "Inital state " + pInitialStateName + " not found in automaton " + pName);
    }

    // set the FollowStates of all Transitions
    for (AutomatonInternalState s : pStates) {
        s.setFollowStates(statesMap);
    }
}

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

@Override
public Map<String, Object> getParameters() {
    Map<String, Object> parameters = Maps.newHashMapWithExpectedSize(5);
    parameters.put("workerId", mWorkerId);
    parameters.put("fileId", mFileId);
    parameters.put("length", mLength);
    parameters.put("checkpointPath", mCheckpointPath);
    parameters.put("operationTimeMs", mOpTimeMs);
    return parameters;
}

From source file: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);
    }/*ww w.  j a  v a 2  s .  c o  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;
    }

    return result;
}

From source file:org.opensocial.explorer.server.security.OSEAuthConfigContributor.java

@Override
public void contribute(Map<String, Object> config, String container, String host) {
    // FIXME: Shindig doesn't like feeding AnonymousSecurityTokens to the
    // BlobCrypterSecurityTokenCodec, so I fake it out by setting the authentication mode to
    // something other than UNAUTHENTICATED. Shindig needs to be fixed to remove the tight coupling
    // between codecs and token implementations.
    SecurityToken containerToken = new ContainerAnonymousSecurityToken(container, 0L, "*");

    Map<String, String> authConfig = Maps.newHashMapWithExpectedSize(2);
    try {//w ww . j a v a 2s. c  o  m
        config.put("shindig.auth", authConfig);
        authConfig.put("authToken", securityTokenCodec.encodeToken(containerToken));
    } catch (SecurityTokenException e) {
        // CONSIDER: Ignore?
    }
}

From source file:org.n52.sos.util.Activatable.java

public static <K, V> Map<K, V> filter(Map<K, Activatable<V>> map) {
    if (map == null) {
        return Maps.newHashMap();
    }//w  w w .ja  va2  s.  c o  m
    Map<K, V> filtered = Maps.newHashMapWithExpectedSize(map.size());
    for (K k : map.keySet()) {
        if (map.get(k) != null && map.get(k).get() != null) {
            filtered.put(k, map.get(k).get());
        }
    }
    return filtered;
}

From source file:com.google.devtools.depan.view_doc.layout.grid.GridLayoutRunner.java

@Override
public void layoutStep() {
    Collection<GraphNode> layoutNodes = context.getMovableNodes();
    positions = Maps.newHashMapWithExpectedSize(layoutNodes.size());
    double leftPos = -horizontalSpace * ((columns / 2.0) - 0.5);
    double topPos = verticalSpace * ((rows / 2.0) - 0.5);

    double xCurr = leftPos;
    double yCurr = topPos;
    int item = (int) columns;
    for (GraphNode node : layoutNodes) {
        positions.put(node, new Point2D.Double(xCurr, yCurr));
        item--;// w w  w  .java2 s.  c  o m
        if (item > 0) {
            xCurr += horizontalSpace;
        } else {
            item = (int) columns;
            xCurr = leftPos;
            yCurr -= verticalSpace;
        }
    }
}

From source file:com.amazon.janusgraph.diskstorage.dynamodb.builder.SingleExpectedAttributeValueBuilder.java

public Map<String, ExpectedAttributeValue> build(KCVMutation mutation) {
    Preconditions.checkState(txh != null, "Transaction must not be null");
    Preconditions.checkState(key != null, "Key must not be null");

    final Map<String, ExpectedAttributeValue> expected = Maps
            .newHashMapWithExpectedSize(mutation.getTotalMutations());

    for (Entry addedColumn : mutation.getAdditions()) {
        final StaticBuffer columnKey = addedColumn.getColumn();
        addExpectedValueIfPresent(key, columnKey, expected);
    }//from w  w w .j  a  v  a 2s . com

    for (StaticBuffer deletedKey : mutation.getDeletions()) {
        addExpectedValueIfPresent(key, deletedKey, expected);
    }

    return expected;
}

From source file:fr.xebia.cocktail.AmazonS3FileStorageService.java

@Inject
public AmazonS3FileStorageService(@Value("${aws_access_key}") String awsAccessKey,
        @Value("${aws_secret_key}") String awsSecretKey) {

    amazonS3 = new AmazonS3Client(new BasicAWSCredentials(awsAccessKey, awsSecretKey));

    contentTypeByFileExtension = Maps.newHashMapWithExpectedSize(4);
    contentTypeByFileExtension.put("jpg", "image/jpeg");
    contentTypeByFileExtension.put("jpeg", "image/jpeg");
    contentTypeByFileExtension.put("png", "image/png");
    contentTypeByFileExtension.put("gif", "image/gif");

    defaultFileExtensionByContentType = Maps.newHashMapWithExpectedSize(3);
    defaultFileExtensionByContentType.put("image/jpeg", "jpg");
    defaultFileExtensionByContentType.put("image/png", "png");
    defaultFileExtensionByContentType.put("image/gif", "gif");
}