Example usage for java.lang String hashCode

Introduction

In this page you can find the example usage for java.lang String hashCode.

Prototype

public int hashCode()

Source Link

Document

Returns a hash code for this string.

Usage

From source file:eagle.log.entity.meta.IndexDefinition.java

private int[] generatePartitionHashCodes(TaggedLogAPIEntity entity) {
    final String[] partitions = entityDef.getPartitions();
    int[] result = null;
    if (partitions != null) {
        result = new int[partitions.length];
        final Map<String, String> tags = entity.getTags();
        for (int i = 0; i < partitions.length; ++i) {
            final String partition = partitions[i];
            final String tagValue = tags.get(partition);
            if (tagValue != null) {
                result[i] = tagValue.hashCode();
            } else {
                result[i] = EMPTY_PARTITION_DEFAULT_HASH_CODE;
            }/*from w w  w  .  j  a  v a 2 s . c o  m*/
        }
    }
    return result;
}

From source file:com.github.stephanarts.cas.ticket.registry.provider.GetMethodTest.java

@Test
public void testSerializationError() throws Exception {
    final HashMap<Integer, Ticket> map = new HashMap<Integer, Ticket>();
    final JSONObject params = new JSONObject();
    final IMethod method = new GetMethod(map);
    final JSONObject result;

    final String ticketId = "ST-1234567890ABCDEFGHIJKL-crud";
    final ServiceTicket ticket = mock(ServiceTicket.class, withSettings().serializable());

    PowerMockito.whenNew(ObjectOutputStream.class).withAnyArguments().thenThrow(new Exception("broken"));

    map.put(ticketId.hashCode(), ticket);

    params.put("ticket-id", ticketId);

    try {/*from   ww w. j a va 2  s .c  o m*/
        result = method.execute(params);
    } catch (final JSONRPCException e) {
        Assert.assertEquals(-32500, e.getCode());
        Assert.assertTrue(e.getMessage().equals("Error extracting Ticket"));
        return;
    } catch (final Exception e) {
        throw new Exception(e);
    }

    Assert.fail("No Exception Thrown");
}

From source file:com.jaspersoft.jasperserver.api.engine.common.virtualdatasourcequery.impl.AbstractVirtualDataSourceQueryServiceImpl.java

private String getJdbcDataSourceID(JdbcDataSource jdbcDataSource) {
    String key = jdbcDataSource.getConnectionUrl() + "|" + jdbcDataSource.getDriverClass() + "|"
            + jdbcDataSource.getUsername() + "|" + jdbcDataSource.getPassword();
    return key.hashCode() + "";
}

From source file:de.schildbach.wallet.litecoin.ExchangeRatesProvider.java

@Override
public Cursor query(final Uri uri, final String[] projection, final String selection,
        final String[] selectionArgs, final String sortOrder) {
    final long now = System.currentTimeMillis();

    if (exchangeRates == null || now - lastUpdated > UPDATE_FREQ_MS) {
        LycBtcRate = getLycBtcRate();/*from   w ww  .j  av  a2s . c o m*/
        if (LycBtcRate == null)
            return null;

        Map<String, ExchangeRate> newExchangeRates = getBlockchainInfo();
        if (exchangeRates == null && newExchangeRates == null)
            newExchangeRates = getLycancoinCharts();

        if (newExchangeRates != null) {
            exchangeRates = newExchangeRates;
            lastUpdated = now;
        }
    }

    if (exchangeRates == null)
        return null;

    final MatrixCursor cursor = new MatrixCursor(
            new String[] { BaseColumns._ID, KEY_CURRENCY_CODE, KEY_RATE, KEY_SOURCE });

    if (selection == null) {
        for (final Map.Entry<String, ExchangeRate> entry : exchangeRates.entrySet()) {
            final ExchangeRate rate = entry.getValue();
            cursor.newRow().add(entry.getKey().hashCode()).add(rate.currencyCode).add(rate.rate.longValue())
                    .add(rate.source);
        }
    } else if (selection.equals(KEY_CURRENCY_CODE)) {
        final String code = selectionArgs[0];
        final ExchangeRate rate = exchangeRates.get(code);
        try {
            cursor.newRow().add(code.hashCode()).add(rate.currencyCode).add(rate.rate.longValue())
                    .add(rate.source);
        } catch (NullPointerException e) {
            Log.e("Lycancoin", "Unable to add an exchange rate.  NullPointerException.");
        }
    }

    return cursor;
}

From source file:com.wsc.myexample.decisionForest.MyDataset.java

@Override
public int hashCode() {
    int hashCode = labelId + 31 * nbInstances;
    for (Dataset.Attribute attr : attributes) {
        hashCode = 31 * hashCode + attr.hashCode();
    }//from  w  ww .j a  va2s. com
    for (String[] valueRow : values) {
        if (valueRow == null) {
            continue;
        }
        for (String value : valueRow) {
            hashCode = 31 * hashCode + value.hashCode();
        }
    }
    return hashCode;
}

From source file:com.github.stephanarts.cas.ticket.registry.provider.GetMethod.java

/**
 * Execute the JSONRPCFunction./*from  w w w .j a v a2  s  . c  o m*/
 *
 * @param params    JSONRPC Method Parameters.
 *
 * @return          JSONRPC result object
 *
 * @throws JSONRPCException implementors can throw JSONRPCExceptions containing the error.
 */
public JSONObject execute(final JSONObject params) throws JSONRPCException {
    JSONObject result = new JSONObject();
    Ticket ticket;

    logger.debug("GET");

    String ticketId = null;

    if (params.length() != 1) {
        throw new JSONRPCException(-32602, "Invalid Params");
    }
    if (!(params.has("ticket-id"))) {
        throw new JSONRPCException(-32602, "Invalid Params");
    }

    ticketId = params.getString("ticket-id");

    ticket = this.map.get(ticketId.hashCode());

    if (ticket == null) {
        throw new JSONRPCException(-32503, "Missing Ticket");
    }

    byte[] serializedTicketArray = { 0 };

    try {
        ByteArrayOutputStream bo = new ByteArrayOutputStream();
        ObjectOutputStream so = new ObjectOutputStream(bo);
        so.writeObject(ticket);
        so.flush();
        serializedTicketArray = bo.toByteArray();
    } catch (final Exception e) {
        logger.debug(e.getMessage());
        throw new JSONRPCException(-32500, "Error extracting Ticket");
    }

    result.put("ticket-id", ticketId);
    result.put("ticket", DatatypeConverter.printBase64Binary(serializedTicketArray));
    return result;
}

From source file:Coordinate.java

/**
 * Overide the default hashcode method//from w  w  w  .j  a  v  a 2 s  . c  o  m
 * 
 * @return a hashcode for this object
 */
public int hashCode() {

    String me = this.getLatitudeAsString() + this.getLongitudeAsString();
    return 31 * me.hashCode();
}

From source file:com.yahoo.ycsb.db.JdbcDBClient.java

/**
 * For the given key, returns what shard contains data for this key.
 *
 * @param key Data key to do operation on
 * @return Shard index/*from w w  w.  j ava2 s.  c  o m*/
 */
private int getShardIndexByKey(String key) {
    int ret = Math.abs(key.hashCode()) % conns.size();
    return ret;
}

From source file:com.opengamma.financial.analytics.ircurve.strips.CurveNodeWithIdentifier.java

@Override
protected void propertySet(String propertyName, Object newValue, boolean quiet) {
    switch (propertyName.hashCode()) {
    case 771167121: // curveNode
        setCurveNode((CurveNode) newValue);
        return;/*ww  w  . j  a v a 2 s  . c  om*/
    case -1618432855: // identifier
        setIdentifier((ExternalId) newValue);
        return;
    case -386794640: // dataField
        setDataField((String) newValue);
        return;
    case 1265211220: // fieldType
        setFieldType((DataFieldType) newValue);
        return;
    }
    super.propertySet(propertyName, newValue, quiet);
}

From source file:edu.mayo.cts2.framework.plugin.service.bioportal.transform.AbstractBioportalOntologyVersionTransformTemplate.java

/**
 * Transform resource versions.//from   www .  j  a va2s. c o m
 *
 * @param xml the xml
 * @return the list
 */
public List<S> transformResourceVersions(String xml) {

    if (!this.cachedVersionSummaries.containsKey(xml.hashCode())) {
        this.cachedVersionSummaries.clear();

        this.cachedVersionSummaries.put(xml.hashCode(), this.doTransformResourceVersions(xml));
    }

    return new ArrayList<S>(this.cachedVersionSummaries.get(xml.hashCode()));
}