Example usage for java.util List clear

List of usage examples for java.util List clear

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Introduction

In this page you can find the example usage for java.util List clear.

Prototype

void clear();

Source Link

Document

Removes all of the elements from this list (optional operation).

Usage

From source file:com.ask.hive.hbase.HBaseTimeSerDe.java

/**
 * Parses the HBase columns mapping to identify the column families, qualifiers
 * and also caches the byte arrays corresponding to them. One of the Hive table
 * columns maps to the HBase row key, by default the first column.
 *
 * @param columnMapping - the column mapping specification to be parsed
 * @param colFamilies - the list of HBase column family names
 * @param colFamiliesBytes - the corresponding byte array
 * @param colQualifiers - the list of HBase column qualifier names
 * @param colQualifiersBytes - the corresponding byte array
 * @return the row key index in the column names list
 * @throws org.apache.hadoop.hive.serde2.SerDeException
 *///from  w  ww  .j  a  v  a2 s  .c om
public static int parseColumnMapping(String columnMapping, List<String> colFamilies,
        List<byte[]> colFamiliesBytes, List<String> colQualifiers, List<byte[]> colQualifiersBytes)
        throws SerDeException {

    int rowKeyIndex = -1;

    if (colFamilies == null || colQualifiers == null) {
        throw new SerDeException(
                "Error: caller must pass in lists for the column families " + "and qualifiers.");
    }

    colFamilies.clear();
    colQualifiers.clear();

    if (columnMapping == null) {
        throw new SerDeException("Error: hbase.columns.mapping missing for this HBase table.");
    }

    if (columnMapping.equals("") || columnMapping.equals(HBASE_KEY_COL)) {
        throw new SerDeException("Error: hbase.columns.mapping specifies only the HBase table"
                + " row key. A valid Hive-HBase table must specify at least one additional column.");
    }

    String[] mapping = columnMapping.split(",");

    for (int i = 0; i < mapping.length; i++) {
        String elem = mapping[i];
        int idxFirst = elem.indexOf(":");
        int idxLast = elem.lastIndexOf(":");

        if (idxFirst < 0 || !(idxFirst == idxLast)) {
            throw new SerDeException("Error: the HBase columns mapping contains a badly formed "
                    + "column family, column qualifier specification.");
        }

        if (elem.equals(HBASE_KEY_COL)) {
            rowKeyIndex = i;
            colFamilies.add(elem);
            colQualifiers.add(null);
        } else {
            String[] parts = elem.split(":");
            assert (parts.length > 0 && parts.length <= 2);
            colFamilies.add(parts[0]);

            if (parts.length == 2) {
                colQualifiers.add(parts[1]);
            } else {
                colQualifiers.add(null);
            }
        }
    }

    if (rowKeyIndex == -1) {
        colFamilies.add(0, HBASE_KEY_COL);
        colQualifiers.add(0, null);
        rowKeyIndex = 0;
    }

    if (colFamilies.size() != colQualifiers.size()) {
        throw new SerDeException("Error in parsing the hbase columns mapping.");
    }

    // populate the corresponding byte [] if the client has passed in a non-null list
    if (colFamiliesBytes != null) {
        colFamiliesBytes.clear();

        for (String fam : colFamilies) {
            colFamiliesBytes.add(Bytes.toBytes(fam));
        }
    }

    if (colQualifiersBytes != null) {
        colQualifiersBytes.clear();

        for (String qual : colQualifiers) {
            if (qual == null) {
                colQualifiersBytes.add(null);
            } else {
                colQualifiersBytes.add(Bytes.toBytes(qual));
            }
        }
    }

    if (colFamiliesBytes != null && colQualifiersBytes != null) {
        if (colFamiliesBytes.size() != colQualifiersBytes.size()) {
            throw new SerDeException(
                    "Error in caching the bytes for the hbase column families " + "and qualifiers.");
        }
    }

    return rowKeyIndex;
}

From source file:it.govpay.web.utils.Utils.java

public static List<Long> getIdsFromAcls(List<Acl> listaAcl, Tipo tipo, Servizio servizio) {
    List<Long> lst = new ArrayList<Long>();
    for (Acl acl : listaAcl) {
        if (acl.getServizio().equals(servizio) && acl.getTipo().equals(tipo)) {
            if (tipo.equals(Tipo.DOMINIO)) {
                if (acl.getIdDominio() == null) {
                    lst.clear();
                    lst.add(-1L);//www  . j ava  2  s . c o  m
                    break;
                } else
                    lst.add(acl.getIdDominio());
            } else {
                if (acl.getIdTributo() == null) {
                    lst.clear();
                    lst.add(-1L);
                    break;
                } else
                    lst.add(acl.getIdTributo());
            }
        }
    }
    return lst;
}

From source file:grails.plugin.searchable.internal.compass.mapping.SearchableGrailsDomainClassCompassMappingUtils.java

/**
 * Merges the given property mappings, overriding parent mappings with child mappings
 * @param mappedProperties//from  ww  w  .  j av a  2 s .  c o m
 * @param parentClassPropertyMappings
 */
public static void mergePropertyMappings(List mappedProperties, List parentClassPropertyMappings) {
    if (parentClassPropertyMappings == null) {
        return;
    }
    Assert.notNull(mappedProperties, "mappedProperties cannot be null");
    List temp = new ArrayList(parentClassPropertyMappings);
    temp.addAll(mappedProperties);
    for (Iterator citer = mappedProperties.iterator(); citer.hasNext();) {
        CompassClassPropertyMapping cmapping = (CompassClassPropertyMapping) citer.next();
        for (Iterator piter = parentClassPropertyMappings.iterator(); piter.hasNext();) {
            CompassClassPropertyMapping pmapping = (CompassClassPropertyMapping) piter.next();
            if (cmapping.getPropertyName().equals(pmapping.getPropertyName())) {
                temp.remove(pmapping);
            }
        }
    }
    mappedProperties.clear();
    mappedProperties.addAll(temp);
}

From source file:com.evolveum.midpoint.schema.util.WfContextUtil.java

public static void computeAssignees(List<ObjectReferenceType> newAssignees,
        List<ObjectReferenceType> delegatedTo, List<ObjectReferenceType> delegates,
        WorkItemDelegationMethodType method, AbstractWorkItemType workItem) {
    newAssignees.clear();
    delegatedTo.clear();/* www.ja v  a 2s. co  m*/
    switch (method) {
    case ADD_ASSIGNEES:
        newAssignees.addAll(CloneUtil.cloneCollectionMembers(workItem.getAssigneeRef()));
        break;
    case REPLACE_ASSIGNEES:
        break;
    default:
        throw new UnsupportedOperationException("Delegation method " + method + " is not supported yet.");
    }
    for (ObjectReferenceType delegate : delegates) {
        if (delegate.getType() != null && !QNameUtil.match(UserType.COMPLEX_TYPE, delegate.getType())) {
            throw new IllegalArgumentException("Couldn't use non-user object as a delegate: " + delegate);
        }
        if (delegate.getOid() == null) {
            throw new IllegalArgumentException("Couldn't use no-OID reference as a delegate: " + delegate);
        }
        if (!ObjectTypeUtil.containsOid(newAssignees, delegate.getOid())) {
            newAssignees.add(delegate.clone());
            delegatedTo.add(delegate.clone());
        }
    }
}

From source file:AbstractAmazonKinesisFirehoseDelivery.java

/**
 * Method to put records in the specified delivery stream by reading
 * contents from sample input file using PutRecordBatch API.
 *
 * @throws IOException/*from   w  w  w .j  a  v  a  2  s.  c  om*/
 */
protected static void putRecordBatchIntoDeliveryStream() throws IOException {
    try (InputStream inputStream = Thread.currentThread().getContextClassLoader()
            .getResourceAsStream(BATCH_PUT_STREAM_SOURCE)) {
        if (inputStream == null) {
            throw new FileNotFoundException("Could not find file " + BATCH_PUT_STREAM_SOURCE);
        }

        List<Record> recordList = new ArrayList<Record>();
        int batchSize = 0;
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
            String line = null;
            while ((line = reader.readLine()) != null) {
                String data = line + "\n";
                Record record = createRecord(data);
                recordList.add(record);
                batchSize++;

                if (batchSize == BATCH_PUT_MAX_SIZE) {
                    putRecordBatch(recordList);

                    recordList.clear();
                    batchSize = 0;
                }
            }

            if (batchSize > 0) {
                putRecordBatch(recordList);
            }
        }
    }
}

From source file:com.mycompany.asyncreq.Main.java

public static void ObjToCsv(Root tRoot, String reg) throws IOException {
    List<Tdataset> arForms = tRoot.dataset;
    List<ArrayList<String>> tradeDatas = new ArrayList<ArrayList<String>>();

    int count = 0;
    for (Iterator<Tdataset> j = arForms.iterator(); j.hasNext();) {

        Tdataset tmp = j.next();//w  w w  .  j  a va 2s.c o  m
        DateFormat format = new SimpleDateFormat("yyyyMM");
        try {
            Date date = format.parse(tmp.getperiod());
            Ttradedata trade = new Ttradedata(tmp.getrtCode(), tmp.getptCode(), tmp.getrgCode(),
                    tmp.getqtCode(), tmp.getestCode(), date, tmp.getTradeQuantity(), tmp.getNetWeight(),
                    tmp.getTradeValue(), tmp.getcmdCode());

            tradeDatas.add(trade.setString());
            if (tradeDatas.size() % 10000 == 0) {
                writeToCSV(tradeDatas,
                        "data/" + tRoot.dataset.get(0).getptCode() + "_" + count + "_" + reg + ".csv");
                count++;
                tradeDatas.clear();
            }
        } catch (Exception e) {
            System.out.println(e.toString());
        }
    }

    writeToCSV(tradeDatas, "data/" + tRoot.dataset.get(0).getptCode() + "_" + reg + ".csv");
    tradeDatas.clear();
    System.out.println("ok!");

}

From source file:backup.namenode.NameNodeBackupBlockCheckProcessor.java

private static void backupAll(BackupReportWriter writer, ExtendedBlockEnum<Addresses> nnEnum,
        int backupRequestBatchSize, DataNodeBackupRPCLookup rpcLookup) throws Exception {
    writer.startBackupAll();/*  ww  w .  jav a2 s.  c  o  m*/
    List<ExtendedBlockWithAddress> batch = new ArrayList<>();
    if (nnEnum.current() != null) {
        backupBlock(writer, batch, nnEnum, backupRequestBatchSize, rpcLookup);
    }
    while (nnEnum.next() != null) {
        backupBlock(writer, batch, nnEnum, backupRequestBatchSize, rpcLookup);
    }
    if (batch.size() > 0) {
        writer.backupRequestBatch(batch);
        writeBackupRequests(writer, batch, rpcLookup);
        batch.clear();
    }
    writer.completeBackupAll();
}

From source file:edu.ku.brc.helpers.EMailHelper.java

/**
 * Retrieves a list of all the available messages. For POP3 it checks the local mailbox and downloads any on the server.
 *  For IMAP it returns any in the INBOX.
 * @param msgList the list to be filled/*from w  w  w.j  ava2 s. c o  m*/
 * @return true if not erros, false if an error occurred.
 */
public static boolean getAvailableMsgs(java.util.List<javax.mail.Message> msgList) {
    boolean status = false; // assume it will fail

    msgList.clear();

    try {
        String usernameStr = AppPreferences.getRemote().get("settings.email.username", null); //$NON-NLS-1$
        String passwordStr = Encryption
                .decrypt(AppPreferences.getRemote().get("settings.email.password", null)); //$NON-NLS-1$
        String emailStr = AppPreferences.getRemote().get("settings.email.email", null); //$NON-NLS-1$
        String smtpStr = AppPreferences.getRemote().get("settings.email.smtp", null); //$NON-NLS-1$
        String serverNameStr = AppPreferences.getRemote().get("settings.email.servername", null); //$NON-NLS-1$
        String acctTypeStr = AppPreferences.getRemote().get("settings.email.accounttype", null); //$NON-NLS-1$
        String localMailBoxStr = AppPreferences.getRemote().get("settings.email.localmailbox", null); //$NON-NLS-1$

        EMailHelper.AccountType acctType = EMailHelper.getAccountType(acctTypeStr);

        if (!hasEMailSettings(usernameStr, passwordStr, emailStr, smtpStr, serverNameStr, acctTypeStr,
                localMailBoxStr)) {
            JOptionPane.showMessageDialog(UIRegistry.getMostRecentWindow(),
                    getResourceString("EMailHelper.EMAIL_SET_NOT_VALID")); //$NON-NLS-1$
        }

        // Open Local Box if POP
        if (acctTypeStr.equals(getResourceString("EMailHelper.POP3"))) //$NON-NLS-1$
        {
            try {
                Properties props = new Properties();
                Session session = Session.getDefaultInstance(props);

                Store store = session.getStore(new URLName("mstor:" + localMailBoxStr)); //$NON-NLS-1$
                store.connect();
                status = getMessagesFromInbox(store, msgList); // closes everything

            } catch (Exception ex) {
                edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
                edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(EMailHelper.class, ex);

                instance.lastErrorMsg = ex.toString();
                ex.printStackTrace();
                status = false;
            }
        } else {
            throw new RuntimeException("Unknown Account Type [" + acctTypeStr + "] must be POP3 or IMAP"); // XXX FIXME //$NON-NLS-1$ //$NON-NLS-2$
        }

        // Try to download message from pop account
        try {
            Properties props = System.getProperties();
            Session session = Session.getInstance(props, null);

            if (acctType == AccountType.POP3) {
                Store store = session.getStore("pop3"); //$NON-NLS-1$
                store.connect(serverNameStr, usernameStr, passwordStr);
                status = getMessagesFromInbox(store, msgList); // closes everything

            } else if (acctType == AccountType.IMAP) {
                Store store = session.getStore("imap"); //$NON-NLS-1$
                store.connect(serverNameStr, usernameStr, passwordStr);
                status = getMessagesFromInbox(store, msgList); // closes everything

            } else {
                String msgStr = getResourceString("EMailHelper.UNKNOWN_ACCT_TYPE")// //$NON-NLS-1$
                        + acctTypeStr + getResourceString("EMailHelper.ACCT_TYPE_MUST_BE"); // XXX// //$NON-NLS-2$

                instance.lastErrorMsg = msgStr;
                throw new RuntimeException(msgStr); // XXX FIXME
            }
        } catch (Exception ex) {
            edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
            edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(EMailHelper.class, ex);
            instance.lastErrorMsg = ex.toString();
            status = false;
        }

    } catch (Exception ex) {
        edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(EMailHelper.class, ex);
        instance.lastErrorMsg = ex.toString();
        status = false;
    }
    return status;
}

From source file:org.cbio.portal.pipelines.foundation.CnaDataWriter.java

@Override
public void write(List<? extends String> items) throws Exception {
    writeList.clear();
    List<String> writeList = new ArrayList<String>();
    for (String result : items) {
        writeList.add(result);//from   w ww  .  j a v  a 2 s .c o m
    }
    flatFileItemWriter.write(writeList);
}

From source file:org.cbio.portal.pipelines.foundation.ClinicalDataWriter.java

@Override
public void write(List<? extends CompositeResultBean> items) throws Exception {
    writeList.clear();
    List<String> writeList = new ArrayList<>();
    for (CompositeResultBean result : items) {
        writeList.add(result.getClinicalDataResult());
    }//from   w  ww.  j  a va2  s  . co  m
    flatFileItemWriter.write(writeList);
}