Example usage for org.apache.mahout.cf.taste.impl.common LongPrimitiveArrayIterator LongPrimitiveArrayIterator

Introduction

In this page you can find the example usage for org.apache.mahout.cf.taste.impl.common LongPrimitiveArrayIterator LongPrimitiveArrayIterator.

Prototype

public LongPrimitiveArrayIterator(long[] array) 

Source Link

Document

Creates an LongPrimitiveArrayIterator over an entire array.

Usage

From source file:org.zaizi.mahout.alfresco.datamodel.AlfrescoDataModelImpl.java

License:Open Source License

public LongPrimitiveIterator getUserIDs() throws TasteException {
    logger.trace("getUserIds");

    Set<NodeRef> persons = ZaiziAlfrescoServiceUtil.getPersonService().getAllPeople();
    long[] userIds = new long[persons.size()];
    int i = 0;//  w  ww  . j av a  2 s . c o m
    for (NodeRef user : persons) {
        userIds[i] = ZaiziAlfrescoServiceUtil.getNodeId(user);
        i++;
    }

    if (logger.isTraceEnabled()) {
        logger.trace(toList(userIds));
    }

    return new LongPrimitiveArrayIterator(userIds);
}

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From source file:org.zaizi.mahout.alfresco.datamodel.AlfrescoViewedDocumentDataModelImpl.java

License:Open Source License

public synchronized LongPrimitiveIterator getUserIDs() throws TasteException {
    long[] userIds = new long[preferenceFromUsers.size()];
    int i = 0;//from w  w w . java  2 s  .c  o m
    LongPrimitiveIterator it = preferenceFromUsers.keySetIterator();
    while (it.hasNext()) {
        userIds[i++] = it.next();
    }
    Arrays.sort(userIds);
    return new LongPrimitiveArrayIterator(userIds);
}

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From source file:org.zaizi.mahout.alfresco.datamodel.AlfrescoViewedDocumentDataModelImpl.java

License:Open Source License

public synchronized LongPrimitiveIterator getItemIDs() throws TasteException {
    long[] itemIds = new long[preferenceForItems.size()];
    int i = 0;//from  www  . ja  v a 2  s.c o  m
    LongPrimitiveIterator it = preferenceForItems.keySetIterator();
    while (it.hasNext()) {
        itemIds[i++] = it.next();
    }
    Arrays.sort(itemIds);
    return new LongPrimitiveArrayIterator(itemIds);
}

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From source file:org.zaizi.mahout.alfresco.datamodel.MetaversantDataModelImpl.java

License:Open Source License

public LongPrimitiveIterator getUserIDs() throws TasteException {

    logger.trace("getUserIDs");

    Set<NodeRef> persons = ZaiziAlfrescoServiceUtil.getPersonService().getAllPeople();

    long[] userIds = new long[persons.size()];
    int i = 0;/*from ww  w .ja v a 2 s  .  c o  m*/
    for (NodeRef user : persons) {
        userIds[i] = ZaiziAlfrescoServiceUtil.getNodeId(user);
        i++;
    }

    if (logger.isTraceEnabled()) {
        logger.trace("Returning : " + toList(userIds));
    }

    return new LongPrimitiveArrayIterator(userIds);
}

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From source file:org.zaizi.mahout.alfresco.datamodel.MetaversantDataModelImpl.java

License:Open Source License

public LongPrimitiveIterator getItemIDs() throws TasteException {

    logger.trace("getItemIDs");

    SearchParameters searchParams = new SearchParameters();

    searchParams.setQuery(allItemIdsQuery);
    searchParams.addStore(getStoreRef());
    searchParams.setLanguage(SearchService.LANGUAGE_LUCENE);
    //logger.trace(searchParams.getQuery());

    ResultSet results = null;/*  w  ww .j  ava  2s. c om*/
    long[] resultKeys;
    try {
        NodeRef currentNodeRef;
        long itemId;

        results = executeQuery(searchParams);
        resultKeys = new long[results.length()];
        int i = 0;
        for (ResultSetRow row : results) {
            currentNodeRef = row.getNodeRef();
            itemId = ZaiziAlfrescoServiceUtil.getNodeId(currentNodeRef);
            resultKeys[i] = itemId;
            i++;
        }
    } finally {
        if (results != null) {
            results.close();
        }
    }

    if (logger.isTraceEnabled()) {
        logger.trace("Returning : " + toList(resultKeys));
    }

    return new LongPrimitiveArrayIterator(resultKeys);
}

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