Examples with Metadata datawave.webservice.query.result.event.Metadata used on opensource projects

Example 16 with Metadata

use of datawave.webservice.query.result.event.Metadata in project datawave by NationalSecurityAgency.

the class EventQueryTransformer method transform.

@Override
public EventBase transform(Entry<Key, Value> entry) {
    Key key = entry.getKey();
    Value val = entry.getValue();
    if (entry.getKey() == null && entry.getValue() == null)
        return null;
    if (null == entry.getKey() || null == entry.getValue()) {
        throw new IllegalArgumentException("Null key or value. Key:" + entry.getKey() + ", Value: " + entry.getValue());
    }
    EventBase event = this.responseObjectFactory.getEvent();
    Map<String, String> markings = null;
    try {
        markings = this.markingFunctions.translateFromColumnVisibilityForAuths(new ColumnVisibility(key.getColumnVisibility()), this.auths);
    } catch (Exception e) {
        log.error("could not translate " + key.getColumnVisibility() + " to markings, skipping entry");
        return null;
    }
    if (null == markings || markings.isEmpty()) {
        // can't process this one because we did not have valid security markings
        log.error("Transformer visibility interpreter was null, skipping entry");
        return null;
    }
    ByteArrayInputStream bais = new ByteArrayInputStream(entry.getValue().get());
    Input i = new Input(bais);
    eventFields = kryo.readObject(i, EventFields.class);
    i.close();
    String row = entry.getKey().getRow().toString();
    String colf = entry.getKey().getColumnFamily().toString();
    String colq = entry.getKey().getColumnQualifier().toString();
    // evaluated by using the returnUidMapper (@see datawave.core.iterators.EvaluatingIterator: aggregateAltEvent)
    if (!colq.equals("")) {
        colf = colq;
    }
    int sepIndex = colf.indexOf(Constants.NULL_BYTE_STRING);
    String baseUid = colf.substring(sepIndex + 1);
    Set<FieldBase<?>> values = new HashSet<>();
    String origFieldName = null;
    String fieldName = null;
    // Hold unique Column Visibilities and merge them at the end
    // for the overall event ColumnVisibility.
    Set<ColumnVisibility> visibilitiesToMerge = new HashSet<>();
    for (Entry<String, Collection<FieldValue>> e : eventFields.asMap().entrySet()) {
        origFieldName = e.getKey();
        if (this.qm != null) {
            fieldName = this.qm.aliasFieldNameReverseModel(origFieldName);
        } else {
            fieldName = origFieldName;
        }
        for (FieldValue fv : e.getValue()) {
            visibilitiesToMerge.add(fv.getVisibility());
            try {
                Map<String, String> fieldMarkings = this.markingFunctions.translateFromColumnVisibility(fv.getVisibility());
                String value = new String(fv.getValue(), Charset.forName("UTF-8"));
                // if this is a content field name, then replace the value with the uid
                if (getContentFieldNames().contains(fieldName)) {
                    value = baseUid;
                }
                values.add(this.makeField(fieldName, fieldMarkings, new String(fv.getVisibility().getExpression()), entry.getKey().getTimestamp(), value));
            } catch (Exception e1) {
                throw new RuntimeException("could not make markings from: " + fv.getVisibility());
            }
        }
    }
    ColumnVisibility columnVisibility = null;
    try {
        columnVisibility = this.markingFunctions.combine(visibilitiesToMerge);
        event.setMarkings(this.markingFunctions.translateFromColumnVisibility(columnVisibility));
    } catch (Exception e1) {
        throw new RuntimeException("could not make markings from: " + columnVisibility);
    }
    event.setFields(new ArrayList<>(values));
    Metadata metadata = new Metadata();
    String[] colfParts = StringUtils.split(colf, '\0');
    if (colfParts.length >= 1) {
        metadata.setDataType(colfParts[0]);
    }
    if (colfParts.length >= 2) {
        metadata.setInternalId(colfParts[1]);
    }
    if (this.tableName != null) {
        metadata.setTable(this.tableName);
    }
    metadata.setRow(row);
    event.setMetadata(metadata);
    if (eventQueryDataDecoratorTransformer != null) {
        event = (EventBase<?, ?>) eventQueryDataDecoratorTransformer.transform(event);
    }
    // assign an estimate of the event size
    // in practice this is about 6 times the size of the kryo bytes
    event.setSizeInBytes(entry.getValue().getSize() * 6);
    return event;
}

Example 17 with Metadata

use of datawave.webservice.query.result.event.Metadata in project datawave by NationalSecurityAgency.

the class EventQueryTransformerSupport method readFromCache.

@Override
public List<Object> readFromCache(List<CacheableQueryRow> cacheableQueryRowList) {
    List<Object> eventList = new ArrayList<>();
    for (CacheableQueryRow cqr : cacheableQueryRowList) {
        Map<String, String> markings = cqr.getMarkings();
        String dataType = cqr.getDataType();
        String internalId = cqr.getEventId();
        String row = cqr.getRow();
        EventBase event = this.responseObjectFactory.getEvent();
        event.setMarkings(markings);
        Metadata metadata = new Metadata();
        metadata.setDataType(dataType);
        metadata.setInternalId(internalId);
        metadata.setRow(row);
        metadata.setTable(logic.getTableName());
        event.setMetadata(metadata);
        List<FieldBase<?>> fieldList = new ArrayList<>();
        Map<String, String> columnValueMap = cqr.getColumnValues();
        for (Entry<String, String> entry : columnValueMap.entrySet()) {
            String columnName = entry.getKey();
            String columnValue = entry.getValue();
            Map<String, String> columnMarkings = cqr.getColumnMarkings(columnName);
            String columnVisibility = cqr.getColumnVisibility(columnName);
            Long columnTimestamp = cqr.getColumnTimestamp(columnName);
            FieldBase<?> field = this.makeField(columnName, columnMarkings, columnVisibility, columnTimestamp, columnValue);
            fieldList.add(field);
        }
        event.setFields(fieldList);
        eventList.add(event);
    }
    return eventList;
}

Example 18 with Metadata

use of datawave.webservice.query.result.event.Metadata in project datawave by NationalSecurityAgency.

the class EventQueryTransformerSupport method writeToCache.

@Override
public List<CacheableQueryRow> writeToCache(Object o) throws QueryException {
    List<CacheableQueryRow> cqoList = new ArrayList<>();
    EventBase<?, ?> event = (EventBase<?, ?>) o;
    CacheableQueryRow cqo = this.responseObjectFactory.getCacheableQueryRow();
    Metadata metadata = event.getMetadata();
    cqo.setColFam(metadata.getDataType() + ":" + cqo.getEventId());
    cqo.setDataType(metadata.getDataType());
    cqo.setEventId(metadata.getInternalId());
    cqo.setRow(metadata.getRow());
    List<? extends FieldBase<?>> fields = event.getFields();
    for (FieldBase<?> f : fields) {
        cqo.addColumn(f.getName(), f.getTypedValue(), f.getMarkings(), f.getColumnVisibility(), f.getTimestamp());
    }
    cqoList.add(cqo);
    return cqoList;
}

Example 19 with Metadata

use of datawave.webservice.query.result.event.Metadata in project datawave by NationalSecurityAgency.

the class ContentQueryTransformer method transform.

@Override
public DefaultEvent transform(Entry<Key, Value> entry) {
    if (entry.getKey() == null && entry.getValue() == null)
        return null;
    if (null == entry.getKey() || null == entry.getValue()) {
        throw new IllegalArgumentException("Null key or value. Key:" + entry.getKey() + ", Value: " + entry.getValue());
    }
    ContentKeyValue ckv;
    try {
        ckv = ContentKeyValueFactory.parse(entry.getKey(), entry.getValue(), auths, markingFunctions);
    } catch (Exception e1) {
        throw new IllegalArgumentException("Unable to parse visibility", e1);
    }
    DefaultEvent e = new DefaultEvent();
    DefaultField field = new DefaultField();
    e.setMarkings(ckv.getMarkings());
    Metadata m = new Metadata();
    m.setRow(ckv.getShardId());
    m.setDataType(ckv.getDatatype());
    m.setInternalId(ckv.getUid());
    e.setMetadata(m);
    field.setMarkings(ckv.getMarkings());
    field.setName(ckv.getViewName());
    field.setTimestamp(entry.getKey().getTimestamp());
    field.setValue(ckv.getContents());
    List<DefaultField> fields = new ArrayList<>();
    fields.add(field);
    e.setFields(fields);
    return e;
}

Example 20 with Metadata

use of datawave.webservice.query.result.event.Metadata in project datawave by NationalSecurityAgency.

the class LookupUUIDUtil method createContentQueryStrings.

/*
     * Create contentQuery strings based on the specified events, if any. A contentQuery string from one event would look like the following example: <p>
     * "DOCUMENT:shardId/datatype/uid" <p> <b>Note:</b> An attempt was made to concatenate multiple events into a single OR'd expression, but the
     * ContentQueryTable only supports one term at a time.
     * 
     * @param eventResponse the response from the UUID query
     * 
     * @return a list of batched content query strings
     */
private List<StringBuilder> createContentQueryStrings(final EventQueryResponseBase eventResponse) {
    // Initialize a flag that can be flipped to support multi-term ContentQueryTable expressions
    // at some unknown point in the future
    boolean multiTermExpressionsSupported = true;
    // Declare the returned list of query strings
    final List<StringBuilder> contentQueryStrings;
    // Build query strings based on an optimized all-event response
    if (eventResponse instanceof AllEventMockResponse) {
        final AllEventMockResponse allEventResponse = (AllEventMockResponse) eventResponse;
        final AbstractUUIDLookupCriteria validatedCriteria = allEventResponse.getLookupCriteria();
        contentQueryStrings = this.createContentQueryStrings(validatedCriteria, multiTermExpressionsSupported);
    } else // Otherwise, handle "normally" built query strings
    {
        // Create the list
        contentQueryStrings = new LinkedList<>();
        // Get the entire list of queried events
        final List<EventBase> unbatchedEvents = eventResponse.getEvents();
        // Iterate through the unbatched events and fill the batched set of query strings
        StringBuilder contentQuery = null;
        int eventCounter = 0;
        for (final EventBase<?, ?> event : unbatchedEvents) {
            // Get the event's shard table info
            final Metadata metadata = event.getMetadata();
            final String row = metadata.getRow();
            final String dataType = metadata.getDataType();
            final String internalId = metadata.getInternalId();
            // Increment the counter
            eventCounter++;
            // Conditionally initialize a new query string and the event counter
            if ((null == contentQuery) || (!multiTermExpressionsSupported) || ((this.maxAllowedBatchLookupUUIDs > 0) && (eventCounter > this.maxAllowedBatchLookupUUIDs))) {
                contentQuery = new StringBuilder();
                contentQueryStrings.add(contentQuery);
                eventCounter = 1;
            } else // Conditionally append an OR operator
            if (contentQuery.length() > 0) {
                contentQuery.append(SPACE);
            }
            // Append the content query criteria
            contentQuery.append(DOCUMENT_FIELD_NAME).append(row);
            contentQuery.append(FORWARD_SLASH).append(dataType);
            contentQuery.append(FORWARD_SLASH).append(internalId);
        }
    }
    return contentQueryStrings;
}