use of org.apache.rya.api.resolver.RyaTypeResolverException in project incubator-rya by apache.
the class WholeRowTripleResolver method deserialize.
@Override
public RyaStatement deserialize(final TABLE_LAYOUT table_layout, final TripleRow tripleRow) throws TripleRowResolverException {
try {
assert tripleRow != null && table_layout != null;
final byte[] row = tripleRow.getRow();
final int firstIndex = Bytes.indexOf(row, DELIM_BYTE);
final int secondIndex = Bytes.lastIndexOf(row, DELIM_BYTE);
final int typeIndex = Bytes.indexOf(row, TYPE_DELIM_BYTE);
final byte[] first = Arrays.copyOf(row, firstIndex);
final byte[] second = Arrays.copyOfRange(row, firstIndex + 1, secondIndex);
final byte[] third = Arrays.copyOfRange(row, secondIndex + 1, typeIndex);
final byte[] type = Arrays.copyOfRange(row, typeIndex, row.length);
final byte[] columnFamily = tripleRow.getColumnFamily();
final boolean contextExists = columnFamily != null && columnFamily.length > 0;
final RyaURI context = (contextExists) ? (new RyaURI(new String(columnFamily, StandardCharsets.UTF_8))) : null;
final byte[] columnQualifier = tripleRow.getColumnQualifier();
final String qualifier = columnQualifier != null && columnQualifier.length > 0 ? new String(columnQualifier, StandardCharsets.UTF_8) : null;
final Long timestamp = tripleRow.getTimestamp();
final byte[] columnVisibility = tripleRow.getColumnVisibility();
final byte[] value = tripleRow.getValue();
switch(table_layout) {
case SPO:
{
final byte[] obj = Bytes.concat(third, type);
return new RyaStatement(new RyaURI(new String(first, StandardCharsets.UTF_8)), new RyaURI(new String(second, StandardCharsets.UTF_8)), RyaContext.getInstance().deserialize(obj), context, qualifier, columnVisibility, value, timestamp);
}
case PO:
{
final byte[] obj = Bytes.concat(second, type);
return new RyaStatement(new RyaURI(new String(third, StandardCharsets.UTF_8)), new RyaURI(new String(first, StandardCharsets.UTF_8)), RyaContext.getInstance().deserialize(obj), context, qualifier, columnVisibility, value, timestamp);
}
case OSP:
{
final byte[] obj = Bytes.concat(first, type);
return new RyaStatement(new RyaURI(new String(second, StandardCharsets.UTF_8)), new RyaURI(new String(third, StandardCharsets.UTF_8)), RyaContext.getInstance().deserialize(obj), context, qualifier, columnVisibility, value, timestamp);
}
}
} catch (final RyaTypeResolverException e) {
throw new TripleRowResolverException(e);
}
throw new TripleRowResolverException("TripleRow[" + tripleRow + "] with Table layout[" + table_layout + "] is not deserializable");
}
use of org.apache.rya.api.resolver.RyaTypeResolverException in project incubator-rya by apache.
the class HashedPoWholeRowTriplePatternStrategy method defineRange.
@Override
public Map.Entry<RdfCloudTripleStoreConstants.TABLE_LAYOUT, ByteRange> defineRange(final RyaURI subject, final RyaURI predicate, final RyaType object, final RyaURI context, final RdfCloudTripleStoreConfiguration conf) throws IOException {
try {
// r(p)(ng)
if (!handles(subject, predicate, object, context)) {
return null;
}
final RyaContext ryaContext = RyaContext.getInstance();
final MessageDigest md = MessageDigest.getInstance("MD5");
final RdfCloudTripleStoreConstants.TABLE_LAYOUT table_layout = RdfCloudTripleStoreConstants.TABLE_LAYOUT.PO;
byte[] start, stop;
if (object != null) {
if (object instanceof RyaRange) {
// p_r(o)
RyaRange rv = (RyaRange) object;
rv = ryaContext.transformRange(rv);
final byte[] objStartBytes = ryaContext.serializeType(rv.getStart())[0];
final byte[] objEndBytes = ryaContext.serializeType(rv.getStop())[0];
final byte[] predBytes = predicate.getData().getBytes(StandardCharsets.UTF_8);
final byte[] predHash = Hex.encodeHexString(md.digest(predBytes)).getBytes(StandardCharsets.UTF_8);
start = Bytes.concat(predHash, DELIM_BYTES, predBytes, DELIM_BYTES, objStartBytes);
stop = Bytes.concat(predHash, DELIM_BYTES, predBytes, DELIM_BYTES, objEndBytes, DELIM_BYTES, LAST_BYTES);
} else {
if (subject != null && subject instanceof RyaRange) {
// po_r(s)
RyaRange ru = (RyaRange) subject;
ru = ryaContext.transformRange(ru);
final byte[] subjStartBytes = ru.getStart().getData().getBytes(StandardCharsets.UTF_8);
final byte[] subjStopBytes = ru.getStop().getData().getBytes(StandardCharsets.UTF_8);
final byte[] predBytes = predicate.getData().getBytes(StandardCharsets.UTF_8);
final byte[] predHash = Hex.encodeHexString(md.digest(predBytes)).getBytes(StandardCharsets.UTF_8);
final byte[] objBytes = ryaContext.serializeType(object)[0];
start = Bytes.concat(predHash, DELIM_BYTES, predBytes, DELIM_BYTES, objBytes, DELIM_BYTES, subjStartBytes);
stop = Bytes.concat(predHash, DELIM_BYTES, predBytes, DELIM_BYTES, objBytes, DELIM_BYTES, subjStopBytes, TYPE_DELIM_BYTES, LAST_BYTES);
} else {
// po
// TODO: There must be a better way than creating multiple byte[]
final byte[] predBytes = predicate.getData().getBytes(StandardCharsets.UTF_8);
final byte[] predHash = Hex.encodeHexString(md.digest(predBytes)).getBytes(StandardCharsets.UTF_8);
final byte[] objBytes = ryaContext.serializeType(object)[0];
start = Bytes.concat(predHash, DELIM_BYTES, predBytes, DELIM_BYTES, objBytes, DELIM_BYTES);
stop = Bytes.concat(start, LAST_BYTES);
}
}
} else {
// p
final byte[] predBytes = predicate.getData().getBytes(StandardCharsets.UTF_8);
final byte[] predHash = Hex.encodeHexString(md.digest(predBytes)).getBytes(StandardCharsets.UTF_8);
start = Bytes.concat(predHash, DELIM_BYTES, predBytes, DELIM_BYTES);
stop = Bytes.concat(start, LAST_BYTES);
}
return new RdfCloudTripleStoreUtils.CustomEntry<RdfCloudTripleStoreConstants.TABLE_LAYOUT, ByteRange>(table_layout, new ByteRange(start, stop));
} catch (final RyaTypeResolverException e) {
throw new IOException(e);
} catch (final NoSuchAlgorithmException e) {
throw new IOException(e);
}
}
use of org.apache.rya.api.resolver.RyaTypeResolverException in project incubator-rya by apache.
the class PoWholeRowTriplePatternStrategy method defineRange.
@Override
public Map.Entry<RdfCloudTripleStoreConstants.TABLE_LAYOUT, ByteRange> defineRange(final RyaURI subject, final RyaURI predicate, final RyaType object, final RyaURI context, final RdfCloudTripleStoreConfiguration conf) throws IOException {
try {
// r(p)(ng)
if (!handles(subject, predicate, object, context)) {
return null;
}
final RyaContext ryaContext = RyaContext.getInstance();
final RdfCloudTripleStoreConstants.TABLE_LAYOUT table_layout = RdfCloudTripleStoreConstants.TABLE_LAYOUT.PO;
byte[] start, stop;
if (object != null) {
if (object instanceof RyaRange) {
// p_r(o)
RyaRange rv = (RyaRange) object;
rv = ryaContext.transformRange(rv);
final byte[] objStartBytes = ryaContext.serializeType(rv.getStart())[0];
final byte[] objEndBytes = ryaContext.serializeType(rv.getStop())[0];
final byte[] predBytes = predicate.getData().getBytes(StandardCharsets.UTF_8);
start = Bytes.concat(predBytes, DELIM_BYTES, objStartBytes);
stop = Bytes.concat(predBytes, DELIM_BYTES, objEndBytes, DELIM_BYTES, LAST_BYTES);
} else {
if (subject != null && subject instanceof RyaRange) {
// po_r(s)
RyaRange ru = (RyaRange) subject;
ru = ryaContext.transformRange(ru);
final byte[] subjStartBytes = ru.getStart().getData().getBytes(StandardCharsets.UTF_8);
final byte[] subjStopBytes = ru.getStop().getData().getBytes(StandardCharsets.UTF_8);
final byte[] predBytes = predicate.getData().getBytes(StandardCharsets.UTF_8);
final byte[] objBytes = ryaContext.serializeType(object)[0];
start = Bytes.concat(predBytes, DELIM_BYTES, objBytes, DELIM_BYTES, subjStartBytes);
stop = Bytes.concat(predBytes, DELIM_BYTES, objBytes, DELIM_BYTES, subjStopBytes, TYPE_DELIM_BYTES, LAST_BYTES);
} else {
// po
// TODO: There must be a better way than creating multiple byte[]
final byte[] objBytes = ryaContext.serializeType(object)[0];
start = Bytes.concat(predicate.getData().getBytes(StandardCharsets.UTF_8), DELIM_BYTES, objBytes, DELIM_BYTES);
stop = Bytes.concat(start, LAST_BYTES);
}
}
} else if (predicate instanceof RyaRange) {
// r(p)
RyaRange rv = (RyaRange) predicate;
rv = ryaContext.transformRange(rv);
start = rv.getStart().getData().getBytes(StandardCharsets.UTF_8);
stop = Bytes.concat(rv.getStop().getData().getBytes(StandardCharsets.UTF_8), DELIM_BYTES, LAST_BYTES);
} else {
// p
start = Bytes.concat(predicate.getData().getBytes(StandardCharsets.UTF_8), DELIM_BYTES);
stop = Bytes.concat(start, LAST_BYTES);
}
return new RdfCloudTripleStoreUtils.CustomEntry<RdfCloudTripleStoreConstants.TABLE_LAYOUT, ByteRange>(table_layout, new ByteRange(start, stop));
} catch (final RyaTypeResolverException e) {
throw new IOException(e);
}
}
use of org.apache.rya.api.resolver.RyaTypeResolverException in project incubator-rya by apache.
the class AccumuloDocIdIndexer method deserializeKey.
private QueryBindingSet deserializeKey(final Key key, final StarQuery sq, final BindingSet currentBs, final Set<String> unCommonVar) {
final QueryBindingSet currentSolutionBs = new QueryBindingSet();
final Text row = key.getRow();
final Text cq = key.getColumnQualifier();
final String[] cqArray = cq.toString().split(DocIndexIteratorUtil.DOC_ID_INDEX_DELIM);
boolean commonVarSet = false;
// if common Var is constant there is no common variable to assign a value to
if (sq.commonVarConstant()) {
commonVarSet = true;
}
if (!commonVarSet && sq.isCommonVarURI()) {
final RyaURI rURI = new RyaURI(row.toString());
currentSolutionBs.addBinding(sq.getCommonVarName(), RyaToRdfConversions.convertValue(rURI));
commonVarSet = true;
}
for (final String s : sq.getUnCommonVars()) {
final byte[] cqBytes = cqArray[sq.getVarPos().get(s)].getBytes(StandardCharsets.UTF_8);
final int firstIndex = Bytes.indexOf(cqBytes, DELIM_BYTE);
final int secondIndex = Bytes.lastIndexOf(cqBytes, DELIM_BYTE);
final int typeIndex = Bytes.indexOf(cqBytes, TYPE_DELIM_BYTE);
final String tripleComponent = new String(Arrays.copyOfRange(cqBytes, firstIndex + 1, secondIndex), StandardCharsets.UTF_8);
final byte[] cqContent = Arrays.copyOfRange(cqBytes, secondIndex + 1, typeIndex);
final byte[] objType = Arrays.copyOfRange(cqBytes, typeIndex, cqBytes.length);
if (tripleComponent.equals("object")) {
final byte[] object = Bytes.concat(cqContent, objType);
org.openrdf.model.Value v = null;
try {
v = RyaToRdfConversions.convertValue(RyaContext.getInstance().deserialize(object));
} catch (final RyaTypeResolverException e) {
e.printStackTrace();
}
currentSolutionBs.addBinding(s, v);
} else if (tripleComponent.equals("subject")) {
if (!commonVarSet) {
final byte[] object = Bytes.concat(row.getBytes(), objType);
org.openrdf.model.Value v = null;
try {
v = RyaToRdfConversions.convertValue(RyaContext.getInstance().deserialize(object));
} catch (final RyaTypeResolverException e) {
e.printStackTrace();
}
currentSolutionBs.addBinding(sq.getCommonVarName(), v);
commonVarSet = true;
}
final RyaURI rURI = new RyaURI(new String(cqContent, StandardCharsets.UTF_8));
currentSolutionBs.addBinding(s, RyaToRdfConversions.convertValue(rURI));
} else {
throw new IllegalArgumentException("Invalid row.");
}
}
for (final String s : unCommonVar) {
currentSolutionBs.addBinding(s, currentBs.getValue(s));
}
return currentSolutionBs;
}
use of org.apache.rya.api.resolver.RyaTypeResolverException in project incubator-rya by apache.
the class WholeRowTripleResolver method serialize.
@Override
public Map<TABLE_LAYOUT, TripleRow> serialize(final RyaStatement stmt) throws TripleRowResolverException {
try {
final RyaURI subject = stmt.getSubject();
final RyaURI predicate = stmt.getPredicate();
final RyaType object = stmt.getObject();
final RyaURI context = stmt.getContext();
final Long timestamp = stmt.getTimestamp();
final byte[] columnVisibility = stmt.getColumnVisibility();
final String qualifer = stmt.getQualifer();
final byte[] qualBytes = qualifer == null ? EMPTY_BYTES : qualifer.getBytes(StandardCharsets.UTF_8);
final byte[] value = stmt.getValue();
assert subject != null && predicate != null && object != null;
final byte[] cf = (context == null) ? EMPTY_BYTES : context.getData().getBytes(StandardCharsets.UTF_8);
final Map<TABLE_LAYOUT, TripleRow> tripleRowMap = new HashMap<TABLE_LAYOUT, TripleRow>();
final byte[] subjBytes = subject.getData().getBytes(StandardCharsets.UTF_8);
final byte[] predBytes = predicate.getData().getBytes(StandardCharsets.UTF_8);
final byte[][] objBytes = RyaContext.getInstance().serializeType(object);
tripleRowMap.put(TABLE_LAYOUT.SPO, new TripleRow(Bytes.concat(subjBytes, DELIM_BYTES, predBytes, DELIM_BYTES, objBytes[0], objBytes[1]), cf, qualBytes, timestamp, columnVisibility, value));
tripleRowMap.put(TABLE_LAYOUT.PO, new TripleRow(Bytes.concat(predBytes, DELIM_BYTES, objBytes[0], DELIM_BYTES, subjBytes, objBytes[1]), cf, qualBytes, timestamp, columnVisibility, value));
tripleRowMap.put(TABLE_LAYOUT.OSP, new TripleRow(Bytes.concat(objBytes[0], DELIM_BYTES, subjBytes, DELIM_BYTES, predBytes, objBytes[1]), cf, qualBytes, timestamp, columnVisibility, value));
return tripleRowMap;
} catch (final RyaTypeResolverException e) {
throw new TripleRowResolverException(e);
}
}
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