Examples with ClobImpl org.teiid.core.types.ClobImpl used on opensource projects

Example 6 with ClobImpl

use of org.teiid.core.types.ClobImpl in project teiid by teiid.

the class GeometryUtils method geometryToGml.

public static ClobType geometryToGml(CommandContext ctx, GeometryType geometry, boolean withGmlPrefix) throws FunctionExecutionException {
    Geometry jtsGeometry = getGeometry(geometry);
    GMLWriter writer = new GMLWriter();
    if (!withGmlPrefix) {
        if (geometry.getSrid() != SRID_4326) {
            if (geometry.getSrid() == GeometryType.UNKNOWN_SRID) {
                throw new FunctionExecutionException(QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31161));
            }
            jtsGeometry = GeometryTransformUtils.transform(ctx, jtsGeometry, SRID_4326);
        }
        writer.setPrefix(null);
    } else if (geometry.getSrid() != GeometryType.UNKNOWN_SRID) {
    // TODO: should include the srsName
    // writer.setSrsName(String.valueOf(geometry.getSrid()));
    }
    String gmlText = writer.write(jtsGeometry);
    return new ClobType(new ClobImpl(gmlText));
}

Example 7 with ClobImpl

use of org.teiid.core.types.ClobImpl in project teiid by teiid.

the class JSONFunctionMethods method jsonParse.

@TeiidFunction(category = FunctionCategoryConstants.JSON)
public static ClobType jsonParse(BlobType val, boolean wellformed) throws SQLException, IOException, ParseException {
    InputStreamReader r = XMLSystemFunctions.getJsonReader(val);
    try {
        if (!wellformed) {
            JSONParser parser = new JSONParser();
            parser.parse(r, validatingContentHandler);
        }
        ClobImpl clobImpl = new ClobImpl();
        clobImpl.setStreamFactory(new InputStreamFactory.BlobInputStreamFactory(val.getReference()));
        clobImpl.setEncoding(r.getEncoding());
        ClobType ct = new ClobType(clobImpl);
        ct.setType(Type.JSON);
        return ct;
    } finally {
        r.close();
    }
}

Example 8 with ClobImpl

use of org.teiid.core.types.ClobImpl in project teiid by teiid.

the class TestObjectDecoderInputStream method testReplaceObject.

@Test
public void testReplaceObject() throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectEncoderOutputStream out = new ObjectEncoderOutputStream(new DataOutputStream(baos), 512);
    ClobImpl clob = new ClobImpl(new InputStreamFactory() {

        @Override
        public InputStream getInputStream() throws IOException {
            // $NON-NLS-1$
            return new ReaderInputStream(new StringReader("Clob contents"), Charset.forName(Streamable.ENCODING));
        }
    }, -1);
    out.writeObject(clob);
    ObjectDecoderInputStream in = new ObjectDecoderInputStream(new AccessibleBufferedInputStream(new ByteArrayInputStream(baos.toByteArray()), 1024), Thread.currentThread().getContextClassLoader(), 1024);
    Object result = in.readObject();
    assertTrue(result instanceof ClobImpl);
}

Example 9 with ClobImpl

use of org.teiid.core.types.ClobImpl in project teiid by teiid.

the class TestMongoDBQueryExecution method testGeoFunctionInWhereWithGeometry.

@Test
public void testGeoFunctionInWhereWithGeometry() throws Exception {
    Table table = this.utility.createRuntimeMetadata().getTable("northwind.Categories");
    NamedTable namedTable = new NamedTable("Categories", "g0", table);
    ColumnReference colRef = new ColumnReference(namedTable, "CategoryName", table.getColumnByName("CategoryName"), String.class);
    DerivedColumn col = new DerivedColumn("CategoryName", colRef);
    Select select = new Select();
    select.setDerivedColumns(Arrays.asList(col));
    List<TableReference> tables = new ArrayList<TableReference>();
    tables.add(namedTable);
    select.setFrom(tables);
    final GeometryType geo = GeometryUtils.geometryFromClob(new ClobType(new ClobImpl("POLYGON ((1.0 2.0,3.0 4.0,5.0 6.0,1.0 2.0))")));
    Function function = new // $NON-NLS-1$
    Function(// $NON-NLS-1$
    "mongo.geoWithin", // $NON-NLS-1$
    Arrays.asList(colRef, new Literal(geo, GeometryType.class)), // $NON-NLS-2$
    Boolean.class);
    function.setMetadataObject(getFunctionMethod("mongo.geoWithin"));
    Comparison c = new Comparison(function, new Literal(true, Boolean.class), Comparison.Operator.EQ);
    select.setWhere(c);
    DBCollection dbCollection = helpExecute(select, new String[] { "Categories" }, 2);
    BasicDBObjectBuilder builder = new BasicDBObjectBuilder();
    builder.push("CategoryName");
    // $NON-NLS-1$
    builder.push("$geoWithin");
    // $NON-NLS-1$
    builder.add("$geometry", "{\"type\":\"Polygon\",\"coordinates\":[[[1.0,2.0],[3.0,4.0],[5.0,6.0],[1.0,2.0]]]}");
    BasicDBObject result = new BasicDBObject();
    result.append("CategoryName", "$CategoryName");
    List<DBObject> pipeline = buildArray(new BasicDBObject("$match", builder.get()), new BasicDBObject("$project", result));
    Mockito.verify(dbCollection).aggregate(Mockito.eq(pipeline), Mockito.any(AggregationOptions.class));
}

Example 10 with ClobImpl

use of org.teiid.core.types.ClobImpl in project teiid by teiid.

the class TextTableNode method initReader.

private void initReader() throws ExpressionEvaluationException, BlockedException, TeiidComponentException, TeiidProcessingException {
    setReferenceValues(this.table);
    ClobType file = (ClobType) getEvaluator(Collections.emptyMap()).evaluate(table.getFile(), null);
    if (file == null) {
        return;
    }
    // get the reader
    try {
        // $NON-NLS-1$
        this.systemId = "Unknown";
        if (file.getReference() instanceof ClobImpl) {
            this.systemId = ((ClobImpl) file.getReference()).getStreamFactory().getSystemId();
            if (this.systemId == null) {
                // $NON-NLS-1$
                this.systemId = "Unknown";
            }
        }
        Reader r = file.getCharacterStream();
        if (!(r instanceof BufferedReader)) {
            reader = new BufferedReader(r);
        } else {
            reader = (BufferedReader) r;
        }
    } catch (SQLException e) {
        throw new TeiidProcessingException(QueryPlugin.Event.TEIID30180, e);
    }
    // process the skip field
    if (skip <= 0) {
        return;
    }
    while (textLine < skip) {
        boolean isHeader = textLine == header;
        if (isHeader) {
            StringBuilder line = readLine(DataTypeManager.MAX_STRING_LENGTH * 16, false);
            if (line == null) {
                // just return an empty batch
                reset();
                return;
            }
            processHeader(parseLine(line));
        } else {
            while (readChar() != newLine) {
            }
        }
    }
}