Examples with IonStruct com.amazon.ion.IonStruct used on opensource projects

Example 31 with IonStruct

use of com.amazon.ion.IonStruct in project jackson-dataformats-binary by FasterXML.

the class IonGeneratorTest method testTreeWriteVerifiesOnce.

@Test
public void testTreeWriteVerifiesOnce() throws Exception {
    final String FIELD = "field";
    // We can test this by writing into a context where only a single object can be written
    joiGenerator.writeStartObject();
    joiGenerator.writeName(FIELD);
    joiGenerator.writeTree(testObjectTree);
    joiGenerator.writeEndObject();
    // to try to trigger [dataformats-binary#248]
    joiGenerator.close();
    joiGenerator.close();
    final IonStruct struct = (IonStruct) output.get(0);
    assertThat(struct.get(FIELD), is(testObjectIon));
}

Example 32 with IonStruct

use of com.amazon.ion.IonStruct in project jackson-dataformats-binary by FasterXML.

the class IonGeneratorTest method testObjectWriteVerifiesOnce.

@Test
public void testObjectWriteVerifiesOnce() throws Exception {
    final String FIELD = "field";
    // We can test this by writing into a context where only a single object can be written
    joiGenerator.writeStartObject();
    joiGenerator.writeName(FIELD);
    joiGenerator.writePOJO(testObject);
    joiGenerator.writeEndObject();
    final IonStruct struct = (IonStruct) output.get(0);
    assertThat(struct.get(FIELD), is(testObjectIon));
}

Example 33 with IonStruct

use of com.amazon.ion.IonStruct in project jackson-dataformats-binary by FasterXML.

the class SimpleIonWriteTest method initializeExpectedDatagram.

@Before
public void initializeExpectedDatagram() {
    IonStruct struct = ion.newEmptyStruct();
    struct.add("a").newString("value");
    struct.add("b").newInt(42);
    struct.add("c").newNull(IonType.INT);
    expected = ion.newDatagram();
    expected.add(struct);
}

Example 34 with IonStruct

use of com.amazon.ion.IonStruct in project jackson-dataformats-binary by FasterXML.

the class DataBindWriteTest method initializeExpectedMyBean.

@Before
public void initializeExpectedMyBean() {
    expectedMyBean = ion.newDatagram();
    IonStruct struct = ion.newEmptyStruct();
    struct.add("a").newString("value");
    struct.add("b").newInt(42);
    expectedMyBean = ion.newDatagram();
    expectedMyBean.add(struct);
}

Example 35 with IonStruct

use of com.amazon.ion.IonStruct in project ion-hive-serde by amzn.

the class IonHiveSerDe method deserialize.

@Override
public Object deserialize(final Writable blob) throws SerDeException {
    final byte[] bytes;
    final int length;
    // TextFormat which produces Text
    if (blob instanceof Text) {
        Text text = (Text) blob;
        // getBytes returns a reference to the current buffer which is only valid up to length
        bytes = text.getBytes();
        length = text.getLength();
    } else if (blob instanceof BytesWritable) {
        BytesWritable bytesWritable = (BytesWritable) blob;
        // getBytes returns a reference to the current buffer which is only valid up to length
        bytes = bytesWritable.getBytes();
        length = bytesWritable.getLength();
    } else {
        throw new SerDeException("Invalid Writable instance, must be either Text or BytesWritable, was " + blob.getClass());
    }
    final IonSystem domFactory = ionFactory.getDomFactory();
    try (final IonReader reader = ionFactory.newReader(bytes, 0, length)) {
        /*
                We're using an IonStruct here because:
                1. We need a key-value store to carry column values
                2. The top-level IonStruct as a context object carries the IonSystem which we use as a ValueFactory in
                   the callbacks created in PathExtractionConfig
                Refer to https://github.com/amzn/ion-hive-serde/issues/61.
            */
        IonStruct struct = domFactory.newEmptyStruct();
        if (!serDeProperties.pathExtractorCaseSensitivity()) {
            struct = new IonStructCaseInsensitiveDecorator(struct);
        }
        final PathExtractor<IonStruct> pathExtractor = serDeProperties.pathExtractor();
        pathExtractor.match(reader, struct);
        return struct;
    } catch (IonException e) {
        // skips if ignoring malformed
        if (serDeProperties.getIgnoreMalformed()) {
            return null;
        }
        throw e;
    } catch (IOException e) {
        throw new SerDeException(e);
    }
}