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

Example 66 with IonStruct

use of com.amazon.ion.IonStruct in project amazon-qldb-dmv-sample-java by aws-samples.

the class GetBlock method main.

public static void main(String[] args) {
    try {
        List<IonStruct> results = ConnectToLedger.getDriver().execute(txn -> {
            final String vin = SampleData.VEHICLES.get(1).getVin();
            return GetRevision.queryRegistrationsByVin(txn, vin);
        });
        BlockAddress blockAddress = Constants.MAPPER.readValue(results.get(0), QldbRevision.class).getBlockAddress();
        verifyBlock(Constants.LEDGER_NAME, blockAddress);
    } catch (Exception e) {
        log.error("Unable to query vehicle registration by Vin.", e);
    }
}

Example 67 with IonStruct

use of com.amazon.ion.IonStruct in project amazon-qldb-dmv-sample-java by aws-samples.

the class InsertIonTypes method main.

public static void main(final String... args) {
    final IonBlob ionBlob = Constants.SYSTEM.newBlob("hello".getBytes());
    final IonBool ionBool = Constants.SYSTEM.newBool(true);
    final IonClob ionClob = Constants.SYSTEM.newClob("{{'This is a CLOB of text.'}}".getBytes());
    final IonDecimal ionDecimal = Constants.SYSTEM.newDecimal(0.1);
    final IonFloat ionFloat = Constants.SYSTEM.newFloat(0.2);
    final IonInt ionInt = Constants.SYSTEM.newInt(1);
    final IonList ionList = Constants.SYSTEM.newList(new int[] { 1, 2 });
    final IonNull ionNull = Constants.SYSTEM.newNull();
    final IonSexp ionSexp = Constants.SYSTEM.newSexp(new int[] { 2, 3 });
    final IonString ionString = Constants.SYSTEM.newString("string");
    final IonStruct ionStruct = Constants.SYSTEM.newEmptyStruct();
    ionStruct.put("brand", Constants.SYSTEM.newString("ford"));
    final IonSymbol ionSymbol = Constants.SYSTEM.newSymbol("abc");
    final IonTimestamp ionTimestamp = Constants.SYSTEM.newTimestamp(Timestamp.now());
    final IonBlob ionNullBlob = Constants.SYSTEM.newNullBlob();
    final IonBool ionNullBool = Constants.SYSTEM.newNullBool();
    final IonClob ionNullClob = Constants.SYSTEM.newNullClob();
    final IonDecimal ionNullDecimal = Constants.SYSTEM.newNullDecimal();
    final IonFloat ionNullFloat = Constants.SYSTEM.newNullFloat();
    final IonInt ionNullInt = Constants.SYSTEM.newNullInt();
    final IonList ionNullList = Constants.SYSTEM.newNullList();
    final IonSexp ionNullSexp = Constants.SYSTEM.newNullSexp();
    final IonString ionNullString = Constants.SYSTEM.newNullString();
    final IonStruct ionNullStruct = Constants.SYSTEM.newNullStruct();
    final IonSymbol ionNullSymbol = Constants.SYSTEM.newNullSymbol();
    final IonTimestamp ionNullTimestamp = Constants.SYSTEM.newNullTimestamp();
    ConnectToLedger.getDriver().execute(txn -> {
        CreateTable.createTable(txn, TABLE_NAME);
        final Document document = new Document(Constants.SYSTEM.newString("val"));
        InsertDocument.insertDocuments(txn, TABLE_NAME, Collections.singletonList(document));
        updateRecordAndVerifyType(txn, ionBlob);
        updateRecordAndVerifyType(txn, ionBool);
        updateRecordAndVerifyType(txn, ionClob);
        updateRecordAndVerifyType(txn, ionDecimal);
        updateRecordAndVerifyType(txn, ionFloat);
        updateRecordAndVerifyType(txn, ionInt);
        updateRecordAndVerifyType(txn, ionList);
        updateRecordAndVerifyType(txn, ionNull);
        updateRecordAndVerifyType(txn, ionSexp);
        updateRecordAndVerifyType(txn, ionString);
        updateRecordAndVerifyType(txn, ionStruct);
        updateRecordAndVerifyType(txn, ionSymbol);
        updateRecordAndVerifyType(txn, ionTimestamp);
        updateRecordAndVerifyType(txn, ionNullBlob);
        updateRecordAndVerifyType(txn, ionNullBool);
        updateRecordAndVerifyType(txn, ionNullClob);
        updateRecordAndVerifyType(txn, ionNullDecimal);
        updateRecordAndVerifyType(txn, ionNullFloat);
        updateRecordAndVerifyType(txn, ionNullInt);
        updateRecordAndVerifyType(txn, ionNullList);
        updateRecordAndVerifyType(txn, ionNullSexp);
        updateRecordAndVerifyType(txn, ionNullString);
        updateRecordAndVerifyType(txn, ionNullStruct);
        updateRecordAndVerifyType(txn, ionNullSymbol);
        updateRecordAndVerifyType(txn, ionNullTimestamp);
        deleteTable(txn, TABLE_NAME);
    });
}

Example 68 with IonStruct

use of com.amazon.ion.IonStruct in project amazon-qldb-dmv-sample-java by aws-samples.

the class QldbRevision method verifyRevisionHash.

/**
 * Throws an IllegalArgumentException if the hash of the revision data and metadata
 * does not match the hash provided by QLDB with the revision.
 */
public void verifyRevisionHash() {
    // the journal block.
    if (blockAddress == null || metadata == null || data == null) {
        return;
    }
    try {
        IonStruct metadataIon = (IonStruct) Constants.MAPPER.writeValueAsIonValue(metadata);
        verifyRevisionHash(metadataIon, data, hash);
    } catch (IOException e) {
        throw new IllegalArgumentException("Could not encode revision metadata to ion.", e);
    }
}