public byte[] toJsonBytes() {
try {
ByteArrayBuilder bb = new ByteArrayBuilder(JsonFormat.JSON_FACTORY._getBufferRecycler());
JsonGenerator gen = JsonFormat.JSON_FACTORY.createJsonGenerator(bb, JsonEncoding.UTF8);
toJson(gen);
byte[] result = bb.toByteArray();
bb.release();
return result;
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public String toJson() {
try {
StringWriter writer = new StringWriter();
JsonGenerator gen = JsonFormat.JSON_FACTORY.createJsonGenerator(writer);
toJson(gen);
return writer.toString();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
/** Creates a record event from the json data supplied as bytes. */
public RecordEvent(byte[] data, IdGenerator idGenerator) throws IOException {
// Using streaming JSON parsing for performance. We expect the JSON to be correct, validation
// is absent/minimal.
JsonParser jp = JsonFormat.JSON_FACTORY.createJsonParser(data);
JsonToken current;
current = jp.nextToken();
if (current != JsonToken.START_OBJECT) {
throw new RuntimeException("Not a JSON object.");
}
while (jp.nextToken() != JsonToken.END_OBJECT) {
String fieldName = jp.getCurrentName();
current = jp.nextToken(); // move from field name to field value
if (fieldName.equals("type")) {
String messageType = jp.getText();
if (messageType.equals(Type.CREATE.getName())) {
type = Type.CREATE;
} else if (messageType.equals(Type.DELETE.getName())) {
type = Type.DELETE;
} else if (messageType.equals(Type.UPDATE.getName())) {
type = Type.UPDATE;
} else if (messageType.equals(Type.INDEX.getName())) {
type = Type.INDEX;
} else {
throw new RuntimeException("Unexpected kind of message type: " + messageType);
}
} else if (fieldName.equals("tableName")) {
this.tableName = jp.getText();
} else if (fieldName.equals("versionCreated")) {
versionCreated = jp.getLongValue();
} else if (fieldName.equals("versionUpdated")) {
versionUpdated = jp.getLongValue();
} else if (fieldName.equals("recordTypeChanged")) {
recordTypeChanged = jp.getBooleanValue();
} else if (fieldName.equals("updatedFields")) {
if (current != JsonToken.START_ARRAY) {
throw new RuntimeException("updatedFields is not a JSON array");
}
while (jp.nextToken() != JsonToken.END_ARRAY) {
addUpdatedField(idGenerator.getSchemaId(jp.getBinaryValue()));
}
} else if (fieldName.equals("vtagsToIndex")) {
if (current != JsonToken.START_ARRAY) {
throw new RuntimeException("vtagsToIndex is not a JSON array");
}
while (jp.nextToken() != JsonToken.END_ARRAY) {
addVTagToIndex(idGenerator.getSchemaId(jp.getBinaryValue()));
}
} else if (fieldName.equals("attributes")) {
if (current != JsonToken.START_OBJECT) {
throw new RuntimeException("Attributes is not a JSON object");
}
this.attributes = new HashMap<String, String>();
while (jp.nextToken() != JsonToken.END_OBJECT) {
String key = jp.getCurrentName();
String value = jp.getText();
attributes.put(key, value);
}
} else if (fieldName.equals("indexFilterData")) {
this.indexRecordFilterData = new IndexRecordFilterData(jp, idGenerator);
}
}
}