@Override
public void parse(ParseContext context) throws IOException {
XContentParser parser = context.parser();
XContentParser.Token token = parser.currentToken();
String surfaceForm = null;
BytesRef payload = null;
long weight = -1;
List<String> inputs = Lists.newArrayListWithExpectedSize(4);
if (token == XContentParser.Token.VALUE_STRING) {
inputs.add(parser.text());
} else {
String currentFieldName = null;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if ("payload".equals(currentFieldName)) {
if (!isStoringPayloads()) {
throw new MapperException("Payloads disabled in mapping");
}
if (token == XContentParser.Token.START_OBJECT) {
XContentBuilder payloadBuilder =
XContentFactory.contentBuilder(parser.contentType()).copyCurrentStructure(parser);
payload = payloadBuilder.bytes().toBytesRef();
payloadBuilder.close();
}
} else if (token == XContentParser.Token.VALUE_STRING) {
if ("output".equals(currentFieldName)) {
surfaceForm = parser.text();
}
if ("input".equals(currentFieldName)) {
inputs.add(parser.text());
}
} else if (token == XContentParser.Token.VALUE_NUMBER) {
if ("weight".equals(currentFieldName)) {
weight =
parser.longValue(); // always parse a long to make sure we don't get the overflow
// value
if (weight < 0 || weight > Integer.MAX_VALUE) {
throw new ElasticSearchIllegalArgumentException(
"Weight must be in the interval [0..2147483647] but was " + weight);
}
}
} else if (token == XContentParser.Token.START_ARRAY) {
if ("input".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
inputs.add(parser.text());
}
}
}
}
}
payload = payload == null ? EMPTY : payload;
if (surfaceForm == null) { // no surface form use the input
for (String input : inputs) {
BytesRef suggestPayload =
analyzingSuggestLookupProvider.buildPayload(new BytesRef(input), weight, payload);
context.doc().add(getCompletionField(input, suggestPayload));
}
} else {
BytesRef suggestPayload =
analyzingSuggestLookupProvider.buildPayload(new BytesRef(surfaceForm), weight, payload);
for (String input : inputs) {
context.doc().add(getCompletionField(input, suggestPayload));
}
}
}
public BytesRef buildPayload(BytesRef surfaceForm, long weight, BytesRef payload)
throws IOException {
return analyzingSuggestLookupProvider.buildPayload(surfaceForm, weight, payload);
}
@Override
public void parse(ParseContext context) throws IOException {
XContentParser parser = context.parser();
XContentParser.Token token = parser.currentToken();
String surfaceForm = null;
BytesRef payload = null;
long weight = -1;
List<String> inputs = Lists.newArrayListWithExpectedSize(4);
SortedMap<String, ContextConfig> contextConfig = null;
if (token == XContentParser.Token.VALUE_STRING) {
inputs.add(parser.text());
multiFields.parse(this, context);
} else {
String currentFieldName = null;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
if (!ALLOWED_CONTENT_FIELD_NAMES.contains(currentFieldName)) {
throw new ElasticsearchIllegalArgumentException(
"Unknown field name["
+ currentFieldName
+ "], must be one of "
+ ALLOWED_CONTENT_FIELD_NAMES);
}
} else if (Fields.CONTEXT.equals(currentFieldName)) {
SortedMap<String, ContextConfig> configs = Maps.newTreeMap();
if (token == Token.START_OBJECT) {
while ((token = parser.nextToken()) != Token.END_OBJECT) {
String name = parser.text();
ContextMapping mapping = contextMapping.get(name);
if (mapping == null) {
throw new ElasticsearchParseException("context [" + name + "] is not defined");
} else {
token = parser.nextToken();
configs.put(name, mapping.parseContext(context, parser));
}
}
contextConfig = Maps.newTreeMap();
for (ContextMapping mapping : contextMapping.values()) {
ContextConfig config = configs.get(mapping.name());
contextConfig.put(mapping.name(), config == null ? mapping.defaultConfig() : config);
}
} else {
throw new ElasticsearchParseException("context must be an object");
}
} else if (Fields.CONTENT_FIELD_NAME_PAYLOAD.equals(currentFieldName)) {
if (!isStoringPayloads()) {
throw new MapperException("Payloads disabled in mapping");
}
if (token == XContentParser.Token.START_OBJECT) {
XContentBuilder payloadBuilder =
XContentFactory.contentBuilder(parser.contentType()).copyCurrentStructure(parser);
payload = payloadBuilder.bytes().toBytesRef();
payloadBuilder.close();
} else if (token.isValue()) {
payload = parser.utf8BytesOrNull();
} else {
throw new MapperException("payload doesn't support type " + token);
}
} else if (token == XContentParser.Token.VALUE_STRING) {
if (Fields.CONTENT_FIELD_NAME_OUTPUT.equals(currentFieldName)) {
surfaceForm = parser.text();
}
if (Fields.CONTENT_FIELD_NAME_INPUT.equals(currentFieldName)) {
inputs.add(parser.text());
}
if (Fields.CONTENT_FIELD_NAME_WEIGHT.equals(currentFieldName)) {
Number weightValue;
try {
weightValue = Long.parseLong(parser.text());
} catch (NumberFormatException e) {
throw new ElasticsearchIllegalArgumentException(
"Weight must be a string representing a numeric value, but was ["
+ parser.text()
+ "]");
}
weight =
weightValue.longValue(); // always parse a long to make sure we don't get overflow
checkWeight(weight);
}
} else if (token == XContentParser.Token.VALUE_NUMBER) {
if (Fields.CONTENT_FIELD_NAME_WEIGHT.equals(currentFieldName)) {
NumberType numberType = parser.numberType();
if (NumberType.LONG != numberType && NumberType.INT != numberType) {
throw new ElasticsearchIllegalArgumentException(
"Weight must be an integer, but was [" + parser.numberValue() + "]");
}
weight = parser.longValue(); // always parse a long to make sure we don't get overflow
checkWeight(weight);
}
} else if (token == XContentParser.Token.START_ARRAY) {
if (Fields.CONTENT_FIELD_NAME_INPUT.equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
inputs.add(parser.text());
}
}
}
}
}
if (contextConfig == null) {
contextConfig = Maps.newTreeMap();
for (ContextMapping mapping : contextMapping.values()) {
contextConfig.put(mapping.name(), mapping.defaultConfig());
}
}
final ContextMapping.Context ctx = new ContextMapping.Context(contextConfig, context.doc());
payload = payload == null ? EMPTY : payload;
if (surfaceForm == null) { // no surface form use the input
for (String input : inputs) {
BytesRef suggestPayload =
analyzingSuggestLookupProvider.buildPayload(new BytesRef(input), weight, payload);
context.doc().add(getCompletionField(ctx, input, suggestPayload));
}
} else {
BytesRef suggestPayload =
analyzingSuggestLookupProvider.buildPayload(new BytesRef(surfaceForm), weight, payload);
for (String input : inputs) {
context.doc().add(getCompletionField(ctx, input, suggestPayload));
}
}
}