@SuppressWarnings("unchecked")
public <IFD extends IndexFieldData<?>> IFD getForField(MappedFieldType fieldType) {
final Names fieldNames = fieldType.names();
final FieldDataType type = fieldType.fieldDataType();
if (type == null) {
throw new IllegalArgumentException(
"found no fielddata type for field [" + fieldNames.fullName() + "]");
}
final boolean docValues = fieldType.hasDocValues();
IndexFieldData.Builder builder = null;
String format = type.getFormat(indexSettings);
if (format != null && FieldDataType.DOC_VALUES_FORMAT_VALUE.equals(format) && !docValues) {
logger.warn(
"field ["
+ fieldNames.fullName()
+ "] has no doc values, will use default field data format");
format = null;
}
if (format != null) {
builder = buildersByTypeAndFormat.get(Tuple.tuple(type.getType(), format));
if (builder == null) {
logger.warn(
"failed to find format ["
+ format
+ "] for field ["
+ fieldNames.fullName()
+ "], will use default");
}
}
if (builder == null && docValues) {
builder = docValuesBuildersByType.get(type.getType());
}
if (builder == null) {
builder = buildersByType.get(type.getType());
}
if (builder == null) {
throw new IllegalArgumentException(
"failed to find field data builder for field "
+ fieldNames.fullName()
+ ", and type "
+ type.getType());
}
IndexFieldDataCache cache;
synchronized (this) {
cache = fieldDataCaches.get(fieldNames.indexName());
if (cache == null) {
// we default to node level cache, which in turn defaults to be unbounded
// this means changing the node level settings is simple, just set the bounds there
String cacheType =
type.getSettings()
.get("cache", indexSettings.get(FIELDDATA_CACHE_KEY, FIELDDATA_CACHE_VALUE_NODE));
if (FIELDDATA_CACHE_VALUE_NODE.equals(cacheType)) {
cache = indicesFieldDataCache.buildIndexFieldDataCache(listener, index, fieldNames, type);
} else if ("none".equals(cacheType)) {
cache = new IndexFieldDataCache.None();
} else {
throw new IllegalArgumentException(
"cache type not supported ["
+ cacheType
+ "] for field ["
+ fieldNames.fullName()
+ "]");
}
fieldDataCaches.put(fieldNames.indexName(), cache);
}
}
return (IFD)
builder.build(index, indexSettings, fieldType, cache, circuitBreakerService, mapperService);
}
