private ImmutableList<ColumnIdent> getPrimaryKey() {
Map<String, Object> metaMap = getNested(defaultMappingMap, "_meta");
if (metaMap != null) {
ImmutableList.Builder<ColumnIdent> builder = ImmutableList.builder();
Object pKeys = metaMap.get("primary_keys");
if (pKeys != null) {
if (pKeys instanceof String) {
builder.add(ColumnIdent.fromPath((String) pKeys));
return builder.build();
} else if (pKeys instanceof Collection) {
Collection keys = (Collection) pKeys;
if (!keys.isEmpty()) {
for (Object pkey : keys) {
builder.add(ColumnIdent.fromPath(pkey.toString()));
}
return builder.build();
}
}
}
}
if (getCustomRoutingCol() == null && partitionedByList.isEmpty()) {
hasAutoGeneratedPrimaryKey = true;
return ImmutableList.of(ID_IDENT);
}
return ImmutableList.of();
}
private void prepareCrateMeta() {
metaMap = getNested(defaultMappingMap, "_meta");
if (metaMap != null) {
indicesMap = getNested(metaMap, "indices");
if (indicesMap == null) {
indicesMap = ImmutableMap.of();
}
metaColumnsMap = getNested(metaMap, "columns");
if (metaColumnsMap == null) {
metaColumnsMap = ImmutableMap.of();
}
partitionedByList = getNested(metaMap, "partitioned_by");
if (partitionedByList == null) {
partitionedByList = ImmutableList.of();
}
} else {
metaMap = new HashMap<>();
indicesMap = new HashMap<>();
metaColumnsMap = new HashMap<>();
partitionedByList = ImmutableList.of();
}
}