use of org.apache.lucene.queryparser.flexible.core.nodes.FieldableNode in project lucene-solr by apache.
the class UniqueFieldQueryNodeProcessor method preProcessNode.
@Override
protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException {
if (node instanceof FieldableNode) {
FieldableNode fieldNode = (FieldableNode) node;
QueryConfigHandler queryConfig = getQueryConfigHandler();
if (queryConfig == null) {
throw new IllegalArgumentException("A config handler is expected by the processor UniqueFieldQueryNodeProcessor!");
}
if (!queryConfig.has(SpansQueryConfigHandler.UNIQUE_FIELD)) {
throw new IllegalArgumentException("UniqueFieldAttribute should be defined in the config handler!");
}
String uniqueField = queryConfig.get(SpansQueryConfigHandler.UNIQUE_FIELD);
fieldNode.setField(uniqueField);
}
return node;
}
use of org.apache.lucene.queryparser.flexible.core.nodes.FieldableNode in project lucene-solr by apache.
the class BoostQueryNodeProcessor method postProcessNode.
@Override
protected QueryNode postProcessNode(QueryNode node) throws QueryNodeException {
if (node instanceof FieldableNode && (node.getParent() == null || !(node.getParent() instanceof FieldableNode))) {
FieldableNode fieldNode = (FieldableNode) node;
QueryConfigHandler config = getQueryConfigHandler();
if (config != null) {
CharSequence field = fieldNode.getField();
FieldConfig fieldConfig = config.getFieldConfig(StringUtils.toString(field));
if (fieldConfig != null) {
Float boost = fieldConfig.get(ConfigurationKeys.BOOST);
if (boost != null) {
return new BoostQueryNode(node, boost);
}
}
}
}
return node;
}
use of org.apache.lucene.queryparser.flexible.core.nodes.FieldableNode in project lucene-solr by apache.
the class MultiFieldQueryNodeProcessor method preProcessNode.
@Override
protected QueryNode preProcessNode(QueryNode node) throws QueryNodeException {
if (node instanceof FieldableNode) {
this.processChildren = false;
FieldableNode fieldNode = (FieldableNode) node;
if (fieldNode.getField() == null) {
CharSequence[] fields = getQueryConfigHandler().get(ConfigurationKeys.MULTI_FIELDS);
if (fields == null) {
throw new IllegalArgumentException("StandardQueryConfigHandler.ConfigurationKeys.MULTI_FIELDS should be set on the QueryConfigHandler");
}
if (fields != null && fields.length > 0) {
fieldNode.setField(fields[0]);
if (fields.length == 1) {
return fieldNode;
} else {
List<QueryNode> children = new ArrayList<>(fields.length);
children.add(fieldNode);
for (int i = 1; i < fields.length; i++) {
try {
fieldNode = (FieldableNode) fieldNode.cloneTree();
fieldNode.setField(fields[i]);
children.add(fieldNode);
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e);
}
}
return new GroupQueryNode(new OrQueryNode(children));
}
}
}
}
return node;
}
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