dsmiley commented on a change in pull request #455: SOLR-12638
URL: https://github.com/apache/lucene-solr/pull/455#discussion_r272887687
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File path: solr/core/src/java/org/apache/solr/schema/IndexSchema.java
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@@ -1959,6 +1959,21 @@ public boolean isUsableForChildDocs() {
rootType.getTypeName().equals(uniqueKeyFieldType.getTypeName()));
}
+ /**
+ * Helper method that returns <code>true</code> if the {@link
#ROOT_FIELD_NAME} uses the exact
+ * same 'type' as the {@link #getUniqueKeyField()} and has {@link
#NEST_PATH_FIELD_NAME}
+ * defined as a {@link NestPathField}
+ * @lucene.internal
+ */
+ public boolean savesChildDocRelations() {
+ //TODO make this boolean a field so it needn't be looked up each time?
+ if (!isUsableForChildDocs()) {
+ return false;
+ }
+ FieldType nestPathType = getFieldTypeNoEx(NEST_PATH_FIELD_NAME);
+ return null != nestPathType &&
nestPathType.getClass().equals(NestPathField.class);
Review comment:
if you do "instanceof NestPathField" it allows advanced users to subclass
which is nicer.
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