chema/SchemaField.html" title="class in org.apache.solr.schema"><code>SchemaField</code></a> instances constructed 
 using this field type to ensure that they are valid.

 <p>
 This method is called by the <code>SchemaField</code> constructor to 
 check that its initialization does not violate any fundemental 
 requirements of the <code>FieldType</code>.  The default implementation 
 does nothing, but subclasses may chose to throw a <a href="../../../../../solr-solrj/org/apache/solr/common/SolrException.htm