private EquateDB getEquateDB(long equateID) throws IOException {
		lock.acquire();
		try {
			EquateDB equateDB = equateCache.get(equateID);
			if (equateDB == null) {
				DBRecord record = equateAdapter.getRecord(equateID);
				if (record != null) {
					equateDB = new EquateDB(this, equateCache, record);
				}
			}
			return equateDB;
		}
		finally {
			lock.release();
		}
	}
Send notification that the equate name changed
@param oldName old name
@param newName new name
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/EquateManager.java