@Override
	protected boolean refresh() {
		try {
			elementLength = -1;
			DBRecord rec = adapter.getRecord(key);
			if (rec != null) {
				record = rec;
				return super.refresh();
			}
		}
		catch (IOException e) {
			dataMgr.dbError(e);
		}
		return false;
	}
Constructor
@param dataMgr
@param cache
@param adapter
@param record
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/ArrayDB.java