@Override
	protected boolean refresh(DBRecord record) {
		address = codeMgr.getAddressMap().decodeAddress(addr);
		endAddr = null;
		commentRec = null;
		checkedComments = false;
		bytes = null;
		return !hasBeenDeleted(record);
	}
Construct a new CodeUnitDB
@param codeMgr code manager that created this codeUnit.
@param cache CodeUnitDB cache
@param cacheKey the cache key (dataComponent does not use the address)
@param address min address of this code unit
@param addr index for min address
@param length the length of the codeunit.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/CodeUnitDB.java