private void getTablesWithNoPK()

in rdb/src/main/java/org/apache/tuscany/das/rdb/graphbuilder/impl/ResultSetRow.java [203:260]
51 lines of code
19 McCabe index (conditional complexity)

    private void getTablesWithNoPK(){
        //case when result set omits PK column, take care of compound PKs too
        boolean tableRSHasPK;
        Iterator itr = allTableNames.iterator();
        while(itr.hasNext()){
        	tableRSHasPK = false;
        	String currentTableName = (String)itr.next();
        	HashSet pks = metadata.getAllPKsForTable(currentTableName);
        	HashSet pksInRS = new HashSet();
        	for(int j=1; j<=resultSetSize; j++){
            	if(currentTableName.equals(tablePropertyNames[j]) &&
            			isPKColumn[j] ){
            		pksInRS.add(columnPropertyNames[j]);
            	}
            }
        	
        	//if pks null, means its classic case when all cols should be PKs
        	if(pks == null){
        		tableRSHasPK = true;
        	}        	
        	//case when there were cols in cfg but could not find any PK in it and no ID column in cfg 
        	else if(pks != null && pks.size()==1 && pks.contains("")){
        		tableRSHasPK = false;        		
        	}        	
        	else if(pks != null && pksInRS.size() == pks.size()){        		
        		Iterator itr1 = pks.iterator();
        		int indx=0;
        		while(itr1.hasNext()){
        			if(!pksInRS.contains((String)itr1.next())){
        				indx++;			
        			}
        		}
        		
	        	if(indx == 0){
	        		if (this.logger.isDebugEnabled()) {
	        			this.logger.debug("has PK TRUE - matched");	
	        		}	        		
	        		tableRSHasPK = true;	
	        	}else{
	        		if (this.logger.isDebugEnabled()) {
	        			this.logger.debug("has PK FALSE- mismatched");	
	        		}	        		
	        		tableRSHasPK = false;
	        	}
        	}
        	else{
        		if (this.logger.isDebugEnabled()) {
        			this.logger.debug("has PK FALSE - rest all cases");	
        		}
        	}        	
        	
        	if (!tableRSHasPK) tablesWithNoPK.add(currentTableName);

    		if (this.logger.isDebugEnabled()) {
            	this.logger.debug("table "+currentTableName+" hasValidPK "+tableRSHasPK);
    		}
        }
    }