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package eu.dnetlib.data.claimsDemo;
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/**
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* Created by Eri on 18/11/2015.
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*/
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import org.apache.log4j.Logger;
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import java.sql.ResultSet;
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import java.util.ArrayList;
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/**
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* @author eri
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*/
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public class SqlDAO {
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private SqlStore sqlStore;
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private QueryGenerator queryGenerator;
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private Logger log = Logger.getLogger(this.getClass());
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private long startTime;
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private long endtime;
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public SqlDAO() throws Exception {
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}
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/**
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* Example of calling a stored procedure
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*
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* @throws Exception
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*/
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public void callStoredProcedure() throws Exception {
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log.info(" Executing Stored Procedure...");
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sqlStore.getConnection();
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startTime = System.currentTimeMillis();
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String q = queryGenerator.callProcedure("create_views");
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sqlStore.executeStoredProcedure(q);
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sqlStore.closeConnection();
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endtime = System.currentTimeMillis();
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log.info("Total time for Procedure : " + ((endtime - startTime) / 60000) + " minutes ");
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}
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/**
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* Example of executing a prepared query with a result set
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* with Query and parameters given as arguements
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*
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* @throws Exception
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*/
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public String executePreparedQuery(String q, ArrayList<String> data) throws Exception {
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try {
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ResultSet rs = sqlStore.executeQuery(q, data);
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return sqlStore.getResults(rs);
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} catch (Exception e)
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{
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log.error(e.getMessage());
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throw new Exception(e);
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}
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}
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/**
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* Example of executing a prepared query with a result set
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* with query set from Query Generator class
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*
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* @throws Exception
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*/
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public String executePreparedQuery(ArrayList<String> data) throws Exception {
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try {
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ResultSet rs = sqlStore.executeQuery(queryGenerator.selectClaims(), data);
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return sqlStore.getResults(rs);
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} catch (Exception e)
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{
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log.error(e.getMessage());
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throw new Exception(e);
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}
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}
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/**
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* Example of executing a custom prepared query
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*
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* @throws Exception
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*/
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public ResultSet executePreparedQuery(String q) throws Exception {
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try {
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ResultSet rs = sqlStore.executeQuery(q);
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return rs;
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} catch (Exception e)
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{
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log.error(e.getMessage());
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throw new Exception(e);
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}
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}
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public void executeUpdateQuery(String q) throws Exception {
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try {
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sqlStore.executeUpdate(q);
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} catch (Exception e)
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{
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log.error(e.getMessage()+"\n Query is:"+q);
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throw new Exception(e);
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}
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}
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public SqlStore getSqlStore() {
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return sqlStore;
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}
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public void setSqlStore(SqlStore sqlStore) {
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this.sqlStore = sqlStore;
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}
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public QueryGenerator getQueryGenerator() {
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return queryGenerator;
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}
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public void setQueryGenerator(QueryGenerator queryGenerator) {
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this.queryGenerator = queryGenerator;
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}
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}
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