Removed dead code
This commit is contained in:
Zeger Hendrikse
parent
48cd6f876f
commit
514164a861
@ -1,48 +0,0 @@
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package com.baeldung.hikaricp;
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import java.io.PrintWriter;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.util.Properties;
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import com.zaxxer.hikari.HikariConfig;
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import com.zaxxer.hikari.HikariDataSource;
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public class DataSource {
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private static HikariConfig config = new HikariConfig();
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private static HikariDataSource ds;
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static {
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// config = new HikariConfig("datasource.properties");
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// Properties props = new Properties();
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// props.setProperty("dataSourceClassName", "org.postgresql.ds.PGSimpleDataSource");
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// props.setProperty("dataSource.user", "postgres");
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// props.setProperty("dataSource.password", "postgres");
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// props.setProperty("dataSource.databaseName", "postgres");
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// props.setProperty("dataSource.portNumber", "5432");
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// props.setProperty("dataSource.serverName", "localhost");
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// props.put("dataSource.logWriter", new PrintWriter(System.out));
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// config = new HikariConfig(props);
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config.setJdbcUrl("jdbc:postgresql://localhost:5432/postgres");
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config.setUsername("postgres");
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config.setPassword("postgres");
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config.addDataSourceProperty("cachePrepStmts", "true");
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config.addDataSourceProperty("prepStmtCacheSize", "250");
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config.addDataSourceProperty("prepStmtCacheSqlLimit", "2048");
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ds = new HikariDataSource(config);
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// ds.setJdbcUrl("jdbc:postgresql://localhost:5432/postgres");
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// ds.setUsername("postgres");
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// ds.setPassword("postgres");
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}
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private DataSource() {}
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public static Connection getConnection() throws SQLException {
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return ds.getConnection();
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}
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}
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@ -1,72 +0,0 @@
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package com.baeldung.hikaricp;
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import java.sql.Date;
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public class Employee {
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private int empNo;
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private String ename;
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private String job;
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private int mgr;
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private Date hiredate;
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private int sal;
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private int comm;
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private int deptno;
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public int getEmpNo() {
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return empNo;
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}
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public void setEmpNo(int empNo) {
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this.empNo = empNo;
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}
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public String getEname() {
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return ename;
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}
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public void setEname(String ename) {
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this.ename = ename;
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}
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public String getJob() {
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return job;
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}
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public void setJob(String job) {
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this.job = job;
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}
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public int getMgr() {
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return mgr;
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}
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public void setMgr(int mgr) {
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this.mgr = mgr;
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}
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public Date getHiredate() {
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return hiredate;
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}
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public void setHiredate(Date hiredate) {
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this.hiredate = hiredate;
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}
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public int getSal() {
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return sal;
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}
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public void setSal(int sal) {
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this.sal = sal;
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}
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public int getComm() {
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return comm;
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}
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public void setComm(int comm) {
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this.comm = comm;
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}
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public int getDeptno() {
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return deptno;
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}
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public void setDeptno(int deptno) {
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this.deptno = deptno;
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}
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@Override
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public String toString() {
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return "Employee [empNo=" + empNo + ", ename=" + ename + ", job=" + job + ", mgr=" + mgr + ", hiredate="
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+ hiredate + ", sal=" + sal + ", comm=" + comm + ", deptno=" + deptno + "]";
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}
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}
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@ -1,38 +0,0 @@
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package com.baeldung.hikaricp;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.List;
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public class HikariCPDemo {
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public static List<Employee> fetchData() {
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final String SQL_QUERY = "select * from emp";
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List<Employee> employees = null;
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try (Connection con = DataSource.getConnection();
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PreparedStatement pst = con.prepareStatement(SQL_QUERY);
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ResultSet rs = pst.executeQuery();) {
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employees = new ArrayList<Employee>();
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Employee employee;
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while (rs.next()) {
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employee = new Employee();
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employee.setEmpNo(rs.getInt("empno"));
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employee.setEname(rs.getString("ename"));
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employee.setJob(rs.getString("job"));
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employee.setMgr(rs.getInt("mgr"));
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employee.setHiredate(rs.getDate("hiredate"));
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employee.setSal(rs.getInt("sal"));
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employee.setComm(rs.getInt("comm"));
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employee.setDeptno(rs.getInt("deptno"));
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employees.add(employee);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return employees;
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}
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}
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@ -1,47 +0,0 @@
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create table dept(
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deptno numeric,
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dname varchar(14),
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loc varchar(13),
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constraint pk_dept primary key (deptno)
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);
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create table emp(
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empno numeric,
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ename varchar(10),
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job varchar(9),
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mgr numeric,
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hiredate date,
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sal numeric,
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comm numeric,
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deptno numeric,
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constraint pk_emp primary key (empno),
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constraint fk_deptno foreign key (deptno) references dept (deptno)
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);
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insert into dept values(10, 'ACCOUNTING', 'NEW YORK');
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insert into dept values(20, 'RESEARCH', 'DALLAS');
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insert into dept values(30, 'SALES', 'CHICAGO');
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insert into dept values(40, 'OPERATIONS', 'BOSTON');
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insert into emp values(
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7839, 'KING', 'PRESIDENT', null,
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to_date('17-11-1981','dd-mm-yyyy'),
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7698, null, 10
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);
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insert into emp values(
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7698, 'BLAKE', 'MANAGER', 7839,
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to_date('1-5-1981','dd-mm-yyyy'),
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7782, null, 20
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);
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insert into emp values(
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7782, 'CLARK', 'MANAGER', 7839,
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to_date('9-6-1981','dd-mm-yyyy'),
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7566, null, 30
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);
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insert into emp values(
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7566, 'JONES', 'MANAGER', 7839,
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to_date('2-4-1981','dd-mm-yyyy'),
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7839, null, 40
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);
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commit;
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