Java Code Examples for org.apache.commons.dbcp2.BasicDataSource#setInitialSize()
The following examples show how to use
org.apache.commons.dbcp2.BasicDataSource#setInitialSize() .
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Example 1
| Source File: SinkToMySQL.java From flink-learning with Apache License 2.0 | 6 votes |
|
private static Connection getConnection(BasicDataSource dataSource) {
dataSource.setDriverClassName("com.mysql.jdbc.Driver");
//注意，替换成自己本地的 mysql 数据库地址和用户名、密码
dataSource.setUrl("jdbc:mysql://localhost:3306/test");
dataSource.setUsername("root");
dataSource.setPassword("root123456");
//设置连接池的一些参数
dataSource.setInitialSize(10);
dataSource.setMaxTotal(50);
dataSource.setMinIdle(2);
Connection con = null;
try {
con = dataSource.getConnection();
log.info("创建连接池：{}", con);
} catch (Exception e) {
log.error("-----------mysql get connection has exception , msg = {}", e.getMessage());
}
return con;
}
Example 2
| Source File: SinkToMySQL.java From flink-learning with Apache License 2.0 | 6 votes |
|
private static Connection getConnection(BasicDataSource dataSource) {
dataSource.setDriverClassName("com.mysql.jdbc.Driver");
//注意，替换成自己本地的 mysql 数据库地址和用户名、密码
dataSource.setUrl("jdbc:mysql://localhost:3306/test");
dataSource.setUsername("root");
dataSource.setPassword("root123456");
//设置连接池的一些参数
dataSource.setInitialSize(10);
dataSource.setMaxTotal(50);
dataSource.setMinIdle(2);
Connection con = null;
try {
con = dataSource.getConnection();
log.info("创建连接池：{}", con);
} catch (Exception e) {
log.error("-----------mysql get connection has exception , msg = {}", e.getMessage());
}
return con;
}
Example 3
| Source File: ResourceFactory.java From o2oa with GNU Affero General Public License v3.0 | 6 votes |
|
private static void external_dbcp2() throws Exception {
for (ExternalDataSource ds : Config.externalDataSources()) {
BasicDataSource dataSource = new BasicDataSource();
dataSource.setDriverClassName(ds.getDriverClassName());
dataSource.setUrl(ds.getUrl());
dataSource.setInitialSize(0);
dataSource.setMinIdle(0);
dataSource.setMaxTotal(ds.getMaxTotal());
dataSource.setMaxIdle(ds.getMaxTotal());
dataSource.setTestOnCreate(false);
dataSource.setTestWhileIdle(false);
dataSource.setTestOnReturn(false);
dataSource.setTestOnBorrow(false);
dataSource.setUsername(ds.getUsername());
dataSource.setPassword(ds.getPassword());
String name = Config.externalDataSources().name(ds);
new Resource(Config.RESOURCE_JDBC_PREFIX + name, dataSource);
}
}
Example 4
| Source File: ResourceFactory.java From o2oa with GNU Affero General Public License v3.0 | 6 votes |
|
private static void internal_dbcp2() throws Exception {
for (Entry<String, DataServer> entry : Config.nodes().dataServers().entrySet()) {
BasicDataSource dataSource = new BasicDataSource();
String url = "jdbc:h2:tcp://" + entry.getKey() + ":" + entry.getValue().getTcpPort() + "/X;JMX="
+ (entry.getValue().getJmxEnable() ? "TRUE" : "FALSE") + ";CACHE_SIZE="
+ (entry.getValue().getCacheSize() * 1024);
dataSource.setDriverClassName(SlicePropertiesBuilder.driver_h2);
dataSource.setUrl(url);
dataSource.setInitialSize(0);
dataSource.setMinIdle(0);
dataSource.setMaxTotal(50);
dataSource.setMaxIdle(50);
dataSource.setUsername("sa");
dataSource.setTestOnCreate(false);
dataSource.setTestWhileIdle(false);
dataSource.setTestOnReturn(false);
dataSource.setTestOnBorrow(false);
dataSource.setPassword(Config.token().getPassword());
String name = Config.nodes().dataServers().name(entry.getValue());
new Resource(Config.RESOURCE_JDBC_PREFIX + name, dataSource);
}
}
Example 5
| Source File: MyDataSourceFactory.java From spring-boot with Apache License 2.0 | 6 votes |
|
/**
* apache commons dbcp2 数据源
*
* @return
*/
protected static DataSource getDBCP2DataSource() {
//创建BasicDataSource类对象
BasicDataSource datasource = new BasicDataSource();
//数据库连接信息（必须）
datasource.setDriverClassName("com.mysql.jdbc.Driver");
datasource.setUrl("jdbc:mysql://localhost:3306/ztree?useUnicode=true&characterEncoding=utf-8&useSSL=false");
datasource.setUsername("root");
datasource.setPassword("123456");
//连接池中的连接数量配置（可选）
datasource.setInitialSize(10);//初始化的连接数
datasource.setMaxOpenPreparedStatements(8);//最大连接数
datasource.setMaxIdle(5);//最大空闲连接
datasource.setMinIdle(1);//最小空闲连接
return datasource;
}
Example 6
| Source File: DBCPPool.java From MtgDesktopCompanion with GNU General Public License v3.0 | 6 votes |
|
@Override
public void init(String url, String user, String pass, boolean enable) {
logger.debug("init connection to " + url + ", Pooling="+enable);
dataSource = new BasicDataSource();
dataSource.setUrl(url);
dataSource.setUsername(user);
dataSource.setPassword(pass);
props.entrySet().forEach(ks->{
try {
BeanUtils.setProperty(dataSource, ks.getKey().toString(), ks.getValue());
} catch (Exception e) {
logger.error(e);
}
});
if(!enable) {
dataSource.setMinIdle(1);
dataSource.setMaxIdle(1);
dataSource.setInitialSize(0);
dataSource.setMaxTotal(1);
}
}
Example 7
| Source File: DBCP2DataSourcePool.java From EasyReport with Apache License 2.0 | 6 votes |
|
@Override
public DataSource wrap(final ReportDataSource rptDs) {
try {
final BasicDataSource dataSource = new BasicDataSource();
dataSource.setDriverClassName(rptDs.getDriverClass());
dataSource.setUrl(rptDs.getJdbcUrl());
dataSource.setUsername(rptDs.getUser());
dataSource.setPassword(rptDs.getPassword());
dataSource.setInitialSize(MapUtils.getInteger(rptDs.getOptions(), "initialSize", 3));
dataSource.setMaxIdle(MapUtils.getInteger(rptDs.getOptions(), "maxIdle", 20));
dataSource.setMinIdle(MapUtils.getInteger(rptDs.getOptions(), "minIdle", 1));
dataSource.setLogAbandoned(MapUtils.getBoolean(rptDs.getOptions(), "logAbandoned", true));
dataSource.setRemoveAbandonedTimeout(
MapUtils.getInteger(rptDs.getOptions(), "removeAbandonedTimeout", 180));
dataSource.setMaxWaitMillis(MapUtils.getInteger(rptDs.getOptions(), "maxWait", 1000));
return dataSource;
} catch (final Exception ex) {
throw new RuntimeException("C3p0DataSourcePool Create Error", ex);
}
}
Example 8
| Source File: CommonUtil.java From WeEvent with Apache License 2.0 | 5 votes |
|
/**
* check the database url
*
* @param databaseUrl data bae url
* @return connection
*/
public static Connection getDbcpConnection(String databaseUrl, String databaseType) {
try {
Map<String, String> requestUrlMap = uRLRequest(databaseUrl);
// check all parameter
if (!requestUrlMap.containsKey("user") || !requestUrlMap.containsKey("password") || StringUtils.isEmpty(urlPage(databaseUrl))) {
return null;
}
// use the cache
if (dsMap.containsKey(databaseUrl)) {
// use the old connection
return dsMap.get(databaseUrl).getConnection();
} else {
Properties properties = new Properties();
BasicDataSource ds = BasicDataSourceFactory.createDataSource(properties);
dsMap.put(databaseUrl, ds);
if (DatabaseTypeEnum.H2_DATABASE.getCode().equals(databaseType)) {
ds.setDriverClassName("org.h2.Driver");
} else {
ds.setDriverClassName("org.mariadb.jdbc.Driver");
}
ds.setUrl(urlPage(databaseUrl));
ds.setUsername(requestUrlMap.get("user"));
ds.setPassword(requestUrlMap.get("password"));
ds.setInitialSize(Integer.parseInt(Objects.requireNonNull(ProcessorApplication.environment.getProperty("spring.datasource.dbcp2.initial-size"))));
ds.setMinIdle(Integer.parseInt(Objects.requireNonNull(ProcessorApplication.environment.getProperty("spring.datasource.dbcp2.min-idle"))));
ds.setMaxWaitMillis(Integer.parseInt(Objects.requireNonNull(ProcessorApplication.environment.getProperty("spring.datasource.dbcp2.max-wait-millis"))));
ds.setMaxTotal(Integer.parseInt(Objects.requireNonNull(ProcessorApplication.environment.getProperty("spring.datasource.dbcp2.max-total"))));
return ds.getConnection();
}
} catch (Exception e) {
log.error("e:{}", e.toString());
return null;
}
}
Example 9
| Source File: HerdMetastoreConfig.java From herd-mdl with Apache License 2.0 | 5 votes |
|
@Bean(destroyMethod = "")
public DataSource getDataSource() {
BasicDataSource dataSource = new BasicDataSource();
dataSource.setUrl( dburl );
dataSource.setUsername( dbUser );
dataSource.setPassword( dbPass );
dataSource.setInitialSize( 2 );
dataSource.setValidationQuery( validationQuery );
return dataSource;
}
Example 10
| Source File: PooledConnectionFactory.java From FlinkExperiments with MIT License | 5 votes |
|
private void initializeConnectionPool(BasicDataSource connectionPool, URI databaseUri) {
final String dbUrl = "jdbc:postgresql://" + databaseUri.getHost() + databaseUri.getPath();
if (databaseUri.getUserInfo() != null) {
connectionPool.setUsername(databaseUri.getUserInfo().split(":")[0]);
connectionPool.setPassword(databaseUri.getUserInfo().split(":")[1]);
}
connectionPool.setDriverClassName("org.postgresql.Driver");
connectionPool.setUrl(dbUrl);
connectionPool.setInitialSize(1);
}
Example 11
| Source File: MyDataSourceFactory.java From spring-boot with Apache License 2.0 | 5 votes |
|
protected static DataSource getDBCP2DataSource2() {
//创建BasicDataSource类对象
BasicDataSource datasource = new BasicDataSource();
//数据库连接信息（必须）
datasource.setDriverClassName("com.mysql.jdbc.Driver");
datasource.setUrl("jdbc:mysql://129.9.100.16:3306/test?useUnicode=true&characterEncoding=utf-8&useSSL=false");
datasource.setUsername("test");
datasource.setPassword("123456");
//连接池中的连接数量配置（可选）
datasource.setInitialSize(10);//初始化的连接数
datasource.setMaxOpenPreparedStatements(8);//最大连接数
datasource.setMaxIdle(5);//最大空闲连接
datasource.setMinIdle(1);//最小空闲连接
return datasource;
}
Example 12
| Source File: ConnectionUtils.java From simpleci with MIT License | 5 votes |
|
public static DataSource createDataSource(String host, int port, String name, String user, String password) {
BasicDataSource bds = new BasicDataSource();
bds.setDriverClassName("com.mysql.jdbc.Driver");
bds.setUrl(String.format("jdbc:mysql://%s:%d/%s", host, port, name));
bds.setUsername(user);
bds.setPassword(password);
bds.setInitialSize(5);
return bds;
}
Example 13
| Source File: DataSourceContainer.java From DBus with Apache License 2.0 | 4 votes |
|
public boolean register(JdbcVo conf) {
boolean isOk = true;
try {
BasicDataSource bds = new BasicDataSource();
bds.setDriverClassName(conf.getDriverClass());
bds.setUrl(conf.getUrl());
bds.setUsername(conf.getUserName());
bds.setPassword(conf.getPassword());
bds.setInitialSize(conf.getInitialSize());
bds.setMaxTotal(conf.getMaxActive());
bds.setMaxIdle(conf.getMaxIdle());
bds.setMinIdle(conf.getMinIdle());
// 设置等待获取连接的最长时间
// bds.setMaxWaitMillis(20 * 1000);
// validQuery 只给test idle 使用，不给 test Borrow使用， 为什么？
// 发现 oracle版本 insert心跳被block， 下面的link 有人说 可以通过设置TestOnBorrow=false 解决。
// https://stackoverflow.com/questions/4853732/blocking-on-dbcp-connection-pool-open-and-close-connnection-is-database-conne
bds.setTestOnBorrow(true);
bds.setTestWhileIdle(false);
if (StringUtils.equalsIgnoreCase(Constants.CONFIG_DB_TYPE_ORA, conf.getType())) {
bds.setValidationQuery("select 1 from dual");
bds.setValidationQueryTimeout(5);
} else if (StringUtils.equalsIgnoreCase(Constants.CONFIG_DB_TYPE_MYSQL, conf.getType())) {
bds.setValidationQuery("select 1");
bds.setValidationQueryTimeout(5);
}
/*bds.setTimeBetweenEvictionRunsMillis(1000 * 300);
if (org.apache.commons.lang.StringUtils.equals(Constants.CONFIG_DB_TYPE_ORA, conf.getType())) {
bds.setValidationQuery("select 1 from dual");
bds.setValidationQueryTimeout(1);
} else if (org.apache.commons.lang.StringUtils.equals(Constants.CONFIG_DB_TYPE_MYSQL, conf.getType())) {
bds.setValidationQuery("select 1");
bds.setValidationQueryTimeout(1);
}*/
LoggerFactory.getLogger().info("create datasource key:" + conf.getKey() + " url:" + conf.getUrl());
cmap.put(conf.getKey(), bds);
// 为了支持查询主库和被库的延时，一个ds需要同时建立同主库和被库的连接
if (conf instanceof DsVo) {
DsVo ds = (DsVo) conf;
if (StringUtils.isNotBlank(ds.getSlvaeUrl())) {
BasicDataSource slaveBds = new BasicDataSource();
slaveBds.setDriverClassName(ds.getDriverClass());
slaveBds.setUrl(ds.getSlvaeUrl());
slaveBds.setUsername(ds.getUserName());
slaveBds.setPassword(ds.getPassword());
slaveBds.setInitialSize(ds.getInitialSize());
slaveBds.setMaxTotal(ds.getMaxActive());
slaveBds.setMaxIdle(ds.getMaxIdle());
slaveBds.setMinIdle(ds.getMinIdle());
slaveBds.setTestOnBorrow(true);
slaveBds.setTestWhileIdle(false);
if (StringUtils.equalsIgnoreCase(Constants.CONFIG_DB_TYPE_ORA, conf.getType())) {
slaveBds.setValidationQuery("select 1 from dual");
slaveBds.setValidationQueryTimeout(5);
} else if (StringUtils.equalsIgnoreCase(Constants.CONFIG_DB_TYPE_MYSQL, conf.getType())) {
slaveBds.setValidationQuery("select 1");
slaveBds.setValidationQueryTimeout(5);
}
// 设置等待获取连接的最长时间
// slaveBds.setMaxWaitMillis(20 * 1000);
String key = StringUtils.join(new String[]{ds.getKey(), "slave"}, "_");
LoggerFactory.getLogger().info("create datasource key:" + key + " url:" + ds.getSlvaeUrl());
cmap.put(key, slaveBds);
} else {
LoggerFactory.getLogger().warn("db container initDsPool key " + ds.getKey() + " of slave url is empty.");
}
}
} catch (Exception e) {
LoggerFactory.getLogger().error("[db container initDsPool key " + conf.getKey() + " datasource error!]", e);
isOk = false;
}
return isOk;
}
Example 14
| Source File: Dbcp2DataSourcePool.java From Zebra with Apache License 2.0 | 4 votes |
|
@Override
public DataSource build(DataSourceConfig config, boolean withDefaultValue) {
BasicDataSource dbcp2DataSource = new BasicDataSource();
dbcp2DataSource.setUrl(config.getJdbcUrl());
dbcp2DataSource.setUsername(config.getUsername());
dbcp2DataSource.setPassword(config.getPassword());
dbcp2DataSource.setDriverClassName(StringUtils.isNotBlank(config.getDriverClass()) ? config.getDriverClass()
: JdbcDriverClassHelper.getDriverClassNameByJdbcUrl(config.getJdbcUrl()));
if (withDefaultValue) {
dbcp2DataSource.setInitialSize(getIntProperty(config, "initialPoolSize", 5));
dbcp2DataSource.setMaxTotal(getIntProperty(config, "maxPoolSize", 30));
dbcp2DataSource.setMinIdle(getIntProperty(config, "minPoolSize", 5));
dbcp2DataSource.setMaxIdle(getIntProperty(config, "maxPoolSize", 20));
dbcp2DataSource.setMaxWaitMillis(getIntProperty(config, "checkoutTimeout", 1000));
dbcp2DataSource.setValidationQuery(getStringProperty(config, "preferredTestQuery", "SELECT 1"));
dbcp2DataSource.setMinEvictableIdleTimeMillis(getIntProperty(config, "minEvictableIdleTimeMillis", 1800000));// 30min
dbcp2DataSource
.setTimeBetweenEvictionRunsMillis(getIntProperty(config, "timeBetweenEvictionRunsMillis", 30000)); // 30s
dbcp2DataSource.setRemoveAbandonedTimeout(getIntProperty(config, "removeAbandonedTimeout", 300)); // 30s
dbcp2DataSource.setNumTestsPerEvictionRun(getIntProperty(config, "numTestsPerEvictionRun", 6)); // 30s
dbcp2DataSource.setValidationQueryTimeout(getIntProperty(config, "validationQueryTimeout", 0));
if (StringUtils.isNotBlank(getStringProperty(config, "connectionInitSql", null))) {
List<String> initSqls = new ArrayList<String>();
initSqls.add(getStringProperty(config, "connectionInitSql", null));
dbcp2DataSource.setConnectionInitSqls(initSqls);
}
dbcp2DataSource.setTestWhileIdle(true);
dbcp2DataSource.setTestOnBorrow(false);
dbcp2DataSource.setTestOnReturn(false);
dbcp2DataSource.setRemoveAbandonedOnBorrow(true);
dbcp2DataSource.setRemoveAbandonedOnMaintenance(true);
} else {
try {
PropertiesInit<BasicDataSource> propertiesInit = new PropertiesInit<BasicDataSource>(dbcp2DataSource);
propertiesInit.initPoolProperties(config);
} catch (Exception e) {
throw new ZebraConfigException(String.format("dbcp2 dataSource [%s] created error : ", config.getId()), e);
}
}
this.pool = dbcp2DataSource;
LOGGER.info(String.format("New dataSource [%s] created.", config.getId()));
return this.pool;
}
