Java Code Examples for org.apache.commons.dbcp2.BasicDataSource#setMinIdle()
The following examples show how to use
org.apache.commons.dbcp2.BasicDataSource#setMinIdle() .
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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: 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 4
| 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 5
| 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 6
| Source File: ConnectionUtils.java From FROST-Server with GNU Lesser General Public License v3.0 | 6 votes |
|
private static ConnectionSource setupBasicDataSource(Settings settings) {
LOGGER.info("Setting up BasicDataSource for database connections.");
String driver = settings.get(TAG_DB_DRIVER, ConnectionUtils.class);
if (driver.isEmpty()) {
throw new IllegalArgumentException("Property '" + TAG_DB_DRIVER + "' must be non-empty");
}
try {
Class.forName(driver);
BasicDataSource ds = new BasicDataSource();
ds.setUrl(settings.get(TAG_DB_URL, ConnectionUtils.class));
ds.setUsername(settings.get(TAG_DB_USERNAME, ConnectionUtils.class));
ds.setPassword(settings.get(TAG_DB_PASSWRD, ConnectionUtils.class));
ds.setMaxIdle(settings.getInt(TAG_DB_MAXIDLE, ds.getMaxIdle()));
ds.setMaxTotal(settings.getInt(TAG_DB_MAXCONN, ds.getMaxTotal()));
ds.setMinIdle(settings.getInt(TAG_DB_MINIDLE, ds.getMinIdle()));
return new ConnectionSourceBasicDataSource(ds);
} catch (ClassNotFoundException exc) {
throw new IllegalArgumentException(exc);
}
}
Example 7
| 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 8
| 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 9
| Source File: SqlDbConfiguration.java From jpa-unit with Apache License 2.0 | 6 votes |
|
public DataSource createDataSource() {
final String driverClass = (String) dbConfig.get("javax.persistence.jdbc.driver");
final String connectionUrl = (String) dbConfig.get("javax.persistence.jdbc.url");
final String username = (String) dbConfig.get("javax.persistence.jdbc.user");
final String password = (String) dbConfig.get("javax.persistence.jdbc.password");
final BasicDataSource ds = new BasicDataSource();
ds.setDriverClassName(driverClass);
ds.setUsername(username);
ds.setPassword(password);
ds.setUrl(connectionUrl);
ds.setMinIdle(1);
ds.setMaxIdle(2);
return ds;
}
Example 10
| Source File: AbstractMysqlHandler.java From adt with Apache License 2.0 | 6 votes |
|
public AbstractMysqlHandler() throws Exception{
shardCount = Integer.parseInt(System.getProperty(PROP_SHARD_CNT));
for(int i=0; i<shardCount; i++){
final BasicDataSource ds = new BasicDataSource();
ds.setMaxTotal(1024);
ds.setMaxIdle(1024);
ds.setMinIdle(0);
ds.setUrl(System.getProperty(String.format(PROP_SHARD_URL, i)));
ds.setUsername(System.getProperty(String.format(PROP_SHARD_USERNAME, i)));
ds.setPassword(System.getProperty(String.format(PROP_SHARD_PASSWORD, i)));
dataSourceList.add(ds);
}
// final ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
// scriptEngine = scriptEngineManager.getEngineByName(SCRIPT_ENGINE_NAME);
// scriptEngine.eval(System.getProperty(PROP_SCRIPT));
}
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: DBCPDataSourceServiceImporter.java From attic-polygene-java with Apache License 2.0 | 5 votes |
|
@Override
protected BasicDataSource setupDataSourcePool( DataSourceConfiguration config )
throws Exception
{
BasicDataSource pool = new BasicDataSource();
Class.forName( config.driver().get() );
pool.setDriverClassName( config.driver().get() );
pool.setUrl( config.url().get() );
if ( !config.username().get().equals( "" ) ) {
pool.setUsername( config.username().get() );
pool.setPassword( config.password().get() );
}
if ( config.minPoolSize().get() != null ) {
pool.setMinIdle( config.minPoolSize().get() );
}
if ( config.maxPoolSize().get() != null ) {
pool.setMaxTotal( config.maxPoolSize().get() );
}
if ( config.loginTimeoutSeconds().get() != null ) {
pool.setLoginTimeout( config.loginTimeoutSeconds().get() );
}
if ( config.maxConnectionAgeSeconds().get() != null ) {
pool.setMinEvictableIdleTimeMillis( config.maxConnectionAgeSeconds().get() * 1000 );
}
if ( config.validationQuery().get() != null ) {
pool.setValidationQuery( config.validationQuery().get() );
}
return pool;
}
Example 13
| 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 14
| Source File: DataSourceFactory.java From jweb-cms with GNU Affero General Public License v3.0 | 5 votes |
|
public DataSource build() {
BasicDataSource dataSource = new BasicDataSource();
dataSource.setUrl(resetBaseDir(options.url));
dataSource.setUsername(options.username);
dataSource.setPassword(options.password);
dataSource.setMaxTotal(options.pool.max);
dataSource.setMinIdle(options.pool.min);
return dataSource;
}
Example 15
| 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;
}
Example 16
| 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 17
| Source File: HadoopDBCPConnectionPool.java From nifi with Apache License 2.0 | 4 votes |
|
/**
* Configures connection pool by creating an instance of the
* {@link BasicDataSource} based on configuration provided with
* {@link ConfigurationContext}.
*
* This operation makes no guarantees that the actual connection could be
* made since the underlying system may still go off-line during normal
* operation of the connection pool.
*
* @param context
* the configuration context
* @throws InitializationException
* if unable to create a database connection
*/
@OnEnabled
public void onEnabled(final ConfigurationContext context) throws IOException {
// Get Configuration instance from specified resources
final String configFiles = context.getProperty(HADOOP_CONFIGURATION_RESOURCES).evaluateAttributeExpressions().getValue();
final Configuration hadoopConfig = getConfigurationFromFiles(configFiles);
// Add any dynamic properties to the HBase Configuration
for (final Map.Entry<PropertyDescriptor, String> entry : context.getProperties().entrySet()) {
final PropertyDescriptor descriptor = entry.getKey();
if (descriptor.isDynamic()) {
hadoopConfig.set(descriptor.getName(), context.getProperty(descriptor).evaluateAttributeExpressions().getValue());
}
}
// If security is enabled then determine how to authenticate based on the various principal/keytab/password options
if (SecurityUtil.isSecurityEnabled(hadoopConfig)) {
final String explicitPrincipal = context.getProperty(kerberosProperties.getKerberosPrincipal()).evaluateAttributeExpressions().getValue();
final String explicitKeytab = context.getProperty(kerberosProperties.getKerberosKeytab()).evaluateAttributeExpressions().getValue();
final String explicitPassword = context.getProperty(kerberosProperties.getKerberosPassword()).getValue();
final KerberosCredentialsService credentialsService = context.getProperty(KERBEROS_CREDENTIALS_SERVICE).asControllerService(KerberosCredentialsService.class);
final String resolvedPrincipal;
final String resolvedKeytab;
if (credentialsService != null) {
resolvedPrincipal = credentialsService.getPrincipal();
resolvedKeytab = credentialsService.getKeytab();
} else {
resolvedPrincipal = explicitPrincipal;
resolvedKeytab = explicitKeytab;
}
if (resolvedKeytab != null) {
kerberosUser = new KerberosKeytabUser(resolvedPrincipal, resolvedKeytab);
getLogger().info("Security Enabled, logging in as principal {} with keytab {}", new Object[] {resolvedPrincipal, resolvedKeytab});
} else if (explicitPassword != null) {
kerberosUser = new KerberosPasswordUser(resolvedPrincipal, explicitPassword);
getLogger().info("Security Enabled, logging in as principal {} with password", new Object[] {resolvedPrincipal});
} else {
throw new IOException("Unable to authenticate with Kerberos, no keytab or password was provided");
}
ugi = SecurityUtil.getUgiForKerberosUser(hadoopConfig, kerberosUser);
getLogger().info("Successfully logged in as principal " + resolvedPrincipal);
} else {
getLogger().info("Simple Authentication");
}
// Initialize the DataSource...
final String dbUrl = context.getProperty(DATABASE_URL).evaluateAttributeExpressions().getValue();
final String driverName = context.getProperty(DB_DRIVERNAME).evaluateAttributeExpressions().getValue();
final String user = context.getProperty(DB_USER).evaluateAttributeExpressions().getValue();
final String passw = context.getProperty(DB_PASSWORD).evaluateAttributeExpressions().getValue();
final Integer maxTotal = context.getProperty(MAX_TOTAL_CONNECTIONS).evaluateAttributeExpressions().asInteger();
final String validationQuery = context.getProperty(VALIDATION_QUERY).evaluateAttributeExpressions().getValue();
final Long maxWaitMillis = extractMillisWithInfinite(context.getProperty(MAX_WAIT_TIME).evaluateAttributeExpressions());
final Integer minIdle = context.getProperty(MIN_IDLE).evaluateAttributeExpressions().asInteger();
final Integer maxIdle = context.getProperty(MAX_IDLE).evaluateAttributeExpressions().asInteger();
final Long maxConnLifetimeMillis = extractMillisWithInfinite(context.getProperty(MAX_CONN_LIFETIME).evaluateAttributeExpressions());
final Long timeBetweenEvictionRunsMillis = extractMillisWithInfinite(context.getProperty(EVICTION_RUN_PERIOD).evaluateAttributeExpressions());
final Long minEvictableIdleTimeMillis = extractMillisWithInfinite(context.getProperty(MIN_EVICTABLE_IDLE_TIME).evaluateAttributeExpressions());
final Long softMinEvictableIdleTimeMillis = extractMillisWithInfinite(context.getProperty(SOFT_MIN_EVICTABLE_IDLE_TIME).evaluateAttributeExpressions());
dataSource = new BasicDataSource();
dataSource.setDriverClassName(driverName);
dataSource.setDriverClassLoader(this.getClass().getClassLoader());
dataSource.setUrl(dbUrl);
dataSource.setUsername(user);
dataSource.setPassword(passw);
dataSource.setMaxWaitMillis(maxWaitMillis);
dataSource.setMaxTotal(maxTotal);
dataSource.setMinIdle(minIdle);
dataSource.setMaxIdle(maxIdle);
dataSource.setMaxConnLifetimeMillis(maxConnLifetimeMillis);
dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
dataSource.setSoftMinEvictableIdleTimeMillis(softMinEvictableIdleTimeMillis);
if (StringUtils.isEmpty(validationQuery)) {
dataSource.setValidationQuery(validationQuery);
dataSource.setTestOnBorrow(true);
}
}
Example 18
| Source File: DBCPConnectionPool.java From nifi with Apache License 2.0 | 4 votes |
|
/**
* Configures connection pool by creating an instance of the
* {@link BasicDataSource} based on configuration provided with
* {@link ConfigurationContext}.
*
* This operation makes no guarantees that the actual connection could be
* made since the underlying system may still go off-line during normal
* operation of the connection pool.
*
* @param context
* the configuration context
* @throws InitializationException
* if unable to create a database connection
*/
@OnEnabled
public void onConfigured(final ConfigurationContext context) throws InitializationException {
final String drv = context.getProperty(DB_DRIVERNAME).evaluateAttributeExpressions().getValue();
final String user = context.getProperty(DB_USER).evaluateAttributeExpressions().getValue();
final String passw = context.getProperty(DB_PASSWORD).evaluateAttributeExpressions().getValue();
final Integer maxTotal = context.getProperty(MAX_TOTAL_CONNECTIONS).evaluateAttributeExpressions().asInteger();
final String validationQuery = context.getProperty(VALIDATION_QUERY).evaluateAttributeExpressions().getValue();
final Long maxWaitMillis = extractMillisWithInfinite(context.getProperty(MAX_WAIT_TIME).evaluateAttributeExpressions());
final Integer minIdle = context.getProperty(MIN_IDLE).evaluateAttributeExpressions().asInteger();
final Integer maxIdle = context.getProperty(MAX_IDLE).evaluateAttributeExpressions().asInteger();
final Long maxConnLifetimeMillis = extractMillisWithInfinite(context.getProperty(MAX_CONN_LIFETIME).evaluateAttributeExpressions());
final Long timeBetweenEvictionRunsMillis = extractMillisWithInfinite(context.getProperty(EVICTION_RUN_PERIOD).evaluateAttributeExpressions());
final Long minEvictableIdleTimeMillis = extractMillisWithInfinite(context.getProperty(MIN_EVICTABLE_IDLE_TIME).evaluateAttributeExpressions());
final Long softMinEvictableIdleTimeMillis = extractMillisWithInfinite(context.getProperty(SOFT_MIN_EVICTABLE_IDLE_TIME).evaluateAttributeExpressions());
final KerberosCredentialsService kerberosCredentialsService = context.getProperty(KERBEROS_CREDENTIALS_SERVICE).asControllerService(KerberosCredentialsService.class);
final String kerberosPrincipal = context.getProperty(KERBEROS_PRINCIPAL).evaluateAttributeExpressions().getValue();
final String kerberosPassword = context.getProperty(KERBEROS_PASSWORD).getValue();
if (kerberosCredentialsService != null) {
kerberosUser = new KerberosKeytabUser(kerberosCredentialsService.getPrincipal(), kerberosCredentialsService.getKeytab());
} else if (!StringUtils.isBlank(kerberosPrincipal) && !StringUtils.isBlank(kerberosPassword)) {
kerberosUser = new KerberosPasswordUser(kerberosPrincipal, kerberosPassword);
}
if (kerberosUser != null) {
try {
kerberosUser.login();
} catch (LoginException e) {
throw new InitializationException("Unable to authenticate Kerberos principal", e);
}
}
dataSource = new BasicDataSource();
dataSource.setDriverClassName(drv);
// Optional driver URL, when exist, this URL will be used to locate driver jar file location
final String urlString = context.getProperty(DB_DRIVER_LOCATION).evaluateAttributeExpressions().getValue();
dataSource.setDriverClassLoader(getDriverClassLoader(urlString, drv));
final String dburl = context.getProperty(DATABASE_URL).evaluateAttributeExpressions().getValue();
dataSource.setMaxWaitMillis(maxWaitMillis);
dataSource.setMaxTotal(maxTotal);
dataSource.setMinIdle(minIdle);
dataSource.setMaxIdle(maxIdle);
dataSource.setMaxConnLifetimeMillis(maxConnLifetimeMillis);
dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
dataSource.setSoftMinEvictableIdleTimeMillis(softMinEvictableIdleTimeMillis);
if (validationQuery!=null && !validationQuery.isEmpty()) {
dataSource.setValidationQuery(validationQuery);
dataSource.setTestOnBorrow(true);
}
dataSource.setUrl(dburl);
dataSource.setUsername(user);
dataSource.setPassword(passw);
context.getProperties().keySet().stream().filter(PropertyDescriptor::isDynamic)
.forEach((dynamicPropDescriptor) -> dataSource.addConnectionProperty(dynamicPropDescriptor.getName(),
context.getProperty(dynamicPropDescriptor).evaluateAttributeExpressions().getValue()));
}
