org.apache.nifi.dbcp

Class DBCPConnectionPool

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.controller.AbstractControllerService

org.apache.nifi.dbcp.AbstractDBCPConnectionPool

org.apache.nifi.dbcp.DBCPConnectionPool

All Implemented Interfaces:

ConfigurableComponent, ControllerService, VerifiableControllerService, DBCPService

@SupportsSensitiveDynamicProperties
 @Tags(value={"dbcp","jdbc","database","connection","pooling","store"})
 @CapabilityDescription(value="Provides Database Connection Pooling Service. Connections can be asked from pool and returned after usage.")
 @DynamicProperty(name="JDBC property name",value="JDBC property value",expressionLanguageScope=VARIABLE_REGISTRY,description="JDBC driver property name and value applied to JDBC connections.") @DynamicProperty(name="SENSITIVE.JDBC property name",value="JDBC property value",expressionLanguageScope=NONE,description="JDBC driver property name prefixed with \'SENSITIVE.\' handled as a sensitive property.")
 @RequiresInstanceClassLoading
public class DBCPConnectionPool
extends AbstractDBCPConnectionPool
implements DBCPService, VerifiableControllerService

Implementation of for Database Connection Pooling Service. Apache DBCP is used for connection pooling functionality.

Field Summary

Fields

Modifier and Type	Field and Description
static PropertyDescriptor	KERBEROS_CREDENTIALS_SERVICE
static PropertyDescriptor	KERBEROS_PASSWORD
static PropertyDescriptor	KERBEROS_PRINCIPAL
private static List<PropertyDescriptor>	PROPERTIES
protected static String	SENSITIVE_PROPERTY_PREFIX Property Name Prefix for Sensitive Dynamic Properties

Fields inherited from class org.apache.nifi.dbcp.AbstractDBCPConnectionPool

dataSource, kerberosUser

Constructor Summary

Constructors

Constructor and Description
DBCPConnectionPool()

Method Summary

Modifier and Type	Method and Description
protected Collection<ValidationResult>	customValidate(ValidationContext context)
protected Map<String,String>	getConnectionProperties(ConfigurationContext context)
(package private) org.apache.commons.dbcp2.BasicDataSource	getDataSource()
protected DataSourceConfiguration	getDataSourceConfiguration(ConfigurationContext context)
protected Driver	getDriver(String driverName, String url)
protected org.apache.nifi.security.krb.KerberosUser	getKerberosUserByCredentials(ConfigurationContext context)
protected PropertyDescriptor	getSupportedDynamicPropertyDescriptor(String propertyDescriptorName)
protected List<PropertyDescriptor>	getSupportedPropertyDescriptors()

Methods inherited from class org.apache.nifi.dbcp.AbstractDBCPConnectionPool

configureDataSource, getConnection, getDynamicProperties, getKerberosUser, onConfigured, shutdown, verify

Methods inherited from class org.apache.nifi.controller.AbstractControllerService

abstractClearConfigContext, abstractStoreConfigContext, disabled, enabled, getConfigurationContext, getControllerServiceLookup, getIdentifier, getLogger, getNodeTypeProvider, getProperty, getStateManager, init, initialize, isEnabled

Methods inherited from class org.apache.nifi.components.AbstractConfigurableComponent

equals, getPropertyDescriptor, getPropertyDescriptors, hashCode, onPropertyModified, toString, validate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.nifi.dbcp.DBCPService

getConnection, getConnection, getFlowFileFilter, getFlowFileFilter

Methods inherited from interface org.apache.nifi.controller.ControllerService

initialize, isStateful

Methods inherited from interface org.apache.nifi.components.ConfigurableComponent

getIdentifier, getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Methods inherited from interface org.apache.nifi.controller.VerifiableControllerService

verify

Field Detail

SENSITIVE_PROPERTY_PREFIX

protected static final String SENSITIVE_PROPERTY_PREFIX

Property Name Prefix for Sensitive Dynamic Properties

See Also:

Constant Field Values

PROPERTIES

private static final List<PropertyDescriptor> PROPERTIES

KERBEROS_CREDENTIALS_SERVICE

public static final PropertyDescriptor KERBEROS_CREDENTIALS_SERVICE

KERBEROS_PRINCIPAL

public static final PropertyDescriptor KERBEROS_PRINCIPAL

KERBEROS_PASSWORD

public static final PropertyDescriptor KERBEROS_PASSWORD

Constructor Detail

DBCPConnectionPool

public DBCPConnectionPool()

Method Detail

getSupportedPropertyDescriptors

protected List<PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractConfigurableComponent

customValidate

protected Collection<ValidationResult> customValidate(ValidationContext context)

Overrides:

customValidate in class AbstractConfigurableComponent

getDataSource

org.apache.commons.dbcp2.BasicDataSource getDataSource()

getDataSourceConfiguration

protected DataSourceConfiguration getDataSourceConfiguration(ConfigurationContext context)

Specified by:

getDataSourceConfiguration in class AbstractDBCPConnectionPool

getSupportedDynamicPropertyDescriptor

protected PropertyDescriptor getSupportedDynamicPropertyDescriptor(String propertyDescriptorName)

Overrides:

getSupportedDynamicPropertyDescriptor in class AbstractConfigurableComponent

getConnectionProperties

protected Map<String,String> getConnectionProperties(ConfigurationContext context)

Overrides:

getConnectionProperties in class AbstractDBCPConnectionPool

getDriver

protected Driver getDriver(String driverName,
                           String url)

Specified by:

getDriver in class AbstractDBCPConnectionPool

getKerberosUserByCredentials

protected org.apache.nifi.security.krb.KerberosUser getKerberosUserByCredentials(ConfigurationContext context)

Overrides:

getKerberosUserByCredentials in class AbstractDBCPConnectionPool