DatabasesHandler (C-JDBC 1.0b15 API)

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org.objectweb.cjdbc.controller.xml
Class DatabasesHandler

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.objectweb.cjdbc.controller.xml.DatabasesHandler

All Implemented Interfaces:: org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class DatabasesHandler
extends org.xml.sax.helpers.DefaultHandler

Parses an XML content conforming to C-JDBC.dtd and configure the given C-JDBC Controller accordingly.

Version:: 1.0
Author:: Emmanuel Cecchet , Mathieu Peltier

Field Summary
`private java.util.ArrayList`	`backendNameList`
`private boolean`	`backgroundParsing`
`private long`	`beginTimeout`
`private static java.lang.String`	`C_JDBC_DTD_FILE` C-JDBC DTD file name (must be found in classpath).
`private boolean`	`caseSensitiveParsing`
`private long`	`commitTimeout`
`private java.lang.String`	`connectionManagerVLogin`
`private Controller`	`controller` C-JDBC controller to setup.
`private AuthenticationManager`	`currentAuthenticationManager`
`private DatabaseBackend`	`currentBackend`
`private CreateTablePolicy`	`currentCreateTablePolicy`
`private CreateTableRule`	`currentCreateTableRule`
`private DatabaseBackendUser`	`currentDatabaseBackendUser`
`private DatabaseSchema`	`currentDatabaseSchema`
`private ErrorCheckingPolicy`	`currentErrorCheckingPolicy`
`private AbstractLoadBalancer`	`currentLoadBalancer`
`private int`	`currentNbOfConcurrentReads`
`private JDBCRecoveryLog`	`currentRecoveryLog`
`private AbstractRequestCache`	`currentRequestCache`
`private AbstractScheduler`	`currentRequestScheduler`
`private DatabaseTable`	`currentTable`
`private VirtualDatabase`	`currentVirtualDatabase`
`private VirtualDatabaseUser`	`currentVirtualUser`
`private WaitForCompletionPolicy`	`currentWaitForCompletionPolicy`
`private java.util.Hashtable`	`dbToPrepare` dbToPrepare is used if only a specified database has to be loaded
`private static int`	`DEFAULT_BACKLOG` Default backlog size for the server socket.
`private static long`	`DEFAULT_BEGIN_TIMEOUT` Default begin timeout in milliseconds.
`private static long`	`DEFAULT_COMMIT_TIMEOUT` Default commit timeout in milliseconds.
`private static int`	`DEFAULT_MAX_CONNECTIONS` Default maximum number of connections.
`private static int`	`DEFAULT_MAX_THREADS` Default maximum number of threads to process connections.
`private static int`	`DEFAULT_MIN_THREADS` Default minimum number of threads to process connections.
`private static int`	`DEFAULT_PORT` Default port number on which clients will connect.
`private static int`	`DEFAULT_REQUEST_TIMEOUT` Default request timeout in milliseconds.
`private static long`	`DEFAULT_ROLLBACK_TIMEOUT` Default rollback timeout in milliseconds.
`(package private) static Trace`	`logger` Logger instance.
`private int`	`numberOfColumns`
`private int`	`requestTimeout`
`private long`	`rollbackTimeout`
`private boolean`	`skipDatabase` setter for jumping from one VirtualDatabase definition to the next one

Constructor Summary
`DatabasesHandler(Controller controller)` Creates a new `DatabasesHandler`

Method Summary
`void`	`endDocument()` Finalizes parsing of a document.
`void`	`endElement(java.lang.String uri, java.lang.String localName, java.lang.String name)` DatabasesHandler for end of element.
`void`	`error(org.xml.sax.SAXParseException e)` Handles notification of a recoverable parser error.
`void`	`fatalError(org.xml.sax.SAXParseException e)` Handles notification of a non-recoverable parser error.
`private void`	`newAdminLogin(org.xml.sax.Attributes atts)` Sets the administrator user of the `currentAuthenticationManager` using the parsed attributs.
`private void`	`newAuthenticationManager(org.xml.sax.Attributes atts)` Sets `currentAuthenticationManager` as a new `AuthenticationManager`.
`private void`	`newBackendName(org.xml.sax.Attributes atts)` Adds a backend name to the current backendNameList.
`private void`	`newBackendWeight(org.xml.sax.Attributes atts)` Sets the weight of the `currentLoadBalancer` using the parsed attributes.
`private void`	`newConnectionManager(org.xml.sax.Attributes atts)` Sets the currentRecoveryLog as new `JDBCRecoveryLog` using the parsed attributes.
`private void`	`newCreateTable(org.xml.sax.Attributes atts)` Add a CreateTable rule.
`private void`	`newDatabaseBackend(org.xml.sax.Attributes atts)` Sets `currentBackend` as a new `DatabaseBackend` using the parsed attributes.
`private void`	`newDatabaseColumn(org.xml.sax.Attributes atts)` Adds to `currentTable` a new `DatabaseColumn` using the parsed attributes.
`private void`	`newDatabaseTable(org.xml.sax.Attributes atts)` Sets `currentTable` as a new `DatabaseTable` using the parsed attributs.
`private void`	`newDistribution(org.xml.sax.Attributes atts)` Sets `currentBackend` as a new `DatabaseBackend` using the parsed attributes.
`private void`	`newErrorChecking(org.xml.sax.Attributes atts)` Add an ErrorChecking policy.
`private void`	`newFailFastPoolConnectionManager(org.xml.sax.Attributes atts)` Adds a new `FailFastPoolConnectionManager` to `currentBackend` using the parsed attributes.
`private void`	`newFileRecoveryLog(org.xml.sax.Attributes atts)` Sets the currentRecoveryLog as new `FileRecoveryLog` using the parsed attributes.
`private void`	`newJDBCRecoveryCheckpointTable(org.xml.sax.Attributes atts)` Sets the recovery log table create statement for the current `JDBCRecoveryLog` using the `RecoveryLogTable` parsed attributes.
`private void`	`newJDBCRecoveryLog(org.xml.sax.Attributes atts)` Sets the currentRecoveryLog as new `JDBCRecoveryLog` using the parsed attributes.
`private void`	`newJDBCRecoveryLogTable(org.xml.sax.Attributes atts)` Sets the recovery log table create statement for the current `JDBCRecoveryLog` using the `RecoveryLogTable` parsed attributes.
`private void`	`newQueryCache(org.xml.sax.Attributes atts)` Sets `currentRequestCache` as a new `QueryCache` using the parsed attributes.
`private void`	`newQueryCacheDB(org.xml.sax.Attributes atts)` Sets `currentRequestCache` as a new `QueryCacheDB` and `currentBackend` as a new `DatabaseBackend` using the parsed attributes.
`private void`	`newRAIDb0LoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb0` using the parsed attributes.
`private void`	`newRAIDb0Scheduler(org.xml.sax.Attributes atts)` Sets `currentRequestScheduler` as a new `RAIDb0QueryLevelScheduler` using the parsed attributes.
`private void`	`newRAIDb1ecLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb1ec` using the parsed attributes.
`private void`	`newRAIDb1ecRoundRobinLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb1ec_RR` using the parsed attributes.
`private void`	`newRAIDb1ecWeightedRoundRobinLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb1ec_WRR` using the parsed attributes.
`private void`	`newRAIDb1LeastPendingRequestsFirst(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb1_LPRF` using the parsed attributes.
`private void`	`newRAIDb1LoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb1` using the parsed attributes.
`private void`	`newRAIDb1RoundRobinLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb1_RR` using the parsed attributes.
`private void`	`newRAIDb1Scheduler(org.xml.sax.Attributes atts)` Sets `currentRequestScheduler` as a new `RAIDb1QueryLevelScheduler` using the parsed attributes.
`private void`	`newRAIDb1WeightedRoundRobinLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb1_WRR` using the parsed attributes.
`private void`	`newRAIDb2ecLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb2ec` using the parsed attributes.
`private void`	`newRAIDb2ecRoundRobinLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb2ec_RR` using the parsed attributes.
`private void`	`newRAIDb2ecWeightedRoundRobinLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb2ec_WRR` using the parsed attributes.
`private void`	`newRAIDb2LeastPendingRequestsFirst(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb2_LPRF` using the parsed attributes.
`private void`	`newRAIDb2LoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb2` using the parsed attributes.
`private void`	`newRAIDb2RoundRobinLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb2_RR` using the parsed attributes.
`private void`	`newRAIDb2Scheduler(org.xml.sax.Attributes atts)` Sets `currentRequestScheduler` as a new `RAIDb2QueryLevelScheduler` using the parsed attributes.
`private void`	`newRAIDb2WeightedRoundRobinLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `RAIDb2_WRR` using the parsed attributes.
`private void`	`newRandomWaitPoolConnectionManager(org.xml.sax.Attributes atts)` Adds a new `RandomWaitPoolConnectionManager` to `currentBackend` using the parsed attributes.
`private void`	`newRealLogin(org.xml.sax.Attributes atts)` Associates a new real database backend user to the virtual database user `currentVirtualUser` in the `currentAuthenticationManager` using the parsed attributes.
`private void`	`newRequestManager(org.xml.sax.Attributes atts)` Sets the `beginTimeout`, `commitTimeout` and `rollbackTimeout` timeouts (in ms) using the parsed attributes.
`private void`	`newSimpleConnectionManager(org.xml.sax.Attributes atts)` Adds a new `SimpleConnectionManager` to `currentBackend` using the parsed attributes.
`private void`	`newSingleDBRequestLoadBalancer(org.xml.sax.Attributes atts)` Sets `currentLoadBalancer` as a new `SingleDB` using the parsed attributes.
`private void`	`newSingleDBScheduler(org.xml.sax.Attributes atts)` Sets `currentRequestScheduler` as a new `SingleDBQueryLevelScheduler` using the parsed attributes.
`private void`	`newVariablePoolConnectionManager(org.xml.sax.Attributes atts)` Adds a new `VariablePoolConnectionManager` to `currentBackend` using the parsed attributes.
`private void`	`newVirtualDatabase(org.xml.sax.Attributes atts)` Sets `currentVirtualDatabase` as a new `VirtualDatabase` using the parsed attributes.
`private void`	`newVirtualLogin(org.xml.sax.Attributes atts)` Sets `currentVirtualUser` as a new `VirtualDatabaseUser` using the parsed attributes and adds this new virtual database user to the `currentAuthenticationManager`.
`private void`	`newWaitForCompletion(org.xml.sax.Attributes atts)` Set the WaitForCompletion policy.
`void`	`prepareDB(java.lang.String virtualName, boolean autoEnable, java.lang.String checkPoint)` If this method is called.
`org.xml.sax.InputSource`	`resolveEntity(java.lang.String publicId, java.lang.String systemId)` Allows to parse the document with a local copy of the DTD whatever the original `DOCTYPE` found.
`void`	`startDocument()` Initializes parsing of a document.
`void`	`startElement(java.lang.String uri, java.lang.String localName, java.lang.String name, org.xml.sax.Attributes atts)` Analyzes an element first line.

Methods inherited from class org.xml.sax.helpers.DefaultHandler

characters, endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, setDocumentLocator, skippedEntity, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

C_JDBC_DTD_FILE

private static final java.lang.String C_JDBC_DTD_FILE

C-JDBC DTD file name (must be found in classpath).

See Also:: Constant Field Values

DEFAULT_BEGIN_TIMEOUT

private static final long DEFAULT_BEGIN_TIMEOUT

Default begin timeout in milliseconds.

See Also:: Constant Field Values

DEFAULT_COMMIT_TIMEOUT

private static final long DEFAULT_COMMIT_TIMEOUT

Default commit timeout in milliseconds.

See Also:: Constant Field Values

DEFAULT_ROLLBACK_TIMEOUT

private static final long DEFAULT_ROLLBACK_TIMEOUT

Default rollback timeout in milliseconds.

See Also:: Constant Field Values

DEFAULT_REQUEST_TIMEOUT

private static final int DEFAULT_REQUEST_TIMEOUT

Default request timeout in milliseconds.

See Also:: Constant Field Values

DEFAULT_PORT

private static final int DEFAULT_PORT

Default port number on which clients will connect.

See Also:: Constant Field Values

DEFAULT_BACKLOG

private static final int DEFAULT_BACKLOG

Default backlog size for the server socket.

See Also:: Constant Field Values

DEFAULT_MAX_CONNECTIONS

private static final int DEFAULT_MAX_CONNECTIONS

Default maximum number of connections.

See Also:: Constant Field Values

DEFAULT_MIN_THREADS

private static final int DEFAULT_MIN_THREADS

Default minimum number of threads to process connections.

See Also:: Constant Field Values

DEFAULT_MAX_THREADS

private static final int DEFAULT_MAX_THREADS

Default maximum number of threads to process connections.

See Also:: Constant Field Values

logger

static Trace logger

Logger instance.

controller

private Controller controller

C-JDBC controller to setup.

dbToPrepare

private java.util.Hashtable dbToPrepare

dbToPrepare is used if only a specified database has to be loaded

skipDatabase

private boolean skipDatabase

setter for jumping from one VirtualDatabase definition to the next one

currentVirtualDatabase

private VirtualDatabase currentVirtualDatabase

currentBackend

private DatabaseBackend currentBackend

currentDatabaseBackendUser

private DatabaseBackendUser currentDatabaseBackendUser

currentAuthenticationManager

private AuthenticationManager currentAuthenticationManager

currentRequestScheduler

private AbstractScheduler currentRequestScheduler

currentRequestCache

private AbstractRequestCache currentRequestCache

currentLoadBalancer

private AbstractLoadBalancer currentLoadBalancer

currentRecoveryLog

private JDBCRecoveryLog currentRecoveryLog

currentVirtualUser

private VirtualDatabaseUser currentVirtualUser

currentDatabaseSchema

private DatabaseSchema currentDatabaseSchema

currentTable

private DatabaseTable currentTable

numberOfColumns

private int numberOfColumns

connectionManagerVLogin

private java.lang.String connectionManagerVLogin

currentWaitForCompletionPolicy

private WaitForCompletionPolicy currentWaitForCompletionPolicy

beginTimeout

private long beginTimeout

commitTimeout

private long commitTimeout

rollbackTimeout

private long rollbackTimeout

requestTimeout

private int requestTimeout

backgroundParsing

private boolean backgroundParsing

caseSensitiveParsing

private boolean caseSensitiveParsing

currentCreateTablePolicy

private CreateTablePolicy currentCreateTablePolicy

currentCreateTableRule

private CreateTableRule currentCreateTableRule

backendNameList

private java.util.ArrayList backendNameList

currentErrorCheckingPolicy

private ErrorCheckingPolicy currentErrorCheckingPolicy

currentNbOfConcurrentReads

private int currentNbOfConcurrentReads

Constructor Detail