oracle database 10 java db jdbc database web services

Oracle Database 10g Java DB

JDBC Database Web Services

2005 5

Oracle Database 10g Java DB JDBC Database Web Services 2

Oracle Corporation What’s New for Java DB, JDBC, and Database Web Services in Oracle Database 10g

Oracle Database 10g Java DB JDBC

Database Web Services

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JDBC ......................................................................................................... 3

Oracle Database 10g Release 1 JDBC .................... 3

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/ / / / .................................. 4

Oracle Database 10g Release 2 JDBC .............................. 5

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/ / / / .................................. 5

JDBC .............................................................................. 6

Connection Cache Manager........................................................................... 6

Implicit Connection Cache............................................................................. 9

Fast Connection Fail-Over........................................................................... 15

................................. 17

Java ................................................................ 17

Java .......................................................... 17

Oracle Database 10g Release 1 Java DB .............. 17

Oracle Database 10g Release 2 Java DB ........................ 18

Jpublisher Database Web Services ............................................ 19

Database Web Services ...................................................................................... 19

Oracle Database 10g Release 1 JPublisher

Database Web Services ......................................................................... 19


Database Web Services ..................................................................... 20

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Oracle Database 10g Java DB JDBC


Oracle Database 10g Release 1 Java OracleJVM

Oracle JDBC Oracle Database Web Services

Oracle Database 10g Release 2 Oracle

Oracle Database 10g Release 1 Release 2

Java JDBC Web Services

(i)

(ii)

(iii) Oracle

Java and Web Services Developers Perspective on Oracle

Database 10g

JDBC

Oracle Database 10g Release 1 JDBC

Oracle9i Release 2 JDBC

PreparedStatement

JDBC JDK 1.4x

JDBC 3.0 Oracle Database 10g Release 1

JDBC JDBC 3.0

: CallableStatement PreparedStatement

JDBC

REF Datalink: DATALINK

JDBC 3.0

JDBC Java java.net.URL

J2EE Connector Architecture Resource Adapter: Oracle JDBC Oracle

JCA

: Implicit Connection Cache JDBC 3.0

Oracle



JDBC Web RowSet JSR-114 : API Web Services

J2EE

XML


JSR-114

/ / / /

: Web SQL

Web ID RDBMS

JDBC

Oracle JDBC Datum : Datum

Datum JDBC

SQLException Datum

Instant Client JDBC-OCI : JDBC-OCI

IEEE DOUBLE IEEE FLOAT : Java J2EE

LONG LOB : CLOB BLOB LONG RAW LONG

RAW

LOB: 4

VARRAY :

PL/SQL : PL/SQL 4 Thin JDBC

: 4 Thin JDBC 3DES112

3DES168

XA: 4 Thin JDBC JDBC XA

JDBC-Thin : /




Oracle Database 10g Release 2 JDBC 100% JDBC 3.0

• JDBC 3.0 : Oracle

JDBC 3.0

3

java.sql.DatabaseMetaData java.sql.Statement

java.sql.Connection

° JDBC Oracle

DML

• JDBC 3.0 :

ResultSet

Oracle JDBC Oracle

ResultSet.HOLD.CURSORS_OVER_COMMIT

JDBC RowSet JSR-114: Oracle Database 10g Release 2 JDBC JDK 5.0

JSR-114 Rowset

JavaBeans Rowset 5 JdbcRowSet CachedRowSet WebRowSet

FilteredRowSet JoinRowSet JAXP 1.2

SAX 2.0 DOM W3C XML

/ / / /

JDBC-OCI : JDBC-Thin

RAC/ / : JDBC

RAC

RAC

SSL JDBC-Thin : JDBC JSSE

description PROTOCOL=tcps

TNSNAMES.ORA JDBC-Thin :

JDBC-OCI JDBC-Thin TNSNAMES.ORA

Java

Oracle

JDBC



XA

JDBC XA

ERP

JDBC

Oracle Database 10g JDBC

RAC GRID

Implicit Connection Cache Fast Connection

Failover JDBC Runtime Load Balancing

Connection Cache Manager


Connection Cache Manager VM

Connection Cache Manager JDK/JVM




2


API

Connection Cache Manager DataSource

DataSource

DataSource


DataSource /

DataSource

getConnection()

: Connection Cache Manager

DataSource

Connection Cache Manager API

DataSource



DataSource DataSource




Application Server Connection Cache Manager


JVM Oracle


DataSource close() API DataSource

DataSource Connection

Cache Manager

MinLimit: PooledConnections

1

InitialLimit 0

MaxLimit: PooledConnections

unbound MaxLimit

InitialLimit:

0

0

Implicit Connection Cache

PooledConnections PooledConnections

1 OracleConnectionCacheImpl



API Connection Cache Manager

int getNumberOfAvailableConnections(String cacheName)

API

API

int getNumberOfActiveConnections(String cacheName)

API

API

java.util.properties getCacheProperties(String cacheName)

String[] getCacheNameList()

API Connection Cache Manager

Connection Cache Manager API




AbandonedConnectionTimeout

2

2 SQL



MaxStatementsLimit

0

REFRESH_INVALID_CONNECTIONS REFRESH_ALL_CONNECTIONS 2

• REFRESH_INVALID_CONNECTIONS

PooledConnection3

PooledConnection

• REFRESH_ALL_CONNECTIONS


1: NLS_LANG

// Look up the datasource object

javax.sql.DataSource ds = (javax.sql.DataSource)

ctx.lookup(MyOracleDataSource);

// get a connection from MyCache

java.util.Properties connAttr = null;

connAttr.setProperty(“NLS_LANG”, “ISO-LATIN-1”);

conn = ds.getConnection(connAttr); // retrieve connection -

NLS_LANG

…

conn.applyConnectionAttributes(connAttr); // apply attributes

Statement stmt = conn.createStatement();

stmt.execute(“select empname from emp”);

…

conn.close(); // release the connection back to MyCache

2:

…


connAttr.setProperty(“TRANSACTION_ISOLATION”,

“SERIALIZABLE”);

conn = ds.getConnection(connAttr); // retrieve connection that

matches Transaction Isolation

3 select 1 from dual



…

conn.close(connAttr); // another way to apply attributes to the

connection

3:

…


connAttr.setProperty(“CONNECTION_TAG”, “JOE’S_CONNECTION”);

conn = ds.getConnection(connAttr); // retrieve connection that

matches Joe’s connection

…

conn.close(connAttr); // apply attributes to the connection

…

conn = ds.getConnection(connAttr); // This will retrieve Joe’s

connection

CacheAttributeWeight java.util.Properties

ConnectionAttribute

getConnection(connectionAttributes)

•

• connectionAttributes

CacheAttributeWeights

java.util.properties cacheProps = new Properties();

java.util.properties cacheWeights = null;

cacheWeights.setProperty(“NLSLANG”, “10”);

cacheWeights.setProperty(“SecurityGroup”, “8”);

cacheWeights.setProperty(“Application”, “4”);

…

// set weights on the cache

cacheProps.put(CacheAttributeWeights, cacheWeights);

…

java.util.properties connAttr = null;

connAttr.setProperty(“NLSLANG”, “ISO-LATIN-1”);

connAttr.setProperty(“SecurityGroup”, “1”);

connAttr.setProperty(“Application”, “HR”)

// Request connection

ds.setCacheName(“MyCache”);



// First retrieval of connection from myCache

conn = ds.getConnection(connAttr);

…

conn.close(connAttr); // apply attributes on the connection

…

// Next retrieval finds the connection in the cache

conn = ds.getConnection(connAttr);

…

getConnection() MyCache

• : NLS_LANG

SecurityGroup Application

• : ClosestConnectionMatch

NLS_LANG APPLICATION SECURITY_GROUP

connection1

10 NLS_LANG connection2 12

SECURITY_GROUP APPLICATION

connection2

connection1 connection2

connectionAttributes

DataSource

getUnMatchedConnectionAttributes() API

java.util.Properties

2 1

applyConnectionAttributes(java.util.properties connAttr) API

API

A

API NLS_LANG B

TXN_ISOLATION 2

close(java.util.properties connAttr) API

API

PooledConnection close() API



applyConnectionAttributes() API



close(connectionAttributes) API

API PooledConnection

connectionAttributes PooledConnection

// Sample connection request and close

java.util.properties connAttr = null;

connAttr.setProperty(“NLSLANG”, “ISO-LATIN-1”);

conn = ds.getConnection(connAttr); // request connection based

on attributes

java.util.properties unmatchedAttr =

conn.getUnMatchedConnectionAttributes();

…

--- App Server code applies unmatched attributes to the

connection, either by

calling PL/SQL procedures or SQL, before using the connection.

---

--- work ---

…

conn.close(connAttr); // apply attributes to connection

Fast Connection Fail-Over

Fast Connection Failover Implicit Connection Cache RAC

RAC

RAC

2 2 RAC

100

50 RAC

1 50

Fast Connection Failover

RAC

DataSource FastConnectionFailoverEnabled true

DataSource



// Example to show binding of OracleDataSource to JNDI

// with relevant cache properties set on the DataSource.

import oracle.jdbc.pool.*; // import the pool package

Context ctx = new IntialContext(ht);

OracleDataSource ods = new OracleDataSource();

// Set DataSource properties

ods.setUser(“Scott”);

ods.setPassword(“tiger”);

ods.setConnectionCachingEnabled(True);

ods.setConnectionCacheName(“MyCache”);

ods.setConnectionCacheProperties(cp);

setURL("jdbc:oracle:thin:@(DESCRIPTION= (LOAD_BALANCE=on)

(ADDRESS=(PROTOCOL=TCP)(HOST=host1) (PORT=1521))

(ADDRESS=(PROTOCOL=TCP)(HOST=host2)(PORT=1521))

(CONNECT_DATA=(SERVICE_NAME=service_name)))");

ods.setFastConnectionFailoverEnabled(true); // Enable fast

connection failover

ctx.bind(“MyDS”, ods);

…

ds = lookup(“MyDS”); // lookup DataSource from the cache

// implicitly create connection cache, that is set up for fast

connection failover

conn = ds.getConnection();

…

conn.close(); // return connection to the cache

…

ods.close() // close datasource and cleanup the cache

Fast Connection Failover Service DOWN Service UP

Host DOWN DOWN

UP

Fast Connection Failover

RAC

:

Implicit Connection

Cache Fast Connection Failover

RAC UP :

RAC

RAC



Oracle Database 10g Release 1 RAC

TNS Listener

Oracle Database 10g Release 2 RAC

30 RLB

RAC Automatic Workload Repository AWR

Oracle JDBC Connection Cache Manager RAC

RLB RLB

RAC

Java

Java

Java PL/SQL

Java RDBMS

J2EE POJOS JDBC

Java

Java Java

Java

Oracle Database 10g Release 1 Java DB

OracleJVM Java JCE

JSSE Headless AWT JAXP J2SE 1.4

OracleJVM

Java

JDBC

loadjava

EJB HttpClient RMI/JRMP RMI/IIOP SOAP



JPublisher Call Spec PL/SQL

Java

Oracle Database 10g Release 2 Java DB

OracleJVM

PGA_AGGREGATE_TARGET SQL

OracleJVM GC

Java Audit

Oracle Database 10g Release 2 PL/SQL SQL

Java / SQL Audit

Java Java Java

Java Audit

Java Audit SQL

CREATE JAVA SOURCE CREATE JAVA SOURCE

CREATE OR REPLACE JAVA SOURCE

ALTER JAVA RESOURCE ALTER JAVA RESOURCE

DROP JAVA SOURCE DROP JAVA SOURCE

CREATE JAVA CLASS CREATE JAVA CLASS

CREATE OR REPLACE JAVA CLASS

ALTER JAVA CLASS ALTER JAVA CLASS

DROP JAVA CLASS DROP JAVA CLASS

CREATE JAVA RESOURCE CREATE JAVA RESOURCE

CREATE OR REPLACE JAVA RESOURCE

ALTER JAVA RESOURCE ALTER JAVA RESOURCE

DROP JAVA RESOURCE DROP JAVA RESOURCE



Jpublisher Database Web Services



• Web Services

Web Services

Web Services

• Web Services

SQL

Web Services

IRS

• Oracle Application Server Web Services

Web Services WS-Security

WS-Relaiability WS-Management SOAP/HTTP

Service Oriented Architecture



JPublisher

JDBC : NCHAR Timestamp SQLJ SQL

Opaque

PL/SQL

Java


• WSDL Java PL/SQL

Web Services

•

• Web Services PL/SQL Java SQL

SQL DML

• PL/SQL CLOB BLOB

• REF CURSOR



Oracle Database 10g Release 2 JPublisher Database

Web Services

• Java JDBC

• Web Services Streams/Advance Queue

• Web Services

•

• SQLJ JDBC

Oracle Database 10g Release 1 Release 2

Java JDBC Web Services

Web Services

RAC

Oracle Database 10g Java DB JDBC Database Web Services

2005 5

: Kuassi Mensah

Oracle Corporation

World Headquarters

500 Oracle Parkway

Redwood Shores, CA 94065

U.S.A.

:

: +1.650.506.7000

: +1.650.506.7200

www.oracle.com

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oracle database 10 java db jdbc database web services

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