Examples of org.eclipse.persistence.internal.databaseaccess.Platform

Package org.eclipse.persistence.internal.databaseaccess

Examples of org.eclipse.persistence.internal.databaseaccess.Platform

org.eclipse.persistence.internal.databaseaccess.Platform
Platform is private to TopLink. It encapsulates behavior specific to a datasource platform (eg. Oracle, Sybase, DB2, Attunity, MQSeries), and provides the interface for TopLink to access this behavior. @see DatasourcePlatform @see DatabasePlatform @see org.eclipse.persistence.eis.EISPlatform @since OracleAS TopLink 10g (10.0.3)

     * becomes invalid on switching to/from proxy session.
     * This method is called by OracleJDBC_10_1_0_2ProxyConnectionCustomizer  
     * before opening proxy session and before closing it.
     */
    public void clearStatementCache(java.sql.Connection connection) {   
        Platform platform = getDatabaseSession().getDatasourceLogin().getDatasourcePlatform();
        if(platform.isOracle()) {
            ((OraclePlatform)platform).clearOracleConnectionCache(connection);
        }
    }

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            usePlatform(platform);
        } catch(Throwable cne) {
            //next try using ConversionManager
            try {
                platformClass = ConversionManager.loadClass(platformClassName);           
                Platform platform = null;
                if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
                    try {
                        platform = (Platform)AccessController.doPrivileged(new PrivilegedNewInstanceFromClass(platformClass));
                    } catch (PrivilegedActionException exception) {
                        throw ValidationException.platformClassNotFound(exception.getException(), platformClassName);

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     */
    public void setPlatformClassName(String platformClassName, ClassLoader loader) throws ValidationException {
        boolean exceptionCaught = false;
        Class platformClass = null;
        try {
            Platform platform = null;
            if (loader != null) {
                platformClass = loader.loadClass(platformClassName);
                if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
                    try {
                       platform = (Platform)AccessController.doPrivileged(new PrivilegedNewInstanceFromClass(platformClass));

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    /**
     * Set the table qualifier on the reference table if required
     */
    protected void initializeReferenceTable(AbstractSession session) throws DescriptorException {
        Platform platform = session.getDatasourcePlatform();


        if (getReferenceTable() == null) {
            throw DescriptorException.referenceTableNotSpecified(this);
        }


        if (platform.getTableQualifier().length() > 0) {
            if (getReferenceTable().getTableQualifier().length() == 0) {
                getReferenceTable().setTableQualifier(platform.getTableQualifier());
            }
        }
    }

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            platform.getPlatformOperators();
        } catch(Throwable cne) {
            //next try using ConversionManager
            try {
                platformClass = ConversionManager.loadClass(platformClassName);           
                Platform platform = null;
                if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
                    try {
                        platform = (Platform)AccessController.doPrivileged(new PrivilegedNewInstanceFromClass(platformClass));
                    } catch (PrivilegedActionException exception) {
                        throw ValidationException.platformClassNotFound(exception.getException(), platformClassName);

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     */
    public void setPlatformClassName(String platformClassName, ClassLoader loader) throws ValidationException {
        boolean exceptionCaught = false;
        Class platformClass = null;
        try {
            Platform platform = null;
            if (loader != null) {
                platformClass = loader.loadClass(platformClassName);
                if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
                    try {
                       platform = (Platform)AccessController.doPrivileged(new PrivilegedNewInstanceFromClass(platformClass));

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        }
        // turn-off dynamic class generation
        ClassLoader cl = null;
        Login login = orProject.getDatasourceLogin();
        if (login != null) {
            Platform platform = login.getDatasourcePlatform();
            if (platform != null) {
                ConversionManager conversionManager = platform.getConversionManager();
                if (conversionManager != null) {
                    cl = conversionManager.getLoader();
                }
            }
        }
        if (cl != null && cl instanceof XRDynamicClassLoader) {
            XRDynamicClassLoader xrdecl = (XRDynamicClassLoader)cl;
            xrdecl.dontGenerateSubclasses();
        }
        if (oxProject != null) {
        cl = null;
            login = oxProject.getDatasourceLogin();
            if (login != null) {
                Platform platform = login.getDatasourcePlatform();
                if (platform != null) {
                    ConversionManager conversionManager = platform.getConversionManager();
                    if (conversionManager != null) {
                        cl = conversionManager.getLoader();
                    }
                }
            }

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     * INTERNAL:  This method is used to unwrap the oracle connection wrapped by
     * the application server.  TopLink needs this unwrapped connection for certain
     * Oracle Specific support. (ie TIMESTAMPTZ)
     */
    public java.sql.Connection unwrapConnection(java.sql.Connection connection){
        Platform platform = getDatabaseSession().getDatasourceLogin().getDatasourcePlatform();
        if(platform.isOracle() && ((OraclePlatform)platform).canUnwrapOracleConnection()) {
            return ((OraclePlatform)platform).unwrapOracleConnection(connection);
        } else {
            return super.unwrapConnection(connection);
        }
    }

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     * becomes invalid on switching to/from proxy session.
     * This method is called by OracleJDBC_10_1_0_2ProxyConnectionCustomizer  
     * before opening proxy session and before closing it.
     */
    public void clearStatementCache(java.sql.Connection connection) {   
        Platform platform = getDatabaseSession().getDatasourceLogin().getDatasourcePlatform();
        if(platform.isOracle()) {
            ((OraclePlatform)platform).clearOracleConnectionCache(connection);
        }
    }

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        }
        // turn-off dynamic class generation
        ClassLoader cl = null;
        Login login = orProject.getDatasourceLogin();
        if (login != null) {
            Platform platform = login.getDatasourcePlatform();
            if (platform != null) {
                ConversionManager conversionManager = platform.getConversionManager();
                if (conversionManager != null) {
                    cl = conversionManager.getLoader();
                }
            }
        }
        if (cl != null && cl instanceof BaseEntityClassLoader) {
            BaseEntityClassLoader becl = (BaseEntityClassLoader)cl;
            becl.dontGenerateSubclasses();
        }
        cl = null;
        login = oxProject.getDatasourceLogin();
        if (login != null) {
            Platform platform = login.getDatasourcePlatform();
            if (platform != null) {
                ConversionManager conversionManager = platform.getConversionManager();
                if (conversionManager != null) {
                    cl = conversionManager.getLoader();
                }
            }
        }

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Related Classes of org.eclipse.persistence.internal.databaseaccess.Platform

org.eclipse.persistence.internal.descriptors.ObjectBuilder

org.eclipse.persistence.internal.sessions.factories.SessionsFactory

org.eclipse.persistence.internal.xr.ProjectHelper

org.eclipse.persistence.mappings.DirectCollectionMapping

org.eclipse.persistence.mappings.RelationTableMechanism

org.eclipse.persistence.platform.server.oc4j.Oc4jPlatform

org.eclipse.persistence.sessions.DatasourceLogin

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