Example usage for org.springframework.orm.jpa.persistenceunit SpringPersistenceUnitInfo SpringPersistenceUnitInfo

Introduction

In this page you can find the example usage for org.springframework.orm.jpa.persistenceunit SpringPersistenceUnitInfo SpringPersistenceUnitInfo.

Prototype

SpringPersistenceUnitInfo

Source Link

Usage

From source file:org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.java

/**
 * Perform Spring-based scanning for entity classes.
 * @see #setPackagesToScan//from   w w w.  j  a  va  2 s  .co  m
 */
private SpringPersistenceUnitInfo buildDefaultPersistenceUnitInfo() {
    SpringPersistenceUnitInfo scannedUnit = new SpringPersistenceUnitInfo();
    if (this.defaultPersistenceUnitName != null) {
        scannedUnit.setPersistenceUnitName(this.defaultPersistenceUnitName);
    }
    scannedUnit.setExcludeUnlistedClasses(true);

    if (this.packagesToScan != null) {
        for (String pkg : this.packagesToScan) {
            scanPackage(scannedUnit, pkg);
        }
    }

    if (this.mappingResources != null) {
        for (String mappingFileName : this.mappingResources) {
            scannedUnit.addMappingFileName(mappingFileName);
        }
    } else {
        Resource ormXml = getOrmXmlForDefaultPersistenceUnit();
        if (ormXml != null) {
            scannedUnit.addMappingFileName(DEFAULT_ORM_XML_RESOURCE);
            if (scannedUnit.getPersistenceUnitRootUrl() == null) {
                try {
                    scannedUnit.setPersistenceUnitRootUrl(
                            PersistenceUnitReader.determinePersistenceUnitRootUrl(ormXml));
                } catch (IOException ex) {
                    logger.debug("Failed to determine persistence unit root URL from orm.xml location", ex);
                }
            }
        }
    }

    return scannedUnit;
}

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From source file:org.springframework.orm.jpa.persistenceunit.PersistenceUnitReader.java

/**
 * Parse the unit info DOM element.//from  www .  j  ava2 s . c  o  m
 */
protected SpringPersistenceUnitInfo parsePersistenceUnitInfo(Element persistenceUnit, String version,
        @Nullable URL rootUrl) throws IOException {

    SpringPersistenceUnitInfo unitInfo = new SpringPersistenceUnitInfo();

    // set JPA version (1.0 or 2.0)
    unitInfo.setPersistenceXMLSchemaVersion(version);

    // set persistence unit root URL
    unitInfo.setPersistenceUnitRootUrl(rootUrl);

    // set unit name
    unitInfo.setPersistenceUnitName(persistenceUnit.getAttribute(UNIT_NAME).trim());

    // set transaction type
    String txType = persistenceUnit.getAttribute(TRANSACTION_TYPE).trim();
    if (StringUtils.hasText(txType)) {
        unitInfo.setTransactionType(PersistenceUnitTransactionType.valueOf(txType));
    }

    // evaluate data sources
    String jtaDataSource = DomUtils.getChildElementValueByTagName(persistenceUnit, JTA_DATA_SOURCE);
    if (StringUtils.hasText(jtaDataSource)) {
        unitInfo.setJtaDataSource(this.dataSourceLookup.getDataSource(jtaDataSource.trim()));
    }

    String nonJtaDataSource = DomUtils.getChildElementValueByTagName(persistenceUnit, NON_JTA_DATA_SOURCE);
    if (StringUtils.hasText(nonJtaDataSource)) {
        unitInfo.setNonJtaDataSource(this.dataSourceLookup.getDataSource(nonJtaDataSource.trim()));
    }

    // provider
    String provider = DomUtils.getChildElementValueByTagName(persistenceUnit, PROVIDER);
    if (StringUtils.hasText(provider)) {
        unitInfo.setPersistenceProviderClassName(provider.trim());
    }

    // exclude unlisted classes
    Element excludeUnlistedClasses = DomUtils.getChildElementByTagName(persistenceUnit,
            EXCLUDE_UNLISTED_CLASSES);
    if (excludeUnlistedClasses != null) {
        String excludeText = DomUtils.getTextValue(excludeUnlistedClasses);
        unitInfo.setExcludeUnlistedClasses(!StringUtils.hasText(excludeText) || Boolean.valueOf(excludeText));
    }

    // set JPA 2.0 shared cache mode
    String cacheMode = DomUtils.getChildElementValueByTagName(persistenceUnit, SHARED_CACHE_MODE);
    if (StringUtils.hasText(cacheMode)) {
        unitInfo.setSharedCacheMode(SharedCacheMode.valueOf(cacheMode));
    }

    // set JPA 2.0 validation mode
    String validationMode = DomUtils.getChildElementValueByTagName(persistenceUnit, VALIDATION_MODE);
    if (StringUtils.hasText(validationMode)) {
        unitInfo.setValidationMode(ValidationMode.valueOf(validationMode));
    }

    parseProperties(persistenceUnit, unitInfo);
    parseManagedClasses(persistenceUnit, unitInfo);
    parseMappingFiles(persistenceUnit, unitInfo);
    parseJarFiles(persistenceUnit, unitInfo);

    return unitInfo;
}

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