Examples of org.apache.openjpa.jdbc.identifier.DBIdentifier

Package org.apache.openjpa.jdbc.identifier

Examples of org.apache.openjpa.jdbc.identifier.DBIdentifier

org.apache.openjpa.jdbc.identifier.DBIdentifier
Encapsulates a database identifier. With a few exceptions, this class is intended to treated as immutable.

    /**
     * Creates the sequence object.
     */
    private void buildSequence() {
        QualifiedDBIdentifier path = QualifiedDBIdentifier.getPath(_seqName);
        DBIdentifier seqName = path.getIdentifier();
        // JPA 2 added schema as a configurable attribute on  
        // sequence generator.  OpenJPA <= 1.x allowed this via
        // schema.sequence on the sequence name.  Specifying a schema
        // name on the annotation or in the orm will override the old 
        // behavior.
        DBIdentifier schemaName = _schema;
        if (DBIdentifier.isEmpty(schemaName)) {
            schemaName = path.getSchemaName();
            if (DBIdentifier.isEmpty(schemaName))
                schemaName = Schemas.getNewTableSchemaIdentifier(_conf);
        }

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    private boolean startTable(Attributes attrs)
        throws SAXException {
        ClassMapping mapping = (ClassMapping) currentElement();
        if (mapping.isAbstract())
            throw new UserException(_loc.get("table-not-allowed", mapping));
        DBIdentifier table = toTableIdentifier(attrs.getValue("schema"),
            attrs.getValue("name"));
        if (!DBIdentifier.isNull(table))
            mapping.getMappingInfo().setTableIdentifier(table);
        return true;
    }

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    /**
     * Parse join-table.
     */
    private boolean startJoinTable(Attributes attrs)
        throws SAXException {
        DBIdentifier sTable = toTableIdentifier(attrs.getValue("schema"),
            attrs.getValue("name"));
        if (!DBIdentifier.isNull(sTable)) {
            Object elem = currentElement();
            FieldMapping fm = null;
            if (elem instanceof FieldMapping) {
                fm = (FieldMapping) elem; 
                if (_override != null) {
                    FieldMapping basefm = (FieldMapping) elem;
                    fm = getAttributeOverrideForEmbeddable(basefm, 
                        _override, false);
                    if (fm == null) {
                        DeferredEmbeddableOverrides dfm = 
                            getDeferredFieldMappingInfo(
                                AnnotationPersistenceMappingParser.
                                getEmbeddedClassType(basefm, _override),
                                basefm, _override, true);
                        dfm._defTable = sTable.clone();
                        dfm._attrName = _override;
                    }
                }
            } else if (elem instanceof ClassMapping) {
                ClassMapping cm = (ClassMapping) elem;

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    private boolean startCollectionTable(Attributes attrs)
        throws SAXException {
        FieldMapping fm = (FieldMapping) peekElement();


        FieldMappingInfo info = fm.getMappingInfo();
        DBIdentifier ctbl = parseCollectionTable(attrs);
        info.setTableIdentifier(ctbl);
        return true;
    }

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    /**
     * Form a qualified table name from a schema and table name.
     */
    private DBIdentifier toTableIdentifier(String schema, String table) {
        DBIdentifier sName = DBIdentifier.newSchema(schema, delimit());
        DBIdentifier tName = DBIdentifier.newTable(table, delimit());
        if (DBIdentifier.isEmpty(tName) || DBIdentifier.isEmpty(sName)) {
            return tName;
        }
        return QualifiedDBIdentifier.newPath(sName, tName);
    }

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     */
    private boolean startUniqueConstraint(Attributes attrs) 
        throws SAXException {
        Unique unique = new Unique();


        DBIdentifier name = DBIdentifier.newConstraint(attrs.getValue("name"), delimit());
        if (!DBIdentifier.isEmpty(name)) {
            unique.setIdentifier(name);
        }


        pushElement(unique);

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     * ClassMappingInfo. 
     */
    private void endUniqueConstraint() {
        Unique unique = (Unique) popElement();
        Object ctx = currentElement();
        DBIdentifier tableName = DBIdentifier.newTable("?");
        if (ctx instanceof ClassMapping) {
          ClassMappingInfo info = ((ClassMapping) ctx).getMappingInfo();
          tableName = (_secondaryTable == null) 
            ? info.getTableIdentifier() : DBIdentifier.newTable(_secondaryTable, delimit());
          info.addUnique(tableName, unique);

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        StringBuilder buf = new StringBuilder();
        buf.append("CREATE ");
        if (index.isUnique())
            buf.append("UNIQUE ");
        
        DBIdentifier fullIdxName = index.getIdentifier();
        DBIdentifier unQualifiedName = fullIdxName.getUnqualifiedName();
        checkNameLength(toDBName(unQualifiedName), maxIndexNameLength, 
                "long-index-name");
        String indexName = toDBName(fullIdxName);
         
        buf.append("INDEX ").append(indexName);

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     * &lt;fk name&gt;</code> by default.
     */
    public String[] getDropForeignKeySQL(ForeignKey fk, Connection conn) {
        if (DBIdentifier.isNull(fk.getIdentifier())) {
            String[] retVal;
            DBIdentifier fkName = fk.loadIdentifierFromDB(this,conn);
            retVal = (fkName == null || fkName.getName() == null) ?  new String[0] :
                new String[]{ "ALTER TABLE "
                + getFullName(fk.getTable(), false)
                + " DROP CONSTRAINT " + toDBName(fkName) };
            return retVal;
        }

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     * @param targetSchema if true, then the given schema was listed by
     * the user as one of his schemas
     */
    public boolean isSystemTable(DBIdentifier name, DBIdentifier schema,
        boolean targetSchema) {
        DBIdentifier sName = DBIdentifier.toUpper(name);
        if (systemTableSet.contains(sName.getName()))
            return true;
        DBIdentifier schName = DBIdentifier.toUpper(schema);
        return !targetSchema && schema != null
            && systemSchemaSet.contains(schName.getName());
    }

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