Package oracle.toplink.essentials.sequencing

Examples of oracle.toplink.essentials.sequencing.TableSequence


                    }
                }
            }
   
            Sequence defaultAutoSequence = null;
            TableSequence defaultTableSequence = new TableSequence(MetadataConstants.DEFAULT_TABLE_GENERATOR);
            NativeSequence defaultObjectNativeSequence = new NativeSequence(MetadataConstants.DEFAULT_SEQUENCE_GENERATOR, false);
            NativeSequence defaultIdentityNativeSequence = new NativeSequence(MetadataConstants.DEFAULT_IDENTITY_GENERATOR, 1, true);
           
            // Sequences keyed on generator names.
            Hashtable<String, Sequence> sequences = new Hashtable<String, Sequence>();
           
            for (MetadataSequenceGenerator sequenceGenerator : m_sequenceGenerators.values()) {
                String sequenceGeneratorName = sequenceGenerator.getName();
                String seqName = (sequenceGenerator.getSequenceName().equals("")) ? sequenceGeneratorName : sequenceGenerator.getSequenceName();
                NativeSequence sequence = new NativeSequence(seqName, sequenceGenerator.getAllocationSize(), false);
                sequences.put(sequenceGeneratorName, sequence);
               
                if (sequenceGeneratorName.equals(MetadataConstants.DEFAULT_AUTO_GENERATOR)) {
                    // SequenceGenerator defined with DEFAULT_AUTO_GENERATOR.
                    // The sequence it defines will be used as a defaultSequence.
                    defaultAutoSequence = sequence;
                } else if (sequenceGeneratorName.equals(MetadataConstants.DEFAULT_SEQUENCE_GENERATOR)) {
                    // SequenceGenerator deinfed with DEFAULT_SEQUENCE_GENERATOR.
                    // All sequences of GeneratorType SEQUENCE
                    // referencing non-defined generators will use a clone of
                    // the sequence defined by this generator.
                    defaultObjectNativeSequence = sequence;
                }
            }

            for (MetadataTableGenerator tableGenerator : m_tableGenerators.values()) {
                String tableGeneratorName = tableGenerator.getName();
                String seqName = (tableGenerator.getPkColumnValue().equals("")) ? tableGeneratorName : tableGenerator.getPkColumnValue();
                TableSequence sequence = new TableSequence(seqName, tableGenerator.getAllocationSize(), tableGenerator.getInitialValue());
                sequences.put(tableGeneratorName, sequence);

                //bug 2647: pull schema and catalog defaults from the persistence Unit if they are not defined. 
                String catalogName = tableGenerator.getCatalog();
                String schemaName = tableGenerator.getSchema();
                if (this.getPersistenceUnit()!=null){
                    catalogName = catalogName.length()>0? catalogName: this.getPersistenceUnit().getCatalog();
                    schemaName = schemaName.length()>0? schemaName: this.getPersistenceUnit().getSchema();
                }

                // Get the database table from the @TableGenerator values.
                // In case tableGenerator.table().equals("") default sequence
                // table name will be extracted from sequence and used, see
                // TableSequence class.
                sequence.setTable(new DatabaseTable(MetadataHelper.getFullyQualifiedTableName(tableGenerator.getTable(), sequence.getTableName(), catalogName, schemaName)));
               
                // Process the @UniqueConstraints for this table.
                for (String[] uniqueConstraint : tableGenerator.getUniqueConstraints()) {
                    sequence.getTable().addUniqueConstraints(uniqueConstraint);
                }
               
                if (! tableGenerator.getPkColumnName().equals("")) {
                    sequence.setNameFieldName(tableGenerator.getPkColumnName());
                }
                   
                if (! tableGenerator.getValueColumnName().equals("")) {
                    sequence.setCounterFieldName(tableGenerator.getValueColumnName());
                }

                if (tableGeneratorName.equals(MetadataConstants.DEFAULT_AUTO_GENERATOR)) {
                    // TableGenerator defined with DEFAULT_AUTO_GENERATOR.
                    // The sequence it defines will be used as a defaultSequence.
                    defaultAutoSequence = sequence;
                } else if (tableGeneratorName.equals(MetadataConstants.DEFAULT_TABLE_GENERATOR)) {
                    // SequenceGenerator defined with DEFAULT_TABLE_GENERATOR.
                    // All sequences of GenerationType TABLE referencing non-
                    // defined generators will use a clone of the sequence
                    // defined by this generator.
                    defaultTableSequence = sequence;
                }
            }

            // Finally loop through descriptors and set sequences as required into
            // Descriptors and Login
            boolean usesAuto = false;
            for (Class entityClass : m_generatedValues.keySet()) {
                MetadataDescriptor descriptor = m_allDescriptors.get(entityClass.getName());
                MetadataGeneratedValue generatedValue = m_generatedValues.get(entityClass);
                String generatorName = generatedValue.getGenerator();
                Sequence sequence = null;

                if (! generatorName.equals("")) {
                    sequence = sequences.get(generatorName);
                }
               
                if (sequence == null) {
                    if (generatedValue.getStrategy().equals(MetadataConstants.TABLE)) {
                        if (generatorName.equals("")) {
                            sequence = defaultTableSequence;
                        } else {
                            sequence = (Sequence)defaultTableSequence.clone();
                            sequence.setName(generatorName);
                        }
                    } else if (generatedValue.getStrategy().equals(MetadataConstants.SEQUENCE)) {
                        if (generatorName.equals("")) {
                            sequence = defaultObjectNativeSequence;
                        } else {
                            sequence = (Sequence)defaultObjectNativeSequence.clone();
                            sequence.setName(generatorName);
                        }
                    } else if (generatedValue.getStrategy().equals(MetadataConstants.IDENTITY)) {
                        if (generatorName.equals("")) {
                            sequence = defaultIdentityNativeSequence;
                        } else {
                            sequence = (Sequence)defaultIdentityNativeSequence.clone();
                            sequence.setName(generatorName);
                        }
                    }
                }

                if (sequence != null) {
                    descriptor.setSequenceNumberName(sequence.getName());
                    login.addSequence(sequence);
                } else {
                    // this must be generatedValue.getStrategy().equals(MetadataConstants.AUTO)
                    usesAuto = true;
                    String seqName;
View Full Code Here

TOP

Related Classes of oracle.toplink.essentials.sequencing.TableSequence

Copyright © 2018 www.massapicom. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.