Examples of org.eclipse.persistence.platform.database.converters.StructConverter

Package org.eclipse.persistence.platform.database.converters

Examples of org.eclipse.persistence.platform.database.converters.StructConverter

org.eclipse.persistence.platform.database.converters.StructConverter
PUBLIC: A StuctConverter can be added to a DatabasePlatform It allows custom processing dealing java.sql.Struct types When added to the DatabasePlatform: 1. convertToObject(Struct) will be invoked when a Struct named by the value returned by getStructName() is returned from the database. This conversion happens immediately after the object is returned from the database 2. convertToStruct(Object, Connection) will be invoked when an Object of the class returned by getJavaType() is written to the database. This conversion happens immediately before the object is written to the database Note: Many Structs can also be mapped with mappings StructureMapping and ObjectRelationalDataTypeDescriptor This class provides support for advanced types of Structures that require some processing immediately before writing to the database or immediately after reading from the database. @see org.eclipse.persistence.mappings.structures.StructureMapping @see org.eclipse.persistence.mappings.structures.ObjectRelationalDataTypeDescriptor

     * These StructConverters can be added to the Session 
     */
    public List<StructConverter> getStructConverters() {
        List<StructConverter> structConverters = new ArrayList<StructConverter>();
        for (StructConverterMetadata converter: m_project.getStructConverters()) {
            StructConverter structConverter = (StructConverter) MetadataHelper.getClassInstance(converter.getConverterClassName(), m_loader);
            structConverters.add(structConverter);
        }
        
        return structConverters;
    }

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     * that must be bound.
     */
    public Object getCustomModifyValueForCall(Call call, Object value, DatabaseField field, boolean shouldBind) {
        
        if (typeConverters != null){
            StructConverter converter = typeConverters.get(field.getType());
            
            if (converter != null) {
                Object bindValue = value;
                if (bindValue == null) {
                    bindValue = new ObjectRelationalDatabaseField(field);
                    ((ObjectRelationalDatabaseField)bindValue).setSqlType(java.sql.Types.STRUCT);
                    ((ObjectRelationalDatabaseField)bindValue).setSqlTypeName(converter.getStructName());
                }
                return new BindCallCustomParameter(bindValue);
            }
        }
        return super.getCustomModifyValueForCall(call, value, field, shouldBind);

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        } else if (parameter instanceof Byte[]) {
            statement.setBytes(index, (byte[])convertObject(parameter, ClassConstants.APBYTE));
        } else if (parameter instanceof BindCallCustomParameter) {
            ((BindCallCustomParameter)(parameter)).set(this, statement, index, session);
        } else if (typeConverters != null && typeConverters.containsKey(parameter.getClass())){
            StructConverter converter = getTypeConverters().get(parameter.getClass());
            parameter = converter.convertToStruct(parameter, getConnection(session, statement.getConnection()));
            statement.setObject(index, parameter);
        } else {
            statement.setObject(index, parameter);
        }
    }

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                while (i.hasNext()) {
                    String converterClassName = (String)i.next();
                    try {
                        Class converterClass = m_classLoader.loadClass(converterClassName);
                        StructConverter converter = null;
                        if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
                            try{
                                converter = (StructConverter)AccessController.doPrivileged(new PrivilegedNewInstanceFromClass(converterClass));
                            }catch (PrivilegedActionException ex){
                                throw (Exception)ex.getCause();

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     * that must be bound.
     */
    public Object getCustomModifyValueForCall(Call call, Object value, DatabaseField field, boolean shouldBind) {
        
        if (typeConverters != null){
            StructConverter converter = typeConverters.get(field.getType());
            
            if (converter != null) {
                Object bindValue = value;
                if (bindValue == null) {
                    bindValue = new ObjectRelationalDatabaseField(field);
                    ((ObjectRelationalDatabaseField)bindValue).setSqlType(java.sql.Types.STRUCT);
                    ((ObjectRelationalDatabaseField)bindValue).setSqlTypeName(converter.getStructName());
                }
                return new BindCallCustomParameter(bindValue);
            }
        }
        return super.getCustomModifyValueForCall(call, value, field, shouldBind);

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        } else if (parameter instanceof Byte[]) {
            statement.setBytes(index, (byte[])convertObject(parameter, ClassConstants.APBYTE));
        } else if (parameter instanceof BindCallCustomParameter) {
            ((BindCallCustomParameter)(parameter)).set(this, statement, index, session);
        } else if (typeConverters != null && typeConverters.containsKey(parameter.getClass())){
            StructConverter converter = getTypeConverters().get(parameter.getClass());
            parameter = converter.convertToStruct(parameter, getConnection(session, statement.getConnection()));
            statement.setObject(index, parameter);
        } else {
            statement.setObject(index, parameter);
        }
    }

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                while (i.hasNext()) {
                    String converterClassName = (String)i.next();
                    try {
                        Class converterClass = m_classLoader.loadClass(converterClassName);
                        StructConverter converter = null;
                        if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
                            try{
                                converter = (StructConverter)AccessController.doPrivileged(new PrivilegedNewInstanceFromClass(converterClass));
                            }catch (PrivilegedActionException ex){
                                throw (Exception)ex.getCause();

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     * These StructConverters can be added to the Session 
     */
    public List<StructConverter> getStructConverters() {
        List<StructConverter> structConverters = new ArrayList<StructConverter>();
        for (StructConverterMetadata converter: m_project.getStructConverters()) {
            StructConverter structConverter = (StructConverter) MetadataHelper.getClassInstance(converter.getConverterClassName(), m_loader);
            structConverters.add(structConverter);
        }
        
        return structConverters;
    }

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     * These StructConverters can be added to the Session 
     */
    public List<StructConverter> getStructConverters() {
        List<StructConverter> structConverters = new ArrayList<StructConverter>();
        for (StructConverterMetadata converter: m_project.getStructConverters()) {
            StructConverter structConverter = (StructConverter) MetadataHelper.getClassInstance(converter.getConverterClassName(), m_loader);
            structConverters.add(structConverter);
        }
        
        return structConverters;
    }

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     * that must be bound.
     */
    public Object getCustomModifyValueForCall(Call call, Object value, DatabaseField field, boolean shouldBind) {
        
        if (typeConverters != null){
            StructConverter converter = typeConverters.get(field.getType());
            
            if (converter != null) {
                Object bindValue = value;
                if (bindValue == null) {
                    bindValue = new ObjectRelationalDatabaseField(field);
                    ((ObjectRelationalDatabaseField)bindValue).setSqlType(java.sql.Types.STRUCT);
                    ((ObjectRelationalDatabaseField)bindValue).setSqlTypeName(converter.getStructName());
                }
                return new BindCallCustomParameter(bindValue);
            }
        }
        return super.getCustomModifyValueForCall(call, value, field, shouldBind);

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Related Classes of org.eclipse.persistence.platform.database.converters.StructConverter

org.eclipse.persistence.internal.databaseaccess.DatabasePlatform

org.eclipse.persistence.internal.jpa.metadata.MetadataProcessor

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

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