Package org.apache.openjpa.jdbc.meta

Class ReverseMappingTool

  • All Implemented Interfaces:
    Cloneable, MetaDataModes
    public class ReverseMappingTool
extends Object
implements MetaDataModes, Cloneable
    Reverse-maps a schema into class mappings and the associated java code. Generates a Java code files for persistent classes and associated identity classes and metadata.
    Author:
    Abe White

    • Field Detail

      • TABLE_BASE

        public static final int TABLE_BASE
        Primary table for a new base class.
        See Also:
        Constant Field Values

      • TABLE_SECONDARY

        public static final int TABLE_SECONDARY
        Secondary table of an existing class. There is exactly one row in this table for each row in the primary table.
        See Also:
        Constant Field Values

      • TABLE_SECONDARY_OUTER

        public static final int TABLE_SECONDARY_OUTER
        Secondary table of an existing class. There is zero or one row in this table for each row in the primary table.
        See Also:
        Constant Field Values

      • TABLE_ASSOCIATION

        public static final int TABLE_ASSOCIATION
        Association table.
        See Also:
        Constant Field Values

      • ACCESS_TYPE_FIELD

        public static final String ACCESS_TYPE_FIELD
        Access type for generated source, defaults to field-based access.
        See Also:
        Constant Field Values

    • Constructor Detail

      • ReverseMappingTool

        public ReverseMappingTool​(JDBCConfiguration conf)
        Constructor. Supply configuration.

    • Method Detail

      • getConfiguration

        public JDBCConfiguration getConfiguration()
        Return the configuration provided on construction.

      • getLog

        public Log getLog()
        Return the log to write to.

      • getPackageName

        public String getPackageName()
        Return the default package for the generated classes, or null if unset.

      • setPackageName

        public void setPackageName​(String packageName)
        Set the default package for the generated classes; use null to indicate no package.

      • getDirectory

        public File getDirectory()
        The file to output the generated code to, or null for the current directory. If the directory matches the package, it will be used. Otherwise, the package structure will be created under this directory.

      • setDirectory

        public void setDirectory​(File dir)
        The file to output the generated code to, or null for the current directory. If the directory matches the package, it will be used. Otherwise, the package structure will be created under this directory.

      • getUseSchemaName

        public boolean getUseSchemaName()
        Return true if the schema name will be included in the generated class name for each table. Defaults to false.

      • setUseSchemaName

        public void setUseSchemaName​(boolean useSchema)
        Set whether the schema name will be included in the generated class name for each table. Defaults to false.

      • getUseForeignKeyName

        public boolean getUseForeignKeyName()
        Return whether the foreign key name will be used to generate relation names. Defaults to false.

      • setUseForeignKeyName

        public void setUseForeignKeyName​(boolean useFK)
        Set whether the foreign key name will be used to generate relation names. Defaults to false.

      • getNullableAsObject

        public boolean getNullableAsObject()
        Return whether even nullable columns will be mapped to wrappers rather than primitives. Defaults to false.

      • setNullableAsObject

        public void setNullableAsObject​(boolean nullAsObj)
        Set whether even nullable columns will be mapped to wrappers rather than primitives. Defaults to false.

      • getBlobAsObject

        public boolean getBlobAsObject()
        Whether to reverse-map blob columns as containing serialized Java objects, rather than the default of using a byte[] field.

      • setBlobAsObject

        public void setBlobAsObject​(boolean blobAsObj)
        Whether to reverse-map blob columns as containing serialized Java objects, rather than the default of using a byte[] field.

      • getUseGenericCollections

        public boolean getUseGenericCollections()
        Whether to use generic collections on one-to-many and many-to-many relations instead of untyped collections.

      • setUseGenericCollections

        public void setUseGenericCollections​(boolean useGenericCollections)
        Whether to use generic collections on one-to-many and many-to-many relations instead of untyped collections.

      • getTypeMap

        public Properties getTypeMap()
        Map of JDBC-name to Java-type-name entries that allows customization of reverse mapping columns to field types.

      • setTypeMap

        public void setTypeMap​(Properties typeMap)
        Map of JDBC-name to Java-type-name entries that allows customization of reverse mapping columns to field types.

      • getPrimaryKeyOnJoin

        public boolean getPrimaryKeyOnJoin()
        Return true if join tables are allowed to have primary keys, false if all primary key tables will be mapped as persistent classes. Defaults to false.

      • setPrimaryKeyOnJoin

        public void setPrimaryKeyOnJoin​(boolean pkOnJoin)
        Set to true if join tables are allowed to have primary keys, false if all primary key tables will be mapped as persistent classes. Defaults to false.

      • getUseDataStoreIdentity

        public boolean getUseDataStoreIdentity()
        Whether to use datastore identity when possible. Defaults to false.

      • setUseDataStoreIdentity

        public void setUseDataStoreIdentity​(boolean datastore)
        Whether to use datastore identity when possible. Defaults to false.

      • getUseBuiltinIdentityClass

        public boolean getUseBuiltinIdentityClass()
        Whether to use built in identity classes when possible. Defaults to true.

      • setUseBuiltinIdentityClass

        public void setUseBuiltinIdentityClass​(boolean builtin)
        Whether to use built in identity classes when possible. Defaults to true.

      • getInnerIdentityClasses

        public boolean getInnerIdentityClasses()
        Whether or not to generate inner classes when creating application identity classes.

      • setInnerIdentityClasses

        public void setInnerIdentityClasses​(boolean inner)
        Whether or not to generate inner classes when creating application identity classes.

      • getIdentityClassSuffix

        public String getIdentityClassSuffix()
        Suffix used to create application identity class name from a class name, or in the case of inner identity classes, the inner class name.

      • setIdentityClassSuffix

        public void setIdentityClassSuffix​(String suffix)
        Suffix used to create application identity class name from a class name, or in the case of inner identity classes, the inner class name.

      • getInverseRelations

        public boolean getInverseRelations()
        Whether to generate inverse 1-many/1-1 relations for all many-1/1-1 relations. Defaults to true.

      • setInverseRelations

        public void setInverseRelations​(boolean inverse)
        Whether to generate inverse 1-many/1-1 relations for all many-1/1-1 relations. Defaults to true.

      • getDetachable

        public boolean getDetachable()
        Whether to make generated classes detachable. Defaults to false.

      • setDetachable

        public void setDetachable​(boolean detachable)
        Whether to make generated classes detachable. Defaults to false.

      • getDiscriminatorStrategy

        public String getDiscriminatorStrategy()
        Default discriminator strategy for base class mappings.

      • setDiscriminatorStrategy

        public void setDiscriminatorStrategy​(String discStrat)
        Default discriminator strategy for base class mappings.

      • getVersionStrategy

        public String getVersionStrategy()
        Default version strategy for base class mappings.

      • setVersionStrategy

        public void setVersionStrategy​(String versionStrat)
        Default version strategy for base class mappings.

      • getGenerateAnnotations

        public boolean getGenerateAnnotations()
        Whether to generate annotations along with generated code. Defaults to false.

      • setGenerateAnnotations

        public void setGenerateAnnotations​(boolean genAnnotations)
        Whether to generate annotations along with generated code. Defaults to false.

      • getAccessType

        public String getAccessType()
        Whether to use field or property-based access on generated code. Defaults to field-based access.

      • setAccessType

        public void setAccessType​(String accessType)
        Whether to use field or property-based access on generated code. Defaults to field-based access.

      • getCodeFormat

        public CodeFormat getCodeFormat()
        The code formatter for the generated Java code.

      • setCodeFormat

        public void setCodeFormat​(CodeFormat format)
        Set the code formatter for the generated Java code.

      • getCustomizer

        public ReverseCustomizer getCustomizer()
        Return the customizer in use, or null if none.

      • setCustomizer

        public void setCustomizer​(ReverseCustomizer customizer)
        Set the customizer. The configuration on the customizer, if any, should already be set.

      • getUseSchemaElement

        public boolean getUseSchemaElement()
        Returns whether or not the schema name will be included in the @Table annotation within the generated class for each table, as well as the corresponding XML mapping files. The initialized value is true (in order to preserve backwards compatibility).

      • setUseSchemaElement

        public void setUseSchemaElement​(boolean useSchemaElement)
        Sets whether or not the schema name will be included in the @Table annotation within the generated class for each table, as well as the corresponding XML mapping files.

      • getRepository

        public MappingRepository getRepository()
        Return the mapping repository used to hold generated mappings. You can also use the repository to seed the schema group to generate classes from.

      • setRepository

        public void setRepository​(MappingRepository repos)
        Set the repository to use.

      • getSchemaGroup

        public SchemaGroup getSchemaGroup()
        Return the schema group to reverse map. If none has been set, the schema will be generated from the database.

      • setSchemaGroup

        public void setSchemaGroup​(SchemaGroup schema)
        Set the schema to reverse map.

      • getMappings

        public ClassMapping[] getMappings()
        Return the generated mappings.

      • run

        public void run()
        Generate mappings and class code for the current schema group.

      • recordCode

        public List recordCode()
                throws IOException
        Uses CodeGenerators to write the Java code for the generated mappings to the proper packages.
        Returns:
        a list of File instances that were written
        Throws:
        IOException

      • recordCode

        public List recordCode​(Map<Class<?>,​String> output)
                throws IOException
        Write the code for the tool.
        Parameters:
        output - if null, then perform the write directly to the filesystem; otherwise, populate the specified map with keys as the generated ClassMapping and values as a String that contains the generated code
        Returns:
        a list of File instances that were written
        Throws:
        IOException

      • recordMetaData

        public Collection recordMetaData​(boolean perClass)
                          throws IOException
        Write the generated metadata to the proper packages.
        Returns:
        the set of metadata Files that were written
        Throws:
        IOException

      • recordMetaData

        public Collection recordMetaData​(boolean perClass,
                                 Map output)
                          throws IOException
        Write the code for the tool.
        Parameters:
        output - if null, then perform the write directly to the filesystem; otherwise, populate the specified map with keys as the generated ClassMapping and values as a String that contains the generated code
        Returns:
        the set of metadata Files that were written
        Throws:
        IOException

      • buildAnnotations

        public void buildAnnotations()

      • getAnnotationsForMeta

        public List getAnnotationsForMeta​(Object meta)
        Returns a list of stringified annotations for specified meta.

      • getClassMapping

        public ClassMapping getClassMapping​(Table table)
        Return the class mapping for the given table, or null if none.

      • newClassMapping

        public ClassMapping newClassMapping​(Class cls,
                                    Table table)
        Create a new class to be mapped to a table. The class will start out with a default application identity class set.

      • generateClass

        public Class generateClass​(String name,
                           Class parent)
        Generate a new class with the given name. If a non-null parent class is given, it will be set as the superclass.

      • isUnique

        public boolean isUnique​(ForeignKey fk)
        Return whether the given foreign key is unique.

      • getUniqueForeignKey

        public ForeignKey getUniqueForeignKey​(Table table)
        If the given table has a single unique foreign key or a foreign key that matches the primary key, return it. Else return null.

      • addJoinConstraints

        public void addJoinConstraints​(FieldMapping field)
        Add existing unique constraints and indexes to the given field's join.

      • addConstraints

        public void addConstraints​(ValueMapping vm)
        Add existing unique constraints and indexes to the given value.

      • isBaseTable

        public boolean isBaseTable​(Table table)
        Return whether the given table is a base class table.

      • getFieldName

        public String getFieldName​(String name,
                           ClassMapping dec)
        Return a default Java identifier-formatted name for the given column/table name.

      • getFieldType

        public Class getFieldType​(Column col,
                          boolean forceObject)
        Return the default field type for the given column.

      • clone

        public Object clone()
        Return a new tool with the same settings as this one. Used in workbench.
        Overrides:
        clone in class Object

      • main

        public static void main​(String[] args)
                 throws IOException,
                        SQLException
        Usage: java org.apache.openjpa.jdbc.meta.ReverseMappingTool [option]* <.schema file or resource>* Where the following options are recognized.
        • -properties/-p <properties file or resource>: The path or resource name of a OpenJPA properties file containing information such as the license key data as outlined in OpenJPAConfiguration. Optional.
        • -<property name> <property value>: All bean properties of the OpenJPA JDBCConfiguration can be set by using their names and supplying a value. For example: -licenseKey adslfja83r3lkadf
        • -schemas/-s <schemas and tables>: Comma-separated list of schemas and tables to reverse-map.
        • -package/-pkg <package name>: The name of the package for all generated classes. Defaults to no package.
        • -directory/-d <output directory>: The directory where all generated code should be placed. Defaults to the current directory.
        • -useSchemaName/-sn <true/t | false/f>: Set this flag to true to include the schema name as part of the generated class name for each table.
        • -useSchemaElement/-se <true/t | false/f>: Set this flag to false to exclude the schema name from the @Table annotation in the generated class for each table. If set to false, the schema name will also be removed from the corresponding XML mapping files (orm.xml) that are generated by the tool. The initialized value is true (in order to preserve backwards compatibility).
        • -useForeignKeyName/-fkn <true/t | false/f>: Set this flag to true to use the foreign key name to generate fields representing relations between classes.
        • -nullableAsObject/-no <true/t | false/f>: Set to true to make all nullable columns map to object types; columns that would normally map to a primitive will map to the appropriate wrapper type instead.
        • -blobAsObject/-bo <true/t | false/f>: Set to true to make all binary columns map to Object rather than byte[].
        • -useGenericCollections/-gc <true/t | false/f>: Set to true to use generic collections on OneToMany and ManyToMany relations (requires JDK 1.5 or higher).
        • -typeMap/-typ <types>: Default mapping of SQL type names to Java classes.
        • -primaryKeyOnJoin/-pkj <true/t | false/f>: Set to true to allow primary keys on join tables.
        • -useDatastoreIdentity/-ds <true/t | false/f>: Set to true to use datastore identity where possible.
        • -useBuiltinIdentityClass/-bic <true/t | false/f>: Set to false to never use OpenJPA's builtin application identity classes.
        • -innerIdentityClasses/-inn <true/t | false/f>: Set to true to generate the application identity classes as inner classes.
        • -identityClassSuffix/-is <suffix>: Suffix to append to class names to create identity class name, or for inner identity classes, the inner class name.
        • -inverseRelations/-ir <true/t | false/f>: Set to false to prevent the creation of inverse 1-many/1-1 relations for each encountered many-1/1-1 relation.
        • -detachable/-det <true/t | false/f>: Set to true to make generated classes detachable.
        • -discriminatorStrategy/-ds <strategy>: The default discriminator strategy to place on base classes.
        • -versionStrategy/-vs <strategy>: The default version strategy to place on base classes.
        • -metadata/-md <class | package | none>: Specify the level the metadata should be generated at. Defaults to generating a single package-level metadata file.
        • -annotations/-ann <true/t | false/f>: Set to true to generate JPA annotations in generated code.
        • -accessType/-access <field | property>: Change access type for generated annotations. Defaults to field access.
        • -customizerClass/-cc <class name>: The full class name of a ReverseCustomizer implementation to use to customize the reverse mapping process. Optional.
        • -customizerProperties/-cp <properties file or resource> : The path or resource name of a properties file that will be passed to the reverse customizer on initialization. Optional.
        • -customizer/-c.<property name> < property value> : Arguments like this will be used to configure the bean properties of the ReverseCustomizer.
        • -codeFormat/-cf.<property name> < property value> : Arguments like this will be used to configure the bean properties of the internal CodeFormat.
        Each schema given as an argument will be reverse-mapped into persistent classes and associated metadata. If no arguments are given, the database schemas defined by the system configuration will be reverse-mapped.
        Throws:
        IOException
        SQLException