Extendable TypeConfiguration

public class TypeConfiguration implements Serializable {
    /** Serial version UID. */
    private static final long serialVersionUID = 0L;
 
    /** Type name. */
    private String typeName;
 
    /**
     * Package name. When set, configuration will be applied to all classes inside the package 
     * (unless overriden in more specific TypeConfiguration). 
     * Applicable only for cases when classes exists in node classpath.
     * TypeInfo implementations are free to decide whether they support packages or not.
     */
    private String packageName;

    /** Affinity key field name. */
    private String affKeyFieldName;

    /** Type info extensions. */
    private Map<Class<? extends TypeInfo>, ? extends TypeInfo> typeInfos;
 
    public void setTypeInfo(TypeInfo... typeInfos) {...}
 
    public TypeInfo[] getTypeInfo() {...}
 
    public <T extends TypeInfo> T getTypeInfo(Class<T> infoCls) {...}
}

public interface TypeInfo extends Serializable {
    /** Whether implemenation supports single type. */
    bool supportSingleType();
 
    /** Whether implementation supports packages. */
    bool supportPackage();
}

/**
 *
 */
public class PersistenceTypeInfo implements TypeInfo {
    /** Serial version UID. */
    private static final long serialVersionUID = 0L;

    /** Schema name in database. */
    private String dbSchema;

    /** Table name in database. */
    private String dbTbl;

    /** Persisted fields. */
    @GridToStringInclude
    private Collection<PersistenceFieldInfo> fields;
}

/**
 * Type field metadata.
 */
public class PersistenceFieldInfo implements Serializable {
    /** Serial version UID. */
    private static final long serialVersionUID = 0L;

    /** Column name in database. */
    private String dbFieldName;

    /** Column JDBC type in database. */
    private int dbFieldType;

    /** Field name in java object. */
    private String javaFieldName;

    /** Corresponding java type. */
    private Class<?> javaFieldType;
}

/**
 *
 */
public class PortableTypeInfo implements TypeInfo {
    /** Serial version UID. */
    private static final long serialVersionUID = 0L;

    /** ID mapper. */
    private PortableIdMapper idMapper;

    /** Serializer. */
    private PortableSerializer serializer;

    /** Portable metadata enabled flag. When disabled query will not work for type.  */
    private Boolean metaDataEnabled = true;
}

/**
 *
 */
public class QueryTypeInfo implements TypeInfo {
    /** Serial version UID. */
    private static final long serialVersionUID = 0L;

    /** Field name-to-type map to be queried, in addition to indexed fields. */
    @GridToStringInclude
    private Map<String, Class<?>> qryFlds;

    /** Field name-to-type map to index in ascending order. */
    @GridToStringInclude
    private Map<String, Class<?>> ascFlds;

    /** Field name-to-type map to index in descending order. */
    @GridToStringInclude
    private Map<String, Class<?>> descFlds;

    /** Fields to index as text. */
    @GridToStringInclude
    private Collection<String> txtFlds;

    /** Fields to create group indexes for. */
    @GridToStringInclude
    private Map<String, LinkedHashMap<String, IgniteBiTuple<Class<?>, Boolean>>> grps;
}