| Name | Description | Type | Package | Framework |
| AbstractDirectoryInputStream | Class | org.apache.metamodel.util | Apache MetaModel | |
| AbstractNumberAggregateBuilder | Abstract AggregateBuilder that works on numbers. | Class | org.apache.metamodel.util | Apache MetaModel |
| AbstractResource | Class | org.apache.metamodel.util | Apache MetaModel | |
| Action | Represents an abstract action, which is an executable piece of functionality that takes an argument. | Interface | org.apache.metamodel.util | Apache MetaModel |
| AggregateBuilder | Interface for aggregate builders which allows for an iterative approach to evaluating aggregates. | Interface | org.apache.metamodel.util | Apache MetaModel |
| AlphabeticSequence | A sequence based on alphabetic representations. | Class | org.apache.metamodel.util | Apache MetaModel |
| BaseObject | A base object type with conveniently implemented base methods like hashCode() and equals(). | Class | org.apache.metamodel.util | Apache MetaModel |
| BooleanComparator | Class | org.apache.metamodel.util | Apache MetaModel | |
| ClasspathResource | A Resource based on a classpath entrySee Also:Serialized Form | Class | org.apache.metamodel.util | Apache MetaModel |
| CollectionUtils | Various utility methods for handling of collections and arrays. | Class | org.apache.metamodel.util | Apache MetaModel |
| ConstantFunc | A function that always returns the same constant response. | Class | org.apache.metamodel.util | Apache MetaModel |
| DateUtils | Class | org.apache.metamodel.util | Apache MetaModel | |
| EqualsBuilder | A helper class for implementing equals(. | Class | org.apache.metamodel.util | Apache MetaModel |
| ExclusionPredicate | A predicate that uses an exclusion list (black list) of elements to determine whether to evaluate true or false. | Class | org.apache.metamodel.util | Apache MetaModel |
| FalsePredicate | A predicate that is always falseSee Also:Serialized Form | Class | org.apache.metamodel.util | Apache MetaModel |
| FileHelper | Class | org.apache.metamodel.util | Apache MetaModel | |
| FileResource | File based Resource implementation. | Class | org.apache.metamodel.util | Apache MetaModel |
| FormatHelper | Class | org.apache.metamodel.util | Apache MetaModel | |
| Func | Represents an abstract function, which is an executable piece of functionality that has an input and an output. | Interface | org.apache.metamodel.util | Apache MetaModel |
| HasName | Interface | org.apache.metamodel.util | Apache MetaModel | |
| HasNameMapper | Func useful for mapping HasName instances to names, using CollectionUtils. | Class | org.apache.metamodel.util | Apache MetaModel |
| HdfsResource | A Resource implementation that connects to Apache Hadoop's HDFS distributed file system. | Class | org.apache.metamodel.util | Apache MetaModel |
| ImmutableDate | A Date implementation that is immutable and has a predictable (locale-indifferent) toString() method. | Class | org.apache.metamodel.util | Apache MetaModel |
| ImmutableRef | Simple/hard implementation of the Ref interface. | Class | org.apache.metamodel.util | Apache MetaModel |
| InclusionPredicate | A predicate that uses an inclusion list (white list) of elements to determine whether to evaluate true or false. | Class | org.apache.metamodel.util | Apache MetaModel |
| InMemoryResource | An entirely in-memory kept Resource. | Class | org.apache.metamodel.util | Apache MetaModel |
| LazyRef | Represents a lazy loaded reference. | Class | org.apache.metamodel.util | Apache MetaModel |
| LegacyDeserializationObjectInputStream | A specialized ObjectInputStream for MetaModel which can be used or extended if it is needed to deserialize legacy MetaModel objects. | Class | org.apache.metamodel.util | Apache MetaModel |
| LegacyDeserializationObjectInputStream .LegacyColumnType | adheres to the constant/enum values of the old ColumnType definition. | Class | org.apache.metamodel.util | Apache MetaModel |
| LegacyDeserializationObjectInputStream .LegacyFunctionType | AggregateFunction interfaces which still adheres to the constant/enum values of the old FunctionType definition. | Class | org.apache.metamodel.util | Apache MetaModel |
| LegacyDeserializationObjectInputStream .LegacyOperatorType | adheres to the constant/enum values of the old OperatorType definition. | Class | org.apache.metamodel.util | Apache MetaModel |
| Month | Provides a handy and type-safe enum around the months otherwise defined as int constants in java. | Class | org.apache.metamodel.util | Apache MetaModel |
| MutableRef | Class | org.apache.metamodel.util | Apache MetaModel | |
| NumberComparator | Class | org.apache.metamodel.util | Apache MetaModel | |
| ObjectComparator | General purpose comparator to use for objects of various kinds. | Class | org.apache.metamodel.util | Apache MetaModel |
| Predicate | Interface | org.apache.metamodel.util | Apache MetaModel | |
| Ref | Represents an abstract reference. | Interface | org.apache.metamodel.util | Apache MetaModel |
| Resource | Interface | org.apache.metamodel.util | Apache MetaModel | |
| ResourceException | Exception type for errors that occur while dealing with Resources. | Class | org.apache.metamodel.util | Apache MetaModel |
| ResourceUtils | Static utility methods for handling Resources. | Class | org.apache.metamodel.util | Apache MetaModel |
| SerializableRef | A serializable reference to an object which may or may not be serializable. | Class | org.apache.metamodel.util | Apache MetaModel |
| SharedExecutorService | A shared ExecutorService for use on ad-hoc tasks that can be optimized by running operations in parallel. | Class | org.apache.metamodel.util | Apache MetaModel |
| SimpleTableDef | Represents a table definition to be used in scenarios where a DataContext is unable to detect/discover the table structure and | Class | org.apache.metamodel.util | Apache MetaModel |
| SimpleTableDefParser | Class | org.apache.metamodel.util | Apache MetaModel | |
| TimeComparator | Compares dates of various formats. | Class | org.apache.metamodel.util | Apache MetaModel |
| ToStringComparator | Class | org.apache.metamodel.util | Apache MetaModel | |
| TruePredicate | A predicate that is always trueSee Also:Serialized Form | Class | org.apache.metamodel.util | Apache MetaModel |
| UncheckedFunc | Class | org.apache.metamodel.util | Apache MetaModel | |
| UnicodeWriter | Writes Unicode text to an output stream. | Class | org.apache.metamodel.util | Apache MetaModel |
| UrlResource | Resource based on URL or URI. | Class | org.apache.metamodel.util | Apache MetaModel |
| Weekday | Provides a handy and type-safe enum around the weekdays otherwise defined as int constants in java. | Class | org.apache.metamodel.util | Apache MetaModel |
| WildcardPattern | Represents a pattern with a wildcard character. | Class | org.apache.metamodel.util | Apache MetaModel |