| Name | Description | Type | Package | Framework |
| Base64Codec | Provides Base64 encoding and decoding as defined by RFC 2045. | Class | org.apache.cayenne.util | Apache Cayenne |
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| CayenneMap | A CayenneMap is a specialized double-linked sorted map class. | Class | org.apache.cayenne.util | Apache Cayenne |
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| CayenneMapEntry | Defining a double-linked named entry in CayenneMap. | Interface | org.apache.cayenne.util | Apache Cayenne |
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| ConversionUtil | A collection of static conversion utility methods. | Class | org.apache.cayenne.util | Apache Cayenne |
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| DeepMergeOperation | | Class | org.apache.cayenne.util | Apache Cayenne |
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| DeleteRuleUpdater | DeleteRuleUpdater is responsible for auto-setting delete rules for object relationshipsConstructor SummaryDeleteRuleUpdater() | Class | org.apache.cayenne.util | Apache Cayenne |
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| EntityMergeListener | EntityMergeListener interface defines API useful for listening to EntityMergeSupport processing. | Interface | org.apache.cayenne.util | Apache Cayenne |
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| EntityMergeSupport | | Class | org.apache.cayenne.util | Apache Cayenne |
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| EqualsBuilder | Assists in implementing Object. | Class | org.apache.cayenne.util | Apache Cayenne |
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| EventUtil | Contains access stack events related utility methods. | Class | org.apache.cayenne.util | Apache Cayenne |
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| GenericResponse | A simple serializable implementation of QueryResponse. | Class | org.apache.cayenne.util | Apache Cayenne |
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| HashCodeBuilder | Assists in implementing Object. | Class | org.apache.cayenne.util | Apache Cayenne |
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| IDUtil | helper class to generate pseudo-GUID sequences. | Class | org.apache.cayenne.util | Apache Cayenne |
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| IncrementalListResponse | A QueryResponse that contains a sublist of the query result. | Class | org.apache.cayenne.util | Apache Cayenne |
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| IndexPropertyList | A List implementation that would maintain its internal ordering based on some object numeric "index" property. | Class | org.apache.cayenne.util | Apache Cayenne |
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| Invocation | Invocation represents a dynamic method invocation bound to a specific target. | Class | org.apache.cayenne.util | Apache Cayenne |
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| ListResponse | A QueryResponse optimized to hold a single object or data row list. | Class | org.apache.cayenne.util | Apache Cayenne |
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| LocalizedStringsHandler | | Class | org.apache.cayenne.util | Apache Cayenne |
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| MemoryBlob | A Blob implementation that stores content in memory. | Class | org.apache.cayenne.util | Apache Cayenne |
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| MemoryClob | A Clob implementation that stores contents in memory. | Class | org.apache.cayenne.util | Apache Cayenne |
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| NameConverter | Utility class to convert from different naming styles to Java convention. | Class | org.apache.cayenne.util | Apache Cayenne |
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| ObjectContextGraphAction | A base implementation of a helper class to handle ObjectContext. | Class | org.apache.cayenne.util | Apache Cayenne |
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| ObjectContextQueryAction | A helper class that implements DataChannel. | Class | org.apache.cayenne.util | Apache Cayenne |
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| ObjectDetachOperation | An operation that creates a subgraph of detached objects, using the PrefetchTree to delineate the graph boundaries. | Class | org.apache.cayenne.util | Apache Cayenne |
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| PersistentObjectHolder | A ValueHolder implementation that holds a single Persistent object related to an object used to initialize PersistentObjectHolder. | Class | org.apache.cayenne.util | Apache Cayenne |
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| PersistentObjectList | A list of persistent objects lazily resolved on the first access. | Class | org.apache.cayenne.util | Apache Cayenne |
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| PersistentObjectMap | | Class | org.apache.cayenne.util | Apache Cayenne |
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| PersistentObjectSet | | Class | org.apache.cayenne.util | Apache Cayenne |
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| RelationshipFault | An abstract superclass of lazily faulted to-one and to-many relationships. | Class | org.apache.cayenne.util | Apache Cayenne |
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| ResourceLocator | Utility class to find resources (files, etc. | Class | org.apache.cayenne.util | Apache Cayenne |
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| ToStringBuilder | A utility class to simplify implementation of Object toString methods. | Class | org.apache.cayenne.util | Apache Cayenne |
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| Util | Contains various unorganized static utility methods used across Cayenne. | Class | org.apache.cayenne.util | Apache Cayenne |
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| WebApplicationResourceLocator | A ResourceLocator that can find resources relative to web application context. | Class | org.apache.cayenne.util | Apache Cayenne |
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| XMLEncoder | A helper class to encode objects to XML. | Class | org.apache.cayenne.util | Apache Cayenne |
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| XMLSerializable | Interface for Cayenne objects that can be saved to XML. | Interface | org.apache.cayenne.util | Apache Cayenne |
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| ZipUtil | Utility class to perform zip/unzip operations on files and directories. | Class | org.apache.cayenne.util | Apache Cayenne |