| Package | Description | 
|---|---|
| org.apache.cayenne.ejbql | |
| org.apache.cayenne.exp | Cayenne data expression classes. | 
| org.apache.cayenne.query | Defines standard queries supported by Cayenne and extension mechanism to create
custom queries. | 
| org.apache.cayenne.util | General utility classes. | 
| Modifier and Type | Method and Description | 
|---|---|
| PrefetchTreeNode | EJBQLCompiledExpression. getPrefetchTree()Returns prefetched columns tree for fetch joins. | 
| Modifier and Type | Method and Description | 
|---|---|
| PrefetchTreeNode | Property. disjoint()Returns a prefetch tree that follows this property path, potentially
 spanning a number of phantom nodes, and having a single leaf with
 "disjoint" prefetch semantics. | 
| PrefetchTreeNode | Property. disjointById()Returns a prefetch tree that follows this property path, potentially
 spanning a number of phantom nodes, and having a single leaf with
 "disjoint by id" prefetch semantics. | 
| PrefetchTreeNode | Property. joint()Returns a prefetch tree that follows this property path, potentially
 spanning a number of phantom nodes, and having a single leaf with "joint"
 prefetch semantics. | 
| Modifier and Type | Field and Description | 
|---|---|
| protected PrefetchTreeNode | PrefetchTreeNode. parent | 
| protected PrefetchTreeNode | FluentSelect. prefetches | 
| Modifier and Type | Field and Description | 
|---|---|
| protected Collection<PrefetchTreeNode> | PrefetchTreeNode. children | 
| Modifier and Type | Method and Description | 
|---|---|
| PrefetchTreeNode | PrefetchTreeNode. addPath(String path)Adds a "path" with specified semantics to this prefetch node. | 
| PrefetchTreeNode | ProcedureQuery. addPrefetch(String prefetchPath)Adds a prefetch. | 
| PrefetchTreeNode | SelectQuery. addPrefetch(String prefetchPath)Adds a prefetch with specified relationship path to the query. | 
| PrefetchTreeNode | SQLTemplate. addPrefetch(String prefetchPath)Adds a prefetch. | 
| PrefetchTreeNode | PrefetchTreeNode. cloneJointSubtree()Returns a clone of subtree that includes all joint children starting from
 this node itself and till the first occurrence of non-joint node | 
| protected PrefetchTreeNode | PrefetchTreeNode. getChild(String segment) | 
| PrefetchTreeNode | PrefetchTreeNode. getNode(String path)Looks up an existing node in the tree desribed by the dot-separated path. | 
| PrefetchTreeNode | PrefetchTreeNode. getParent() | 
| PrefetchTreeNode | FluentSelect. getPrefetches() | 
| PrefetchTreeNode | SelectById. getPrefetches() | 
| PrefetchTreeNode | ProcedureQuery. getPrefetchTree() | 
| PrefetchTreeNode | QueryMetadata. getPrefetchTree()Returns a root node of prefetch tree used by this query, or null of no prefetches
 are configured. | 
| PrefetchTreeNode | QueryMetadataProxy. getPrefetchTree() | 
| PrefetchTreeNode | SelectQuery. getPrefetchTree() | 
| PrefetchTreeNode | SQLTemplate. getPrefetchTree() | 
| PrefetchTreeNode | PrefetchTreeNode. getRoot()Returns the root of the node tree. | 
| static PrefetchTreeNode | PrefetchTreeNode. withPath(String path,
        int semantics)Creates and returns a prefetch tree spanning a single path. | 
| Modifier and Type | Method and Description | 
|---|---|
| Collection<PrefetchTreeNode> | PrefetchTreeNode. adjacentJointNodes()Returns a subset of nodes with "joint" semantics that are to be
 prefetched in the same query as the current node. | 
| Collection<PrefetchTreeNode> | PrefetchTreeNode. disjointByIdNodes()Returns a collection of PrefetchTreeNodes with disjoint semantics | 
| Collection<PrefetchTreeNode> | PrefetchTreeNode. disjointNodes()Returns a collection of PrefetchTreeNodes with disjoint semantics. | 
| Collection<PrefetchTreeNode> | PrefetchTreeNode. getChildren()Returns an unmodifiable collection of children. | 
| Collection<PrefetchTreeNode> | PrefetchTreeNode. jointNodes()Returns a collection of PrefetchTreeNodes in this tree with joint
 semantics. | 
| Collection<PrefetchTreeNode> | PrefetchTreeNode. nonPhantomNodes()Returns a collection of PrefetchTreeNodes that are not phantoms. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | PrefetchTreeNode. addChild(PrefetchTreeNode child) | 
| void | SelectQuery. addPrefetch(PrefetchTreeNode prefetchElement)Adds a prefetch with specified relationship path to the query. | 
| void | SQLTemplate. addPrefetch(PrefetchTreeNode prefetchElement)Adds a prefetch with specified relationship path to the query. | 
| void | PrefetchProcessor. finishPrefetch(PrefetchTreeNode node) | 
| String | PrefetchTreeNode. getPath(PrefetchTreeNode upTillParent) | 
| void | PrefetchTreeNode. merge(PrefetchTreeNode node)Merges  PrefetchTreeNodeinto the current prefetch tree, cloning
 the nodes added to this tree. | 
| ColumnSelect<T> | ColumnSelect. prefetch(PrefetchTreeNode prefetch)Merges prefetch into the query prefetch tree. | 
| ObjectSelect<T> | ObjectSelect. prefetch(PrefetchTreeNode prefetch)Merges prefetch into the query prefetch tree. | 
| SelectById<T> | SelectById. prefetch(PrefetchTreeNode prefetch)Merges prefetch into the query prefetch tree. | 
| void | PrefetchTreeNode. removeChild(PrefetchTreeNode child) | 
| void | SelectQuery. setPrefetchTree(PrefetchTreeNode prefetchTree) | 
| boolean | PrefetchProcessor. startDisjointByIdPrefetch(PrefetchTreeNode prefetchTreeNode) | 
| boolean | PrefetchProcessor. startDisjointPrefetch(PrefetchTreeNode node) | 
| boolean | PrefetchProcessor. startJointPrefetch(PrefetchTreeNode node) | 
| boolean | PrefetchProcessor. startPhantomPrefetch(PrefetchTreeNode node) | 
| boolean | PrefetchProcessor. startUnknownPrefetch(PrefetchTreeNode node) | 
| Constructor and Description | 
|---|
| PrefetchTreeNode(PrefetchTreeNode parent,
                String name)Creates a phantom PrefetchTreeNode, initializing it with parent node and
 a name of a relationship segment connecting this node with the parent. | 
| Modifier and Type | Method and Description | 
|---|---|
| Object | ObjectDetachOperation. detach(Object object,
      ClassDescriptor descriptor,
      PrefetchTreeNode prefetchTree)"Detaches" an object from its context by creating an unattached copy. | 
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