de.grogra.pf.registry.expr

Class First

java.lang.Object

de.grogra.graph.impl.Edge

de.grogra.graph.impl.Node

de.grogra.pf.registry.Item

de.grogra.pf.registry.expr.Expression

de.grogra.pf.registry.expr.First

All Implemented Interfaces:

Manageable, PersistenceCapable, Shareable, RegistryContext, UserFields, XObject, Described, Map, java.io.Serializable

public class First
extends Expression

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class de.grogra.graph.impl.Node

Node.AccessorBridge, Node.FieldAttributeAccessor, Node.NType

Nested classes/interfaces inherited from interface de.grogra.util.Map

Map.Chain

Field Summary

Fields

Modifier and Type	Field and Description
static Node.NType	$TYPE

Fields inherited from class de.grogra.graph.impl.Node

ADDITIONAL_FIELDS, bits, DELETED, EXTENT_BIT, EXTENT_MASK, extentIndex$FIELD, extentTail$FIELD, HAS_OBSERVERS, IS_INTERPRETIVE, isInterpretive$FIELD, LAST_EXTENT_INDEX, layer$FIELD, MARK, mark$FIELD, MIME_TYPE, MIN_UNUSED_SPECIAL_OF_SOURCE, MIN_UNUSED_SPECIAL_OF_TARGET, name$FIELD, USED_BITS

Fields inherited from interface de.grogra.util.Described

ACCELERATOR_KEY, ICON, MNEMONIC_KEY, NAME, SHORT_DESCRIPTION, TITLE

Fields inherited from interface de.grogra.util.Map

DEFAULT_VALUE, EMPTY_MAP

Constructor Summary

Constructors

Constructor and Description
First()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	evaluate(RegistryContext ctx, StringMap args)
protected Node.NType	getNTypeImpl() This method returns the Node.NType which describes the managed fields of the class of this node.
protected Node	newInstance() This method returns a new instance of the class of this node.

Methods inherited from class de.grogra.pf.registry.expr.Expression

evaluateBoolean, getArgs, isConditionFulfilled

Methods inherited from class de.grogra.pf.registry.Item

activate, activateImpl, add, add, addPluginPrerequisite, addPluginPrerequisites, addRequiredFiles, addUserItem, addUserItemWithUniqueName, addWithUniqueName, beginXA, classForName, commitXA, createItem, deactivate, deactivateImpl, deriveItems, dupUnmanagedFields, equals, findAll, findAll, findAll, findFirst, findFirst, findFirst, findMax, findMax, findMax, forAll, forAll, forAll, get, getAbsoluteName, getAccessor, getAccessor, getAttributes, getAttributes, getClassLoader, getDefaultDescription, getDefaultValue, getDerivedDescription, getDescription, getDescriptionImpl, getFromResource, getI18NBundle, getItem, getLock, getParentMap, getPath, getPluginDescriptor, getRegistry, getRoot, getTransaction, getUniqueName, getWriteLock, hasEditableOptions, initPluginDescriptor, isActivated, isDirectory, isEditable, isOptionCategory, isPluginItem, isUserItem, makeUserItem, paramString, readAttribute, remove, removeDerivedItems, resolveItem, resolveLink, set, setDefaultDescription, setDescription, setDescription, setDirectory, setName, setNameIfNull, setOption, substitute, validate

Methods inherited from class de.grogra.graph.impl.Node

addEdgeBitsTo, addReference, appendBranchNode, appendBranchNode, appendReferencesTo, clone, clone, cloneGraph, dump, dumpTree, dup, edgeChanged, fieldModified, findAdjacent, findRefinementType, getAxisParent, getBoolean, getBranch, getBranchLength, getBranchNode, getBranchTail, getByte, getChar, getCommonAncestor, getCurrentGraphState, getDirectChildCount, getDouble, getEdgeAttributeAccessor, getEdgeAttributes, getEdgeBitsTo, getEdgeTo, getExtentIndex, getFirst, getFirstEdge, getFloat, getGraph, getId, getIndex, getInstantiator, getInt, getLayer, getLong, getManageableType, getName, getNeighbor, getNext, getNType, getObject, getOrCreateEdgeTo, getOrNull, getPersistenceManager, getPredecessor, getProvider, getShort, getSource, getStamp, getSuccessor, getSymbol, getSymbolColor, getTarget, getTransaction, getUserField, getUserFieldCount, getXClass, getXData, hasName, initProvider, initXClass, insertBranchNode, insertBranchNode, instantiateGraph, isAncestorOf, isDirection, isEncoarseOf, isManagingInstance, isMarked, isRoot, isSource, isTarget, manageableReadResolve, manageableWriteReplace, removeAll, removeEdgeBitsTo, removeFromChain, removeFromChain, removeReference, setBranch, setBranch, setExtentIndex, setGraphForDeserialization, setLayer, setMark, setSuccessor, setSuccessor, specialEdgeAdded, specialEdgeRefModified, specialEdgeRemoved, toString, writeReplace

Methods inherited from class de.grogra.graph.impl.Edge

addEdgeBits, getBitMark, getEdgeBits, getObjectMark, getSpecialEdgeDescriptor, parseEdgeKeys, remove, removeEdgeBits, setBitMark, setEdgeBits, setObjectMark, testEdgeBits

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface de.grogra.persistence.PersistenceCapable

getBitMark, getObjectMark, setBitMark, setObjectMark

Field Detail

$TYPE

public static final Node.NType $TYPE

Constructor Detail

First

public First()

Method Detail

evaluate

public java.lang.Object evaluate(RegistryContext ctx,
                        StringMap args)

Specified by:

evaluate in class Expression

getNTypeImpl

protected Node.NType getNTypeImpl()

Description copied from class: Node

This method returns the Node.NType which describes the managed fields of the class of this node. This method has to be implemented in every concrete subclass.

Overrides:

getNTypeImpl in class Item

Returns:

type describing the managed fields of the class of this node

newInstance

protected Node newInstance()

Description copied from class: Node

This method returns a new instance of the class of this node. This method has to be implemented in every concrete subclass.

Overrides:

newInstance in class Item

Returns:

new instance of class of this node