org.hypergraphdb.type

Class TypeUtils

java.lang.Object

org.hypergraphdb.type.TypeUtils

public final class TypeUtils
extends Object

A set of static utility methods operating on types.

Author:

Borislav Iordanov

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TypeUtils.WrappedRuntimeInstance

Constructor Summary

Constructors

Constructor and Description
TypeUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	deleteInstances(HyperGraph graph, HGHandle type)
static boolean	deleteType(HyperGraph graph, Class<?> type, boolean recursive)
static boolean	deleteType(HyperGraph graph, HGHandle type)
static boolean	deleteType(HyperGraph graph, HGHandle th, boolean recursive)
static String	formatDimensionPath(String[] dimPath)
static HGPersistentHandle	getHandleFor(HyperGraph graph, Object value)
static HGPersistentHandle	getNewHandleFor(HyperGraph hg, Object value)
static HGProjection	getProjection(HyperGraph hg, HGAtomType type, String[] dimPath)
static Object	getValueFor(HyperGraph graph, HGPersistentHandle h)
static boolean	initThreadLocals() Internal method - do not call.
static boolean	isValueReleased(HyperGraph graph, HGPersistentHandle h)
static Object	makeValue(HyperGraph graph, HGPersistentHandle h, HGAtomType type)
static String[]	parseDimensionPath(String formatted) Split a dimension path in dot notation to a String[].
static HGTypedValue	project(HyperGraph hg, HGHandle type, Object value, String[] dimPath, boolean throwExceptionOnNotFound)
static void	releaseThreadLocals(boolean topCall) Internal method - do not call.
static void	releaseValue(HyperGraph graph, HGAtomType type, HGPersistentHandle h)
static void	setValueFor(HyperGraph graph, HGPersistentHandle h, Object value)
static HGPersistentHandle	storeValue(HyperGraph graph, Object value, HGAtomType type)
static List<HGHandle>	subsumesClosure(HyperGraph graph, HGHandle baseType)

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeUtils

public TypeUtils()

Method Detail

parseDimensionPath

public static String[] parseDimensionPath(String formatted)

Split a dimension path in dot notation to a String[].

Parameters:

formatted - The dimension path in the format "a.b.c...d"

Returns:

The String[] {"a", "b", "c", ..., "d"}

formatDimensionPath

public static String formatDimensionPath(String[] dimPath)

getProjection

public static HGProjection getProjection(HyperGraph hg,
                         HGAtomType type,
                         String[] dimPath)

project

public static HGTypedValue project(HyperGraph hg,
                   HGHandle type,
                   Object value,
                   String[] dimPath,
                   boolean throwExceptionOnNotFound)

initThreadLocals

public static boolean initThreadLocals()

Internal method - do not call.

releaseThreadLocals

public static void releaseThreadLocals(boolean topCall)

Internal method - do not call.

getNewHandleFor

public static HGPersistentHandle getNewHandleFor(HyperGraph hg,
                                 Object value)

isValueReleased

public static boolean isValueReleased(HyperGraph graph,
                      HGPersistentHandle h)

releaseValue

public static void releaseValue(HyperGraph graph,
                HGAtomType type,
                HGPersistentHandle h)

storeValue

public static HGPersistentHandle storeValue(HyperGraph graph,
                            Object value,
                            HGAtomType type)

getHandleFor

public static HGPersistentHandle getHandleFor(HyperGraph graph,
                              Object value)

getValueFor

public static Object getValueFor(HyperGraph graph,
                 HGPersistentHandle h)

setValueFor

public static void setValueFor(HyperGraph graph,
               HGPersistentHandle h,
               Object value)

makeValue

public static Object makeValue(HyperGraph graph,
               HGPersistentHandle h,
               HGAtomType type)

subsumesClosure

public static List<HGHandle> subsumesClosure(HyperGraph graph,
                             HGHandle baseType)

deleteType

public static boolean deleteType(HyperGraph graph,
                 HGHandle th,
                 boolean recursive)

deleteType

public static boolean deleteType(HyperGraph graph,
                 Class<?> type,
                 boolean recursive)

deleteType

public static boolean deleteType(HyperGraph graph,
                 HGHandle type)

deleteInstances

public static boolean deleteInstances(HyperGraph graph,
                      HGHandle type)