com.orientechnologies.orient.core.record

Interface OElement

All Superinterfaces:

Comparable<OIdentifiable>, Comparator<OIdentifiable>, OIdentifiable, ORecord, ORecordElement, OSerializableStream, Serializable

All Known Subinterfaces:

OEdge, OVertex

All Known Implementing Classes:

ODocument, ODocumentEmbedded, OEdgeDelegate, OEdgeDocument, OVertexDelegate, OVertexDocument, OViewDocument

public interface OElement
extends ORecord

Author:

Luigi Dell'Aquila

Nested Class Summary

Nested classes/interfaces inherited from interface com.orientechnologies.orient.core.db.record.ORecordElement

ORecordElement.STATUS

Method Summary

Modifier and Type	Method and Description
Optional<OEdge>	asEdge() Returns an instance of OEdge representing current element
Optional<OVertex>	asVertex() Returns an instance of OVertex representing current element
<RET> RET	getProperty(String name) Gets a property given its name
Set<String>	getPropertyNames() Returns all the names of defined properties
Optional<OClass>	getSchemaType() Returns the type of current element, ie the class in the schema (if any)
boolean	hasProperty(String propertyName) Check if a property exists in the Element
boolean	isEdge() return true if the current element is an edge
boolean	isVertex() return true if the current element is a vertex
<RET> RET	removeProperty(String name) Remove a property
void	setProperty(String name, Object value) Sets a property value
void	setProperty(String name, Object value, OType... fieldType) Sets a property value

Methods inherited from interface com.orientechnologies.orient.core.record.ORecord

clear, copy, delete, detach, fromJSON, getDatabase, getIdentity, getInternalStatus, getSize, getVersion, isDirty, load, reload, reload, reset, save, save, save, save, setInternalStatus, toJSON, toJSON, unload

Methods inherited from interface com.orientechnologies.orient.core.db.record.ORecordElement

getOwner, setDirty, setDirtyNoChanged

Methods inherited from interface com.orientechnologies.orient.core.db.record.OIdentifiable

getRecord, isLocked, lock, lockingStrategy, unlock

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface java.util.Comparator

compare, comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Methods inherited from interface com.orientechnologies.orient.core.serialization.OSerializableStream

fromStream, toStream

Method Detail

getPropertyNames

Set<String> getPropertyNames()

Returns all the names of defined properties

Returns:

all the names of defined properties

getProperty

<RET> RET getProperty(String name)

Gets a property given its name

Type Parameters:

RET -

Parameters:

name - the property name

Returns:

Returns the property value

hasProperty

boolean hasProperty(String propertyName)

Check if a property exists in the Element

Parameters:

propertyName -

Returns:

true if exists otherwise false.

setProperty

void setProperty(String name,
                 Object value)

Sets a property value

Parameters:

name - the property name

value - the property value

setProperty

void setProperty(String name,
                 Object value,
                 OType... fieldType)

Sets a property value

Parameters:

name - the property name

value - the property value

fieldType - Forced type (not auto-determined)

removeProperty

<RET> RET removeProperty(String name)

Remove a property

Parameters:

name - the property name

asVertex

Optional<OVertex> asVertex()

Returns an instance of OVertex representing current element

Returns:

An OVertex that represents the current element. An empty optional if the current element is not a vertex

asEdge

Optional<OEdge> asEdge()

Returns an instance of OEdge representing current element

Returns:

An OEdge that represents the current element. An empty optional if the current element is not an edge

isVertex

boolean isVertex()

return true if the current element is a vertex

Returns:

true if the current element is a vertex

isEdge

boolean isEdge()

return true if the current element is an edge

Returns:

true if the current element is an edge

getSchemaType

Optional<OClass> getSchemaType()

Returns the type of current element, ie the class in the schema (if any)

Returns:

the type of current element. An empty optional is returned if current element does not have a schema