Package 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	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 java.lang.Comparable

compareTo

Methods inherited from interface java.util.Comparator

compare, equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

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

getRecord

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

clear, copy, detach, fromJSON, getIdentity, getInternalStatus, getSize, getVersion, isDirty, reset, 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.serialization.OSerializableStream

fromStream, toStream

Method Details

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