com.orientechnologies.orient.core.sql.parser

Class OProjectionItem

java.lang.Object

com.orientechnologies.orient.core.sql.parser.SimpleNode

com.orientechnologies.orient.core.sql.parser.OProjectionItem

All Implemented Interfaces:

Node

public class OProjectionItem
extends SimpleNode

Field Summary

Fields

Modifier and Type	Field and Description
protected Boolean	aggregate
protected OIdentifier	alias
protected boolean	all
protected OExpression	expression
protected ONestedProjection	nestedProjection

Fields inherited from class com.orientechnologies.orient.core.sql.parser.SimpleNode

children, firstToken, id, lastToken, parent, parser, value

Constructor Summary

Constructors

Constructor and Description
OProjectionItem(int id)
OProjectionItem(OExpression expression, OIdentifier alias, ONestedProjection nestedProjection)
OProjectionItem(OrientSql p, int id)

Method Summary

Modifier and Type	Method and Description
Object	convert(Object value)
OProjectionItem	copy()
void	deserialize(OResult fromResult)
boolean	equals(Object o)
Object	execute(OIdentifiable iCurrentRecord, OCommandContext ctx)
Object	execute(OResult iCurrentRecord, OCommandContext ctx)
void	extractSubQueries(SubQueryCollector collector)
AggregationContext	getAggregationContext(OCommandContext ctx)
OIdentifier	getAlias()
OProjectionItem	getExpandContent()
OExpression	getExpression()
OIdentifier	getProjectionAlias()
String	getProjectionAliasAsString() returns the final alias for this projection item (the explicit alias, if defined, or the default alias)
int	hashCode()
boolean	isAggregate()
boolean	isAll()
boolean	isCacheable()
boolean	isExpand()
boolean	refersToParent()
OResult	serialize()
void	setAlias(OIdentifier alias)
void	setAll(boolean all)
void	setExpression(OExpression expression)
void	setNestedProjection(ONestedProjection nestedProjection)
OProjectionItem	splitForAggregation(AggregateProjectionSplit aggregateSplit, OCommandContext ctx) INTERNAL USE ONLY this has to be invoked ONLY if the item is aggregate!!!
void	toString(Map<Object,Object> params, StringBuilder builder)

Methods inherited from class com.orientechnologies.orient.core.sql.parser.SimpleNode

childrenAccept, dump, getDatabase, getValue, jjtAccept, jjtAddChild, jjtClose, jjtGetChild, jjtGetFirstToken, jjtGetLastToken, jjtGetNumChildren, jjtGetParent, jjtGetValue, jjtOpen, jjtSetFirstToken, jjtSetLastToken, jjtSetParent, jjtSetValue, toString, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

all

protected boolean all

alias

protected OIdentifier alias

expression

protected OExpression expression

aggregate

protected Boolean aggregate

nestedProjection

protected ONestedProjection nestedProjection

Constructor Detail

OProjectionItem

public OProjectionItem(OExpression expression,
                       OIdentifier alias,
                       ONestedProjection nestedProjection)

OProjectionItem

public OProjectionItem(int id)

OProjectionItem

public OProjectionItem(OrientSql p,
                       int id)

Method Detail

isAll

public boolean isAll()

setAll

public void setAll(boolean all)

getAlias

public OIdentifier getAlias()

setAlias

public void setAlias(OIdentifier alias)

getExpression

public OExpression getExpression()

setExpression

public void setExpression(OExpression expression)

toString

public void toString(Map<Object,Object> params,
                     StringBuilder builder)

Overrides:

toString in class SimpleNode

execute

public Object execute(OIdentifiable iCurrentRecord,
                      OCommandContext ctx)

convert

public Object convert(Object value)

execute

public Object execute(OResult iCurrentRecord,
                      OCommandContext ctx)

getProjectionAliasAsString

public String getProjectionAliasAsString()

returns the final alias for this projection item (the explicit alias, if defined, or the default alias)

Returns:

the final alias for this projection item

getProjectionAlias

public OIdentifier getProjectionAlias()

isExpand

public boolean isExpand()

getExpandContent

public OProjectionItem getExpandContent()

isAggregate

public boolean isAggregate()

splitForAggregation

public OProjectionItem splitForAggregation(AggregateProjectionSplit aggregateSplit,
                                           OCommandContext ctx)

INTERNAL USE ONLY this has to be invoked ONLY if the item is aggregate!!!

Parameters:

aggregateSplit -

getAggregationContext

public AggregationContext getAggregationContext(OCommandContext ctx)

copy

public OProjectionItem copy()

Overrides:

copy in class SimpleNode

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

extractSubQueries

public void extractSubQueries(SubQueryCollector collector)

refersToParent

public boolean refersToParent()

serialize

public OResult serialize()

deserialize

public void deserialize(OResult fromResult)

setNestedProjection

public void setNestedProjection(ONestedProjection nestedProjection)

isCacheable

public boolean isCacheable()