com.orientechnologies.orient.core.sql.functions.coll

Class OSQLFunctionTraversedEdge

java.lang.Object

com.orientechnologies.orient.core.sql.functions.OSQLFunctionAbstract

com.orientechnologies.orient.core.sql.functions.OSQLFunctionConfigurableAbstract

com.orientechnologies.orient.core.sql.functions.coll.OSQLFunctionTraversedElement

com.orientechnologies.orient.core.sql.functions.coll.OSQLFunctionTraversedEdge

All Implemented Interfaces:

OSQLFunction

public class OSQLFunctionTraversedEdge
extends OSQLFunctionTraversedElement

Returns a traversed element from the stack. Use it with SQL traverse only.

Author:

Luca Garulli (l.garulli--at--orientechnologies.com)

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME

Fields inherited from class com.orientechnologies.orient.core.sql.functions.OSQLFunctionConfigurableAbstract

configuredParameters

Fields inherited from class com.orientechnologies.orient.core.sql.functions.OSQLFunctionAbstract

maxParams, minParams, name

Constructor Summary

Constructors

Constructor and Description
OSQLFunctionTraversedEdge()

Method Summary

Modifier and Type	Method and Description
Object	execute(Object iThis, OIdentifiable iCurrentRecord, Object iCurrentResult, Object[] iParams, OCommandContext iContext) Process a record.

Methods inherited from class com.orientechnologies.orient.core.sql.functions.coll.OSQLFunctionTraversedElement

aggregateResults, evaluate, filterResult, getResult, getSyntax

Methods inherited from class com.orientechnologies.orient.core.sql.functions.OSQLFunctionConfigurableAbstract

config, toString

Methods inherited from class com.orientechnologies.orient.core.sql.functions.OSQLFunctionAbstract

getDistributedStorageId, getMaxParams, getMinParams, getName, mergeDistributedResult, returnDistributedResult, setResult, shouldMergeDistributedResult

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

OSQLFunctionTraversedEdge

public OSQLFunctionTraversedEdge()

Method Detail

execute

public Object execute(Object iThis,
                      OIdentifiable iCurrentRecord,
                      Object iCurrentResult,
                      Object[] iParams,
                      OCommandContext iContext)

Description copied from interface: OSQLFunction

Process a record.

Specified by:

execute in interface OSQLFunction

Overrides:

execute in class OSQLFunctionTraversedElement

iCurrentRecord - : current record

iCurrentResult - TODO

iParams - : function parameters, number is ensured to be within minParams and maxParams.

iContext - : object calling this function

Returns:

function result, can be null. Special cases : can be null if function aggregate results, can be null if function filter results : this mean result is excluded