iot.jcypher.query

Class JcQueryResult

java.lang.Object

iot.jcypher.query.JcQueryResult

public class JcQueryResult
extends Object

Constructor Summary

Constructors

Constructor and Description
JcQueryResult(javax.json.JsonObject jsonResult, int queryIndex, IDBAccess dbAccess)

Method Summary

Methods

Modifier and Type	Method and Description
void	addGeneralError(JcError generalError) Add a general (system) error
List<JcError>	getDBErrors()
List<JcError>	getGeneralErrors()
Graph	getGraph()
javax.json.JsonObject	getJsonResult()
boolean	hasErrors()
LiteralMapList	resultMapListOf(JcPrimitive... key) answer a list of literal maps containing result values for the given keys
List<Boolean>	resultOf(JcBoolean bool)
List<List<?>>	resultOf(JcCollection collection)
List<GrNode>	resultOf(JcNode node)
List<BigDecimal>	resultOf(JcNumber number)
List<GrPath>	resultOf(JcPath path) Note: After locally modifying the graph the result may be inconsistent with the changes
List<GrRelation>	resultOf(JcRelation relation)
List<String>	resultOf(JcString string)
List<?>	resultOf(JcValue val)

Methods inherited from class java.lang.Object

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

Constructor Detail

JcQueryResult

public JcQueryResult(javax.json.JsonObject jsonResult,
             int queryIndex,
             IDBAccess dbAccess)

Method Detail

getJsonResult

public javax.json.JsonObject getJsonResult()

Returns:

the JsonObject representing the query result.

resultOf

public List<GrNode> resultOf(JcNode node)

Parameters:

node -

Returns:

an unmodifiable list of nodes (i.e a result column)

resultOf

public List<GrRelation> resultOf(JcRelation relation)

Parameters:

relation -

Returns:

an unmodifiable list of relations (i.e a result column)

resultOf

public List<GrPath> resultOf(JcPath path)

Note: After locally modifying the graph the result may be inconsistent with the changes

Parameters:

path -

Returns:

an unmodifiable list of paths (i.e a result column)

resultOf

public List<BigDecimal> resultOf(JcNumber number)

resultOf

public List<String> resultOf(JcString string)

resultOf

public List<Boolean> resultOf(JcBoolean bool)

resultOf

public List<List<?>> resultOf(JcCollection collection)

resultOf

public List<?> resultOf(JcValue val)

resultMapListOf

public LiteralMapList resultMapListOf(JcPrimitive... key)

answer a list of literal maps containing result values for the given keys

Parameters:

key - a variable number of keys which are used to calculate result-values to fill the resulting maps

Returns:

a list of LiteralMap(s)

getGraph

public Graph getGraph()

getGeneralErrors

public List<JcError> getGeneralErrors()

Returns:

a list of general errors (e.g. connection errors).

getDBErrors

public List<JcError> getDBErrors()

Returns:

a list of database errors
(the database was successfully accessed, but the query produced error(s)).

addGeneralError

public void addGeneralError(JcError generalError)

Add a general (system) error

Parameters:

generalError -

hasErrors

public boolean hasErrors()

Returns:

true, if the query result contains any error(s).