com.hazelcast.query.impl.getters

Class JsonPathCursor

java.lang.Object

com.hazelcast.query.impl.getters.JsonPathCursor

public class JsonPathCursor
extends Object

Represents a query path for Json querying. Parsing of a query path is lazy. This cursor splits parts of an attribute path by "."s and "["s.

Method Summary

Modifier and Type	Method and Description
static JsonPathCursor	createCursor(String attributePath) Creates a new cursor from given attribute path.
int	getArrayIndex() Returns array index if the current item is array and not "any".
String	getAttributePath()
String	getCurrent() Returns the current attribute path part.
byte[]	getCurrentAsUTF8() Returns byte array of UTF8 encoded getCurrent().
String	getNext() Returns the next attribute path part.
boolean	hasNext()
boolean	isAny()
boolean	isArray()
void	reset()

Methods inherited from class java.lang.Object

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

Method Detail

createCursor

public static JsonPathCursor createCursor(String attributePath)

Creates a new cursor from given attribute path.

Parameters:

attributePath -

getAttributePath

public String getAttributePath()

getNext

public String getNext()

Returns the next attribute path part. The returned string is either the name of the next attribute or the string representation of an array index. null indicates the end of input.

Returns:

either null or the next part of the attribute path

getCurrent

public String getCurrent()

Returns the current attribute path part. The returned string is either the name of the current attribute or the string representation of an array index. null indicates the end of input.

Returns:

either null or the current part of the attribute path

getCurrentAsUTF8

public byte[] getCurrentAsUTF8()

Returns byte array of UTF8 encoded getCurrent(). This method caches the UTF8 encoded byte array, so it is more efficient to call repeteadly. The returned byte array must not be modified!

Returns:

isArray

public boolean isArray()

Returns:

true if the current item is an array

isAny

public boolean isAny()

Returns:

true if the current item is "any"

getArrayIndex

public int getArrayIndex()

Returns array index if the current item is array and not "any".

Returns:

-1 if the current item is "any" or non-array.

reset

public void reset()

hasNext

public boolean hasNext()