Package com.kuzudb

Class ValueStructUtil

java.lang.Object

com.kuzudb.ValueStructUtil

public class ValueStructUtil
extends Object

Utility functions for Value of struct type.

Constructor Summary

Constructors

Constructor	Description
ValueStructUtil()

Method Summary

Modifier and Type	Method	Description
static String	getFieldNameByIndex(Value value, long index)	Get the name of the field at the given index from the given struct value.
static long	getIndexByFieldName(Value value, String fieldName)	Get the index of the field with the given name from the given struct value.
static long	getNumFields(Value value)	Get the number of fields of the struct value.
static Value	getValueByFieldName(Value value, String fieldName)	Get the value of the field with the given name from the given struct value.
static Value	getValueByIndex(Value value, long index)	Get the value of the field at the given index from the given struct value.

Methods inherited from class java.lang.Object

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

Constructor Details

ValueStructUtil

public ValueStructUtil()

Method Details

getNumFields

public static long getNumFields(Value value)
                         throws ObjectRefDestroyedException

Get the number of fields of the struct value.

Parameters:

value - : The struct value.

Returns:

The number of fields of the struct value.

Throws:

ObjectRefDestroyedException - If the struct value has been destroyed.

getIndexByFieldName

public static long getIndexByFieldName(Value value,
 String fieldName)
                                throws ObjectRefDestroyedException

Get the index of the field with the given name from the given struct value.

Parameters:

value - : The struct value.

fieldName - : The name of the field.

Returns:

The index of the field with the given name from the given struct value.

Throws:

ObjectRefDestroyedException - If the struct value has been destroyed.

getFieldNameByIndex

public static String getFieldNameByIndex(Value value,
 long index)
                                  throws ObjectRefDestroyedException

Get the name of the field at the given index from the given struct value.

Parameters:

value - : The struct value.

index - : The index of the field.

Returns:

The name of the field at the given index from the given struct value.

Throws:

ObjectRefDestroyedException - If the struct value has been destroyed.

getValueByFieldName

public static Value getValueByFieldName(Value value,
 String fieldName)
                                 throws ObjectRefDestroyedException

Get the value of the field with the given name from the given struct value.

Parameters:

value - : The struct value.

fieldName - : The name of the field.

Returns:

The value of the field with the given name from the given struct value.

Throws:

ObjectRefDestroyedException - If the struct value has been destroyed.

getValueByIndex

public static Value getValueByIndex(Value value,
 long index)
                             throws ObjectRefDestroyedException

Get the value of the field at the given index from the given struct value.

Parameters:

value - : The struct value.

index - : The index of the field.

Returns:

The value of the field at the given index from the given struct value.

Throws:

ObjectRefDestroyedException - If the struct value has been destroyed.