top.xiajibagao.crane.jackson.impl.handler

类 NullNodeOperateHandler

java.lang.Object

top.xiajibagao.crane.jackson.impl.handler.NullNodeOperateHandler

所有已实现的接口:

Comparable<Orderly>, org.springframework.core.Ordered, OperateHandler, Orderly

public class NullNodeOperateHandler
extends Object
implements OperateHandler

用于处理null值的节点，一般当具有最高的优先级，当待读取的数据源或待写入的待处理对象为null时， 优先使用该节点处理，避免后续节点被无意义的反复调用

作者:

huangchengxing

字段概要

从接口继承的字段 org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

构造器概要

构造器

构造器和说明
NullNodeOperateHandler()

方法概要

限定符和类型	方法和说明
int	getOrder()
com.fasterxml.jackson.databind.node.NullNode	readFromSource(Object source, PropertyMapping property, Operation operation)
boolean	sourceCanRead(Object source, PropertyMapping property, Operation operation)
boolean	targetCanWrite(Object sourceData, Object target, PropertyMapping property, AssembleOperation operation)
void	writeToTarget(Object sourceData, Object target, PropertyMapping property, AssembleOperation operation)

从类继承的方法 java.lang.Object

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

从接口继承的方法 top.xiajibagao.crane.core.helper.Orderly

comparator, compareTo

构造器详细资料

NullNodeOperateHandler

public NullNodeOperateHandler()

方法详细资料

getOrder

public int getOrder()

指定者:

getOrder 在接口中 org.springframework.core.Ordered

指定者:

getOrder 在接口中 Orderly

sourceCanRead

public boolean sourceCanRead(@Nullable
                             Object source,
                             PropertyMapping property,
                             Operation operation)

指定者:

sourceCanRead 在接口中 OperateHandler

readFromSource

public com.fasterxml.jackson.databind.node.NullNode readFromSource(@Nullable
                                                                   Object source,
                                                                   PropertyMapping property,
                                                                   Operation operation)

指定者:

readFromSource 在接口中 OperateHandler

targetCanWrite

public boolean targetCanWrite(@Nullable
                              Object sourceData,
                              @Nullable
                              Object target,
                              PropertyMapping property,
                              AssembleOperation operation)

指定者:

targetCanWrite 在接口中 OperateHandler

writeToTarget

public void writeToTarget(@Nullable
                          Object sourceData,
                          @Nullable
                          Object target,
                          PropertyMapping property,
                          AssembleOperation operation)

指定者:

writeToTarget 在接口中 OperateHandler