cn.leancloud.ops

类 NumericOperation

java.lang.Object

cn.leancloud.ops.BaseOperation

cn.leancloud.ops.NumericOperation

所有已实现的接口:

ObjectFieldOperation

直接已知子类:

BitAndOperation, BitOrOperation, BitXorOperation, DecrementOperation, IncrementOperation

public abstract class NumericOperation
extends BaseOperation

字段概要

从类继承的字段 cn.leancloud.ops.BaseOperation

field, isFinal, KEY_BODY, KEY_HTTP_METHOD, KEY_INTERNAL_ID, KEY_PATH, op, value

构造器概要

构造器

构造器和说明
NumericOperation(String op, String field, Object value)

方法概要

限定符和类型	方法和说明
protected static Number	addNumbers(Number a, Number b)
Object	apply(Object obj) apply operation to object, in order to generate new attribute value.
protected static Long	calculateLongs(Number a, Number b, char op)
Map<String,Object>	encode() encode operation to commit into cloud server.
protected ObjectFieldOperation	mergeWithPrevious(ObjectFieldOperation other) merge with previous operations.
protected static Number	subNumbers(Number a, Number b)

从类继承的方法 cn.leancloud.ops.BaseOperation

checkCircleReference, concatCollections, encodeAVFile, encodeAVObject, encodeByteArray, encodeCollection, encodeDate, encodeGeoPointer, encodeMap, encodeObject, encodeObject, getField, getOperation, getValue, isFinal, merge, reportIllegalOperations

从类继承的方法 java.lang.Object

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

构造器详细资料

NumericOperation

public NumericOperation(String op,
                        String field,
                        Object value)

方法详细资料

apply

public Object apply(Object obj)

从类复制的说明: BaseOperation

apply operation to object, in order to generate new attribute value.

指定者:

apply 在接口中 ObjectFieldOperation

指定者:

apply 在类中 BaseOperation

返回:

encode

public Map<String,Object> encode()

从接口复制的说明: ObjectFieldOperation

encode operation to commit into cloud server.

指定者:

encode 在接口中 ObjectFieldOperation

指定者:

encode 在类中 BaseOperation

返回:

mergeWithPrevious

protected ObjectFieldOperation mergeWithPrevious(ObjectFieldOperation other)

从类复制的说明: BaseOperation

merge with previous operations.

覆盖:

mergeWithPrevious 在类中 BaseOperation

返回:

calculateLongs

protected static Long calculateLongs(Number a,
                                     Number b,
                                     char op)

addNumbers

protected static Number addNumbers(Number a,
                                   Number b)

subNumbers

protected static Number subNumbers(Number a,
                                   Number b)