Variant

java.lang.Object
- com.geoway.mobile.core.Variant

```
public class Variant
extends java.lang.Object
```
JSON value. Can contain JSON-style structured data, including objects and arrays.

字段概要

字段
限定符和类型字段和说明

protected boolean swigCMemOwn

字段
限定符和类型	字段和说明
`protected boolean`	`swigCMemOwn`

构造器概要

构造器
构造器和说明
`Variant()` Constructs a null Variant object.
`Variant(boolean boolVal)` Constructs Variant object from a boolean.
`Variant(double doubleVal)` Constructs Variant object from a double.
`Variant(long longVal)` Constructs Variant object from an integer.
`Variant(long cPtr, boolean cMemoryOwn)`
`Variant(java.lang.String string)` Constructs Variant object from a string.
`Variant(StringVariantMap object)` Constructs Variant object from a map of values.
`Variant(VariantVector array)` Constructs Variant object from a list of values.

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`void`	`delete()`
`boolean`	`equals(java.lang.Object obj)` Checks if this object is equal to the specified object.
`protected void`	`finalize()`
`static Variant`	`fromString(java.lang.String str)` Creates a Variant object from a JSON string representation.
`Variant`	`getArrayElement(int idx)` Returns the element of array at specified position.
`int`	`getArraySize()` Returns the number of elements in the array.
`boolean`	`getBool()` Returns the boolean value of this variant.
`static long`	`getCPtr(Variant obj)`
`double`	`getDouble()` Returns the floating point value of this variant.
`long`	`getLong()` Returns the integer value of this variant.
`Variant`	`getObjectElement(java.lang.String key)` Returns the element of object with the specified key.
`StringVector`	`getObjectKeys()` Returns all the keys in the object.
`java.lang.String`	`getString()` Returns the string value of this variant.
`VariantType`	`getType()` Returns the type of this variant.
`int`	`hashCode()` Returns the hash value of this object.
`java.lang.String`	`toString()` Converts the variant to JSON string.

从类继承的方法 java.lang.Object
clone, getClass, notify, notifyAll, wait, wait, wait

- 字段详细资料
  - swigCMemOwn
```
protected boolean swigCMemOwn
```
- 构造器详细资料
  - Variant
```
public Variant(long cPtr,
               boolean cMemoryOwn)
```
  - Variant
```
public Variant()
```
    Constructs a null Variant object.
  - Variant
```
public Variant(boolean boolVal)
```
    Constructs Variant object from a boolean.
    
    参数:
    
    boolVal - The boolean value.
  - Variant
```
public Variant(long longVal)
```
    Constructs Variant object from an integer.
    
    参数:
    
    longVal - The integer value.
  - Variant
```
public Variant(double doubleVal)
```
    Constructs Variant object from a double.
    
    参数:
    
    doubleVal - The double value.
  - Variant
```
public Variant(java.lang.String string)
```
    Constructs Variant object from a string.
    
    参数:
    
    string - The string value.
  - Variant
```
public Variant(VariantVector array)
```
    Constructs Variant object from a list of values.
    
    参数:
    
    array - The array of JSON values.
  - Variant
```
public Variant(StringVariantMap object)
```
    Constructs Variant object from a map of values.
    
    参数:
    
    object - The map of JSON values.
- 方法详细资料
  - getCPtr
```
public static long getCPtr(Variant obj)
```
  - finalize
```
protected void finalize()
```
    覆盖:
    
    finalize 在类中 java.lang.Object
  - delete
```
public void delete()
```
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Checks if this object is equal to the specified object.
    
    覆盖:
    
    equals 在类中 java.lang.Object
    
    参数:
    
    obj - The reference object.
    
    返回:
    
    True when objects are equal, false otherwise.
  - hashCode
```
public int hashCode()
```
    Returns the hash value of this object.
    
    覆盖:
    
    hashCode 在类中 java.lang.Object
    
    返回:
    
    The hash value of this object.
  - getType
```
public VariantType getType()
```
    Returns the type of this variant.
    
    返回:
    
    The type of this variant.
  - getString
```
public java.lang.String getString()
```
    Returns the string value of this variant.
    
    返回:
    
    The string value of the variant. If the variant is not string, empty string will be returned.
  - getBool
```
public boolean getBool()
```
    Returns the boolean value of this variant.
    
    返回:
    
    The boolean value of the variant. If the variant is not boolean, false will be returned.
  - getLong
```
public long getLong()
```
    Returns the integer value of this variant.
    
    返回:
    
    The integer value of the variant. If the variant is not integer, 0 will be returned.
  - getDouble
```
public double getDouble()
```
    Returns the floating point value of this variant.
    
    返回:
    
    The floating point value of the variant. If the variant is integer, it will be converted to floating point. Otherwise 0.0 is be returned.
  - getArraySize
```
public int getArraySize()
```
    Returns the number of elements in the array.
    
    返回:
    
    The number of elements in the array if the variant is of array type. Otherwise 0 is returned.
  - getArrayElement
```
public Variant getArrayElement(int idx)
```
    Returns the element of array at specified position.
    
    参数:
    
    idx - The index of the array element to return (starting from 0).
    
    返回:
    
    The array element at specified position or null type if the element does not exist or the variant is not an array.
  - getObjectKeys
```
public StringVector getObjectKeys()
```
    Returns all the keys in the object.
    
    返回:
    
    The list containing all the keys of the object if the variant is of object type. Otherwise empty list is returned.
  - getObjectElement
```
public Variant getObjectElement(java.lang.String key)
```
    Returns the element of object with the specified key.
    
    参数:
    
    key - The key of the object element to return.
    
    返回:
    
    The object element with the specified key or null type if the element does not exist or the variant is not an object.
  - toString
```
public java.lang.String toString()
```
    Converts the variant to JSON string.
    
    覆盖:
    
    toString 在类中 java.lang.Object
    
    返回:
    
    The JSON string corresponding to the variant.
  - fromString
```
public static Variant fromString(java.lang.String str)
```
    Creates a Variant object from a JSON string representation.
    
    参数:
    
    str - The JSON string to use for the variant.
    
    返回:
    
    The corresponding Variant object.
    
    抛出:
    
    java.lang.Exception - If the string parsing fails.

类 Variant

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

swigCMemOwn

构造器详细资料

Variant

Variant

Variant

Variant

Variant

Variant

Variant

Variant

方法详细资料

getCPtr

finalize

delete

equals

hashCode

getType

getString

getBool

getLong

getDouble

getArraySize

getArrayElement

getObjectKeys

getObjectElement

toString

fromString