ExpressionEngine (expression-engine 1.0.2 API)

java.lang.Object
- com.github.liuyehcf.framework.expression.engine.ExpressionEngine

public abstract class ExpressionEngine
extends Object

作者:: hechenfeng

构造器概要

构造器
构造器和说明

ExpressionEngine()

构造器
构造器和说明
`ExpressionEngine()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static void`	`addFunction(Function function)` add normal function
`static String`	`addOperatorFunction(OperatorFunction function)` add operator function
`static void`	`cleanOperatorFunctions()` clean default operator functions of all type
`static void`	`cleanOperatorFunctions(OperatorType type)` clean default operator functions of specified type
`static ExpressionCode`	`compile(String expression)` compile expression
`static <T> T`	`exec(ExpressionCode expressionCode, Object... properties)` execute expression code with properties
`static <T> T`	`exec(String expression, Object... properties)` execute expression with properties
`static <T> T`	`execute(ExpressionCode expressionCode)` execute expression code without env
`static <T> T`	`execute(ExpressionCode expressionCode, Map<String,Object> env)` execute expression code with env
`static <T> T`	`execute(String expression)` execute expression without env
`static <T> T`	`execute(String expression, Map<String,Object> env)` execute expression with env
`static Function`	`getFunction(String functionName)` ge normal function by name
`static List<OperatorFunction>`	`getOperatorFunctions(OperatorType type)` get operator functions byte operator type
`static boolean`	`getOption(Option option)` get status of specified option
`static Map<Option,Boolean>`	`getOptions()` return all expression engine options
`static Function`	`removeFunction(String functionName)` remove normal function
`static Function`	`removeOperatorFunction(OperatorType type, String id)` remove operator function
`static void`	`setOption(Option option, boolean status)` set expression engine option

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
  - ExpressionEngine
```
public ExpressionEngine()
```
- 方法详细资料
  - setOption
```
public static void setOption(Option option,
                             boolean status)
```
    set expression engine option
    
    参数:
    
    option - option
    
    status - status
  - getOption
```
public static boolean getOption(Option option)
```
    get status of specified option
    
    参数:
    
    option - option
    
    返回:
    
    status of option
  - getOptions
```
public static Map<Option,Boolean> getOptions()
```
    return all expression engine options
    
    返回:
    
    options
  - addFunction
```
public static void addFunction(Function function)
```
    add normal function
    
    参数:
    
    function - function
  - removeFunction
```
public static Function removeFunction(String functionName)
```
    remove normal function
    
    参数:
    
    functionName - function name
    
    返回:
    
    the function removed
  - getFunction
```
public static Function getFunction(String functionName)
```
    ge normal function by name
    
    参数:
    
    functionName - function name
    
    返回:
    
    normal function
  - cleanOperatorFunctions
```
public static void cleanOperatorFunctions(OperatorType type)
```
    clean default operator functions of specified type
    
    参数:
    
    type - operator type
  - cleanOperatorFunctions
```
public static void cleanOperatorFunctions()
```
    clean default operator functions of all type
  - addOperatorFunction
```
public static String addOperatorFunction(OperatorFunction function)
```
    add operator function
    
    参数:
    
    function - operator function
    
    返回:
    
    id of added operator function of related type
  - removeOperatorFunction
```
public static Function removeOperatorFunction(OperatorType type,
                                              String id)
```
    remove operator function
    
    参数:
    
    type - operator type
    
    id - operator function id
    
    返回:
    
    operator function removed
  - getOperatorFunctions
```
public static List<OperatorFunction> getOperatorFunctions(OperatorType type)
```
    get operator functions byte operator type
    
    参数:
    
    type - operator type
    
    返回:
    
    operator function list
  - compile
```
public static ExpressionCode compile(String expression)
```
    compile expression
    
    参数:
    
    expression - expression
    
    返回:
    
    expression compiled code
  - execute
```
public static <T> T execute(String expression,
                            Map<String,Object> env)
```
    execute expression with env
    
    类型参数:
    
    T - return type
    
    参数:
    
    expression - expression
    
    env - env
    
    返回:
    
    execution result
  - execute
```
public static <T> T execute(String expression)
```
    execute expression without env
    
    类型参数:
    
    T - return type
    
    参数:
    
    expression - expression
    
    返回:
    
    execution result
  - execute
```
public static <T> T execute(ExpressionCode expressionCode,
                            Map<String,Object> env)
```
    execute expression code with env
    
    类型参数:
    
    T - return type
    
    参数:
    
    expressionCode - expression code
    
    env - env
    
    返回:
    
    execution result
  - execute
```
public static <T> T execute(ExpressionCode expressionCode)
```
    execute expression code without env
    
    类型参数:
    
    T - return type
    
    参数:
    
    expressionCode - expression code
    
    返回:
    
    execution result
  - exec
```
public static <T> T exec(String expression,
                         Object... properties)
```
    execute expression with properties
    
    类型参数:
    
    T - return type
    
    参数:
    
    expression - expression
    
    properties - properties
    
    返回:
    
    execute result
  - exec
```
public static <T> T exec(ExpressionCode expressionCode,
                         Object... properties)
```
    execute expression code with properties
    
    类型参数:
    
    T - return type
    
    参数:
    
    expressionCode - expression code
    
    properties - properties
    
    返回:
    
    execute result

类 ExpressionEngine

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

ExpressionEngine

方法详细资料

setOption

getOption

getOptions

addFunction

removeFunction

getFunction

cleanOperatorFunctions

cleanOperatorFunctions

addOperatorFunction

removeOperatorFunction

getOperatorFunctions

compile

execute

execute

execute

execute

exec

exec