Package ru.bgcrm.dao.expression

Class Expression

java.lang.Object

ru.bgcrm.dao.expression.Expression

public class Expression
extends Object

JEXL expression processor. JEXL scripts are used for condition checking and execution small scripts. http://commons.apache.org/jexl/reference/syntax.html#Functions

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Expression.ContextInitEvent

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CHECK_ERROR_MESSAGE_CONFIG_KEY
static final String	CHECK_EXPRESSION_CONFIG_KEY
static final String	DO_EXPRESSION_CONFIG_KEY
static final String	EXPRESSION_CONFIG_KEY

Constructor Summary

Constructors

Constructor	Description
Expression(Map<String,Object> contextVars)

Method Summary

Modifier and Type	Method	Description
boolean	check(String expression)
static Map<String,Object>	context(ConnectionSet conSet, DynActionForm form, UserEvent event, Process process)	Creates expressions' context for process related expression.
Object	executeScript(String expression)
Object	getContextObject(String name)
String	getString(String expression)
static Expression	init(ConnectionSet conSet, UserEvent event, Process process)	Creates initialized expression for a process related expression.
static void	setExpressionContextUtils(Map<String,Object> contextVars)

Methods inherited from class java.lang.Object

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

Field Details

EXPRESSION_CONFIG_KEY

public static final String EXPRESSION_CONFIG_KEY

See Also:

• Constant Field Values

CHECK_EXPRESSION_CONFIG_KEY

public static final String CHECK_EXPRESSION_CONFIG_KEY

See Also:

• Constant Field Values

CHECK_ERROR_MESSAGE_CONFIG_KEY

public static final String CHECK_ERROR_MESSAGE_CONFIG_KEY

See Also:

• Constant Field Values

DO_EXPRESSION_CONFIG_KEY

public static final String DO_EXPRESSION_CONFIG_KEY

See Also:

• Constant Field Values

Constructor Details

Expression

public Expression(Map<String,Object> contextVars)

Method Details

setExpressionContextUtils

public static void setExpressionContextUtils(Map<String,Object> contextVars)

getContextObject

public Object getContextObject(String name)

check

public boolean check(String expression)

getString

public String getString(String expression)

executeScript

public Object executeScript(String expression)

init

public static Expression init(ConnectionSet conSet,
 UserEvent event,
 Process process)
                       throws Exception

Creates initialized expression for a process related expression.

Parameters:

conSet - DB connection sets.

event - event.

process - the process.

Returns:

Throws:

Exception

context

public static Map<String,Object> context(ConnectionSet conSet,
 DynActionForm form,
 UserEvent event,
 Process process)

Creates expressions' context for process related expression.

Parameters:

conSet - DB connections set.

form - request form.

event - event, can be null.

process - the process.

Returns: