org.olat.lms.course.condition.operators

接口 Operator

所有超级接口:

java.io.Serializable

所有已知实现类:

AbstractOperator, AttributeEndswithOperator, AttributeStartswithOperator, EqualsOperator, GreaterThanEqualsOperator, GreaterThanOperator, HasAttributeOperator, HasNotAttributeOperator, IsInAttributeOperator, IsNotInAttributeOperator, LowerThanEqualsOperator, LowerThanOperator

public interface Operator
extends java.io.Serializable

Description:
Interface for the operators in extended easy mode.

Initial Date: 23.10.2006

作者:

Lars Eberle (BPS Bildungsportal Sachsen GmbH)

方法概要

方法

限定符和类型	方法和说明
java.lang.String	buildExpression(java.lang.String attribute, java.lang.String value) Builds the expression using the given attribute and value and the operator (depending which class implements this method).
java.lang.String	buildSQLStatement(java.lang.String attribute, java.lang.String value) Builds the SQL statement using the given attribute and value and the operator.
java.lang.String	getLabelKey()
java.lang.String	getOperator()
java.lang.String	getOperatorKey()

方法详细资料

getLabelKey

java.lang.String getLabelKey()

返回:

the key of the operators label to be translated

getOperator

java.lang.String getOperator()

返回:

the operators function name

getOperatorKey

java.lang.String getOperatorKey()

返回:

the operators key (e.g. for use in StaticSingleSelectionFields)

buildExpression

java.lang.String buildExpression(java.lang.String attribute,
                               java.lang.String value)

Builds the expression using the given attribute and value and the operator (depending which class implements this method).

参数:

attribute -

value -

返回:

an expression like

 hasAttribute("attributeValue", "valueToBeTested")
 

buildSQLStatement

java.lang.String buildSQLStatement(java.lang.String attribute,
                                 java.lang.String value)

Builds the SQL statement using the given attribute and value and the operator.

参数:

attribute -

value -

返回: