org.eclipse.birt.report.model.api
Class Expression

java.lang.Object
  org.eclipse.birt.report.model.api.Expression

public class Expression
extends java.lang.Object

Represents the object for the expression. The expression has an expression value and its type.

See Also:

ExpressionType

Constructor Summary

Expression(java.lang.Object expr, java.lang.String type)
Constructor

Method Summary

boolean	equals(java.lang.Object obj)
java.lang.Object	getExpression() Return the raw expression if the type is not constant.
java.lang.String	getStringExpression() Return the raw expression if the type is not constant.
java.lang.String	getType() Return the type of the expression.
java.lang.String	getUserDefinedType() Return the type of the expression set by the user.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression

public Expression(java.lang.Object expr,
                  java.lang.String type)

Constructor

Parameters:

expr - the value

type - the type

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getStringExpression

public java.lang.String getStringExpression()

Return the raw expression if the type is not constant. If the type is constant, get the value in string.

Returns:

the raw expression or the value in string

getExpression

public java.lang.Object getExpression()

Return the raw expression if the type is not constant. If the type is constant, get the value.

Returns:

the raw expression or the value

getType

public java.lang.String getType()

Return the type of the expression. It can be one of defined in ExpressionType. For the compatibility issue, in default, it is ExpressionType.JAVASCRIPT.

Returns:

the type

See Also:

ExpressionType

getUserDefinedType

public java.lang.String getUserDefinedType()

Return the type of the expression set by the user. This method ignore the compatibility issue.

Returns:

the type

See Also:

ExpressionType

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object