com.espertech.esper.common.internal.epl.expression.codegen

Class CodegenLegoBooleanExpression

java.lang.Object

com.espertech.esper.common.internal.epl.expression.codegen.CodegenLegoBooleanExpression

public class CodegenLegoBooleanExpression
extends Object

Constructor Summary

Constructors

Constructor and Description
CodegenLegoBooleanExpression()

Method Summary

Modifier and Type	Method and Description
static void	codegenBreakIfNotNullAndNotPass(CodegenBlock block, Class evaluationType, CodegenExpression expression) Generates code like this (premade expr assumed):
static void	codegenContinueIfNotNullAndNotPass(CodegenBlock block, Class evaluationType, CodegenExpression expression) Generates code like this (premade expr assumed):
static void	codegenContinueIfNullOrNotPass(CodegenBlock block, Class evaluationType, CodegenExpression expression) Generates code like this (premade expr assumed):
static void	codegenReturnBoolIfNullOrBool(CodegenBlock block, Class evaluationType, CodegenExpression expression, boolean earlyExitIfNull, Boolean resultEarlyExit, boolean checkFor, boolean resultIfCheckPasses) Generates code like this (premade expr assumed):
static void	codegenReturnValueIfNotNullAndNotPass(CodegenBlock block, Class evaluationType, CodegenExpression expression, CodegenExpression value) Generates code like this (premade expr assumed):
static void	codegenReturnValueIfNullOrNotPass(CodegenBlock block, Class evaluationType, CodegenExpression expression, CodegenExpression value) Generates code like this (premade expr assumed):

Methods inherited from class java.lang.Object

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

Constructor Detail

CodegenLegoBooleanExpression

public CodegenLegoBooleanExpression()

Method Detail

codegenReturnBoolIfNullOrBool

public static void codegenReturnBoolIfNullOrBool(CodegenBlock block,
                                                 Class evaluationType,
                                                 CodegenExpression expression,
                                                 boolean earlyExitIfNull,
                                                 Boolean resultEarlyExit,
                                                 boolean checkFor,
                                                 boolean resultIfCheckPasses)

Generates code like this (premade expr assumed):

 boolean/Boolean result = expression.evaluate(eps, isNewData, context);
 if (result == null (optional early exit if null)  ||   (!? (Boolean) result)) {
 return false/true;
 }
 

Parameters:

block - block

earlyExitIfNull - indicator

resultEarlyExit - indicator

checkFor - indicator

resultIfCheckPasses - indicator

evaluationType - type

expression - expr

codegenReturnValueIfNotNullAndNotPass

public static void codegenReturnValueIfNotNullAndNotPass(CodegenBlock block,
                                                         Class evaluationType,
                                                         CodegenExpression expression,
                                                         CodegenExpression value)

Generates code like this (premade expr assumed):

 boolean/Boolean result = expression.evaluate(eps, isNewData, context);
 if (result != null && (!(Boolean) result)) {
 return value;
 }
 

Parameters:

block - block

evaluationType - eval type

expression - expression

value - value

codegenReturnValueIfNullOrNotPass

public static void codegenReturnValueIfNullOrNotPass(CodegenBlock block,
                                                     Class evaluationType,
                                                     CodegenExpression expression,
                                                     CodegenExpression value)

Generates code like this (premade expr assumed):

 boolean/Boolean result = expression.evaluate(eps, isNewData, context);
 if (result == null || (!(Boolean) result)) {
 return value;
 }
 

Parameters:

block - block

evaluationType - eval type

expression - expression

value - value

codegenBreakIfNotNullAndNotPass

public static void codegenBreakIfNotNullAndNotPass(CodegenBlock block,
                                                   Class evaluationType,
                                                   CodegenExpression expression)

Generates code like this (premade expr assumed):

 boolean/Boolean result = expression.evaluate(eps, isNewData, context);
 if (result == null || (!(Boolean) result)) {
 break;
 }
 

Parameters:

block - block

evaluationType - eval type

expression - expression

codegenContinueIfNotNullAndNotPass

public static void codegenContinueIfNotNullAndNotPass(CodegenBlock block,
                                                      Class evaluationType,
                                                      CodegenExpression expression)

Generates code like this (premade expr assumed):

 if (pass != null && (!(Boolean) pass)) {
 continue;
 }
 

Parameters:

block - block

evaluationType - eval type

expression - expression

codegenContinueIfNullOrNotPass

public static void codegenContinueIfNullOrNotPass(CodegenBlock block,
                                                  Class evaluationType,
                                                  CodegenExpression expression)

Generates code like this (premade expr assumed):

 if (pass == null || (!(Boolean) pass)) {
 continue;
 }
 

Parameters:

block - block

evaluationType - eval type

expression - expression