com.espertech.esper.codegen.model.blocks

Class CodegenLegoBooleanExpression

java.lang.Object

com.espertech.esper.codegen.model.blocks.CodegenLegoBooleanExpression

public class CodegenLegoBooleanExpression
extends Object

Constructor Summary

Constructors

Constructor and Description
CodegenLegoBooleanExpression()

Method Summary

Modifier and Type	Method and Description
static void	codegenBreakIfNullOrNotPass(CodegenBlock block, ExprForge forge, CodegenContext context) Generates code like this (premade expr assumed): boolean/Boolean result = expression.evaluate(eps, isNewData, context); if (result == null || (!(Boolean) result)) { break; }
static void	codegenContinueIfNullOrNotPass(CodegenBlock block, ExprForge forge, CodegenContext context) Generates code like this (premade expr assumed): if (pass == null || (!(Boolean) pass)) { continue; }
static void	codegenReturnBoolIfNullOrBool(CodegenBlock block, ExprForge forge, CodegenContext context, 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; }
static void	codegenReturnValueIfNullOrNotPass(CodegenBlock block, ExprForge forge, CodegenContext context, CodegenExpression value) Generates code like this (premade expr assumed): boolean/Boolean result = expression.evaluate(eps, isNewData, context); if (result == null || (!(Boolean) result)) { return value; }

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,
                                                 ExprForge forge,
                                                 CodegenContext context,
                                                 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

forge - forge

context - context

checkFor - indicator

earlyExitIfNull - indicator

resultEarlyExit - indicator

resultIfCheckPasses - indicator

codegenReturnValueIfNullOrNotPass

public static void codegenReturnValueIfNullOrNotPass(CodegenBlock block,
                                                     ExprForge forge,
                                                     CodegenContext context,
                                                     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

forge - forge

context - context

value - value

codegenBreakIfNullOrNotPass

public static void codegenBreakIfNullOrNotPass(CodegenBlock block,
                                               ExprForge forge,
                                               CodegenContext context)

Generates code like this (premade expr assumed): boolean/Boolean result = expression.evaluate(eps, isNewData, context); if (result == null || (!(Boolean) result)) { break; }

Parameters:

block - block

forge - forge

context - context

codegenContinueIfNullOrNotPass

public static void codegenContinueIfNullOrNotPass(CodegenBlock block,
                                                  ExprForge forge,
                                                  CodegenContext context)

Generates code like this (premade expr assumed): if (pass == null || (!(Boolean) pass)) { continue; }

Parameters:

block - block

forge - forge

context - context