Package com.espertech.esper.common.internal.epl.expression.core

Class ExprNodeUtilityQuery

java.lang.Object

com.espertech.esper.common.internal.epl.expression.core.ExprNodeUtilityQuery

public class ExprNodeUtilityQuery
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final ExprNode[]	EMPTY_EXPR_ARRAY
static final ExprForge[]	EMPTY_FORGE_ARRAY

Constructor Summary

Constructors

Constructor	Description
ExprNodeUtilityQuery()

Method Summary

Modifier and Type	Method	Description
static void	acceptChain(ExprNodeVisitor visitor, List<Chainable> chainSpec)
static void	acceptChain(ExprNodeVisitorWithParent visitor, List<Chainable> chainSpec)
static void	acceptChain(ExprNodeVisitorWithParent visitor, List<Chainable> chainSpec, ExprNode parent)
static void	acceptParams(ExprNodeVisitor visitor, List<ExprNode> params)
static void	acceptParams(ExprNodeVisitorWithParent visitor, List<ExprNode> params)
static void	acceptParams(ExprNodeVisitorWithParent visitor, List<ExprNode> params, ExprNode parent)
static List<ExprNode>	collectChainParameters(List<Chainable> chainSpec)
static List<Pair<ExprNode,ExprNode>>	findExpression(ExprNode selectExpression, ExprNode searchExpression)
static ExprForge[]	forgesForProperties(EventType[] eventTypes, String[] propertyNames, int[] keyStreamNums)
static Map<ExprDeclaredNode,List<ExprDeclaredNode>>	getDeclaredExpressionCallHierarchy(ExprDeclaredNode[] declaredExpressions)
static ExprEvaluator[]	getEvaluatorsNoCompile(ExprForge[] forges)
static ExprEvaluator[]	getEvaluatorsNoCompile(ExprNode[] exprNodes)
static ExprEvaluator[]	getEvaluatorsNoCompile(List<ExprNode> childNodes)
static List<Pair<Integer,String>>	getExpressionProperties(ExprNode exprNode, boolean visitAggregateNodes)
static EPType[]	getExprResultTypes(ExprForge[] nodes)
static EPType[]	getExprResultTypes(ExprNode[] nodes)
static EPType[]	getExprResultTypes(List<ExprNode> expressions)
static ExprForge[]	getForges(ExprNode[] exprNodes)
static String[]	getIdentResolvedPropertyNames(ExprNode[] nodes)
static Set<Integer>	getIdentStreamNumbers(ExprNode child)
static String[]	getPropertiesPerExpressionExpectSingle(ExprNode[] exprNodes)
static Set<String>	getPropertyNamesIfAllProps(ExprNode[] expressions)
static boolean	hasStreamSelect(List<ExprNode> exprNodes)
static boolean	isAllConstants(List<ExprNode> parameters)
static boolean	isConstant(ExprNode exprNode)
static boolean	isExpressionsAllPropsOnly(ExprNode[] exprNodes)
static ExprNode[]	toArray(Collection<ExprNode> expressions)

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_EXPR_ARRAY

public static final ExprNode[] EMPTY_EXPR_ARRAY

EMPTY_FORGE_ARRAY

public static final ExprForge[] EMPTY_FORGE_ARRAY

Constructor Details

ExprNodeUtilityQuery

public ExprNodeUtilityQuery()

Method Details

forgesForProperties

public static ExprForge[] forgesForProperties(EventType[] eventTypes,
 String[] propertyNames,
 int[] keyStreamNums)

isConstant

public static boolean isConstant(ExprNode exprNode)

getPropertyNamesIfAllProps

public static Set<String> getPropertyNamesIfAllProps(ExprNode[] expressions)

findExpression

public static List<Pair<ExprNode,ExprNode>> findExpression(ExprNode selectExpression,
 ExprNode searchExpression)

getIdentResolvedPropertyNames

public static String[] getIdentResolvedPropertyNames(ExprNode[] nodes)

getExprResultTypes

public static EPType[] getExprResultTypes(ExprNode[] nodes)

getExprResultTypes

public static EPType[] getExprResultTypes(ExprForge[] nodes)

toArray

public static ExprNode[] toArray(Collection<ExprNode> expressions)

getEvaluatorsNoCompile

public static ExprEvaluator[] getEvaluatorsNoCompile(ExprNode[] exprNodes)

getForges

public static ExprForge[] getForges(ExprNode[] exprNodes)

getEvaluatorsNoCompile

public static ExprEvaluator[] getEvaluatorsNoCompile(ExprForge[] forges)

getEvaluatorsNoCompile

public static ExprEvaluator[] getEvaluatorsNoCompile(List<ExprNode> childNodes)

getExprResultTypes

public static EPType[] getExprResultTypes(List<ExprNode> expressions)

acceptParams

public static void acceptParams(ExprNodeVisitor visitor,
 List<ExprNode> params)

acceptParams

public static void acceptParams(ExprNodeVisitorWithParent visitor,
 List<ExprNode> params)

acceptParams

public static void acceptParams(ExprNodeVisitorWithParent visitor,
 List<ExprNode> params,
 ExprNode parent)

getPropertiesPerExpressionExpectSingle

public static String[] getPropertiesPerExpressionExpectSingle(ExprNode[] exprNodes)

isExpressionsAllPropsOnly

public static boolean isExpressionsAllPropsOnly(ExprNode[] exprNodes)

getIdentStreamNumbers

public static Set<Integer> getIdentStreamNumbers(ExprNode child)

getExpressionProperties

public static List<Pair<Integer,String>> getExpressionProperties(ExprNode exprNode,
 boolean visitAggregateNodes)

isAllConstants

public static boolean isAllConstants(List<ExprNode> parameters)

hasStreamSelect

public static boolean hasStreamSelect(List<ExprNode> exprNodes)

collectChainParameters

public static List<ExprNode> collectChainParameters(List<Chainable> chainSpec)

acceptChain

public static void acceptChain(ExprNodeVisitor visitor,
 List<Chainable> chainSpec)

acceptChain

public static void acceptChain(ExprNodeVisitorWithParent visitor,
 List<Chainable> chainSpec)

acceptChain

public static void acceptChain(ExprNodeVisitorWithParent visitor,
 List<Chainable> chainSpec,
 ExprNode parent)

getDeclaredExpressionCallHierarchy

public static Map<ExprDeclaredNode,List<ExprDeclaredNode>> getDeclaredExpressionCallHierarchy(ExprDeclaredNode[] declaredExpressions)