Package com.espertech.esper.epl.script

Examples of com.espertech.esper.epl.script.ExprNodeScript

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            exprNode = new ExprIdentNodeImpl(propertyName);

            Pair<String, String> mappedPropertyPair = ASTFilterSpecHelper.getMappedPropertyPair(node);
            if (mappedPropertyPair != null) {
                List<ExprNode> params = Collections.<ExprNode>singletonList(new ExprConstantNodeImpl(mappedPropertyPair.getSecond()));
                ExprNodeScript scriptNode = ExprDeclaredHelper.getExistsScript(getDefaultDialect(), mappedPropertyPair.getFirst(), params, scriptExpressions, exprDeclaredService);
                if (scriptNode != null) {
                    exprNode = scriptNode;
                }
            }
        }
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            astExprNodeMap.put(node, declaredNode);
            return;
        }

        // try scripting expression
        ExprNodeScript scriptNode = ExprDeclaredHelper.getExistsScript(getDefaultDialect(), expressionName, expressionChain.get(0).getParameters(), scriptExpressions, exprDeclaredService);
        if (scriptNode != null) {
            astExprNodeMap.put(node, scriptNode);
            return;
        }
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        if (declaredNode != null) {
            dotNode.addChildNode(declaredNode);
            chained.remove(0);
        }
        else {
            ExprNodeScript scriptNode = ExprDeclaredHelper.getExistsScript(getDefaultDialect(), name, chained.get(0).getParameters(), scriptExpressions, exprDeclaredService);
            if (scriptNode != null) {
                dotNode.addChildNode(scriptNode);
                chained.remove(0);
            }
        }
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                String name = chain.get(0).getName();
                ExprDeclaredNodeImpl declared = ExprDeclaredHelper.getExistsDeclaredExpr(name, chain.get(0).getParameters(), mapContext.getExpressionDeclarations().values(), mapContext.getExprDeclaredService());
                if (declared != null) {
                    return declared;
                }
                ExprNodeScript script = ExprDeclaredHelper.getExistsScript(mapContext.getConfiguration().getEngineDefaults().getScripts().getDefaultDialect(),
                        name, chain.get(0).getParameters(), mapContext.getScripts().values(), mapContext.getExprDeclaredService());
                if (script != null) {
                    return script;
                }
            }
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            ExprLambdaGoesNode lambdaNode = (ExprLambdaGoesNode) expr;
            LambdaExpression lambdaExpr = new LambdaExpression(new ArrayList<String>(lambdaNode.getGoesToNames()));
            return lambdaExpr;
        }
        else if (expr instanceof ExprNodeScript) {
            ExprNodeScript scriptNode = (ExprNodeScript) expr;
            DotExpression dotExpr = new DotExpression();
            dotExpr.add(scriptNode.getScript().getName(), unmapExpressionDeep(scriptNode.getParameters(), unmapContext));
            return dotExpr;
        }
        throw new IllegalArgumentException("Could not map expression node of type " + expr.getClass().getSimpleName());
    }
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            exprNode = new ExprIdentNodeImpl(propertyName);

            Pair<String, String> mappedPropertyPair = ASTFilterSpecHelper.getMappedPropertyPair(node);
            if (mappedPropertyPair != null) {
                List<ExprNode> params = Collections.<ExprNode>singletonList(new ExprConstantNodeImpl(mappedPropertyPair.getSecond()));
                ExprNodeScript scriptNode = ExprDeclaredHelper.getExistsScript(getDefaultDialect(), mappedPropertyPair.getFirst(), params, scriptExpressions, exprDeclaredService);
                if (scriptNode != null) {
                    exprNode = scriptNode;
                }
            }
        }
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            astExprNodeMap.put(node, declaredNode);
            return;
        }

        // try scripting expression
        ExprNodeScript scriptNode = ExprDeclaredHelper.getExistsScript(getDefaultDialect(), expressionName, expressionChain.get(0).getParameters(), scriptExpressions, exprDeclaredService);
        if (scriptNode != null) {
            astExprNodeMap.put(node, scriptNode);
            return;
        }
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        if (declaredNode != null) {
            dotNode.addChildNode(declaredNode);
            chained.remove(0);
        }
        else {
            ExprNodeScript scriptNode = ExprDeclaredHelper.getExistsScript(getDefaultDialect(), name, chained.get(0).getParameters(), scriptExpressions, exprDeclaredService);
            if (scriptNode != null) {
                dotNode.addChildNode(scriptNode);
                chained.remove(0);
            }
        }
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                String name = chain.get(0).getName();
                ExprDeclaredNodeImpl declared = ExprDeclaredHelper.getExistsDeclaredExpr(name, chain.get(0).getParameters(), mapContext.getExpressionDeclarations().values(), mapContext.getExprDeclaredService());
                if (declared != null) {
                    return declared;
                }
                ExprNodeScript script = ExprDeclaredHelper.getExistsScript(mapContext.getConfiguration().getEngineDefaults().getScripts().getDefaultDialect(),
                        name, chain.get(0).getParameters(), mapContext.getScripts().values(), mapContext.getExprDeclaredService());
                if (script != null) {
                    return script;
                }
            }
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            ExprLambdaGoesNode lambdaNode = (ExprLambdaGoesNode) expr;
            LambdaExpression lambdaExpr = new LambdaExpression(new ArrayList<String>(lambdaNode.getGoesToNames()));
            return lambdaExpr;
        }
        else if (expr instanceof ExprNodeScript) {
            ExprNodeScript scriptNode = (ExprNodeScript) expr;
            DotExpression dotExpr = new DotExpression();
            dotExpr.add(scriptNode.getScript().getName(), unmapExpressionDeep(scriptNode.getParameters(), unmapContext));
            return dotExpr;
        }
        throw new IllegalArgumentException("Could not map expression node of type " + expr.getClass().getSimpleName());
    }
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Related Classes of com.espertech.esper.epl.script.ExprNodeScript

  • com.espertech.esper.epl.declexpr.ExprDeclaredHelper
  • com.espertech.esper.epl.parse.ASTLibFunctionHelper
  • com.espertech.esper.epl.parse.EPLTreeWalker
  • com.espertech.esper.epl.parse.EPLTreeWalkerListener
  • com.espertech.esper.epl.script.jsr223.ExpressionScriptCompiledJSR223
  • com.espertech.esper.epl.script.mvel.ExpressionScriptCompiledMVEL
  • com.espertech.esper.epl.spec.ExpressionScriptCompiled
  • com.espertech.esper.epl.spec.StatementSpecMapper
  • javax.script.CompiledScript
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