Examples with VariableExpressionExecutor org.wso2.siddhi.core.executor.VariableExpressionExecutor used on opensource projects

Example 41 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor in project siddhi by wso2.

the class SortWindowProcessor method init.

@Override
protected void init(ExpressionExecutor[] attributeExpressionExecutors, ConfigReader configReader, boolean outputExpectsExpiredEvents, SiddhiAppContext siddhiAppContext) {
    if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.INT) {
        lengthToKeep = Integer.parseInt(String.valueOf(((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue()));
    } else {
        throw new UnsupportedOperationException("The first parameter should be an integer");
    }
    parameterInfo = new ArrayList<Object[]>();
    eventComparator = new EventComparator();
    for (int i = 1, parametersLength = attributeExpressionExecutors.length; i < parametersLength; i++) {
        if (!(attributeExpressionExecutors[i] instanceof VariableExpressionExecutor)) {
            throw new UnsupportedOperationException("Required a variable, but found a string parameter");
        } else {
            ExpressionExecutor variableExpressionExecutor = attributeExpressionExecutors[i];
            int order;
            String nextParameter;
            if (i + 1 < parametersLength && attributeExpressionExecutors[i + 1].getReturnType() == Attribute.Type.STRING) {
                nextParameter = (String) ((ConstantExpressionExecutor) attributeExpressionExecutors[i + 1]).getValue();
                if (nextParameter.equalsIgnoreCase(DESC)) {
                    order = -1;
                    i++;
                } else if (nextParameter.equalsIgnoreCase(ASC)) {
                    order = 1;
                    i++;
                } else {
                    throw new UnsupportedOperationException("Parameter string literals should only be \"asc\" or " + "\"desc\"");
                }
            } else {
                // assigning the default order: "asc"
                order = 1;
            }
            parameterInfo.add(new Object[] { variableExpressionExecutor, order });
        }
    }
}

Example 42 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor in project siddhi by wso2.

the class InMemoryTable method compileUpdateSet.

@Override
public CompiledUpdateSet compileUpdateSet(UpdateSet updateSet, MatchingMetaInfoHolder matchingMetaInfoHolder, SiddhiAppContext siddhiAppContext, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, Table> tableMap, String queryName) {
    Map<Integer, ExpressionExecutor> expressionExecutorMap = new HashMap<>();
    for (UpdateSet.SetAttribute setAttribute : updateSet.getSetAttributeList()) {
        ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(setAttribute.getAssignmentExpression(), matchingMetaInfoHolder.getMetaStateEvent(), matchingMetaInfoHolder.getCurrentState(), tableMap, variableExpressionExecutors, siddhiAppContext, false, 0, queryName);
        int attributePosition = tableDefinition.getAttributePosition(setAttribute.getTableVariable().getAttributeName());
        expressionExecutorMap.put(attributePosition, expressionExecutor);
    }
    return new InMemoryCompiledUpdateSet(expressionExecutorMap);
}

Example 43 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor in project siddhi by wso2.

the class AbstractRecordTable method compileUpdateSet.

public CompiledUpdateSet compileUpdateSet(UpdateSet updateSet, MatchingMetaInfoHolder matchingMetaInfoHolder, SiddhiAppContext siddhiAppContext, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, Table> tableMap, String queryName) {
    RecordTableCompiledUpdateSet recordTableCompiledUpdateSet = new RecordTableCompiledUpdateSet();
    Map<String, ExpressionExecutor> parentExecutorMap = new HashMap<>();
    for (UpdateSet.SetAttribute setAttribute : updateSet.getSetAttributeList()) {
        ExpressionBuilder expressionBuilder = new ExpressionBuilder(setAttribute.getAssignmentExpression(), matchingMetaInfoHolder, siddhiAppContext, variableExpressionExecutors, tableMap, queryName);
        CompiledExpression compiledExpression = compileSetAttribute(expressionBuilder);
        recordTableCompiledUpdateSet.put(setAttribute.getTableVariable().getAttributeName(), compiledExpression);
        Map<String, ExpressionExecutor> expressionExecutorMap = expressionBuilder.getVariableExpressionExecutorMap();
        parentExecutorMap.putAll(expressionExecutorMap);
    }
    recordTableCompiledUpdateSet.setExpressionExecutorMap(parentExecutorMap);
    return recordTableCompiledUpdateSet;
}

Example 44 with VariableExpressionExecutor

use of org.wso2.siddhi.core.executor.VariableExpressionExecutor in project siddhi by wso2.

the class AbstractRecordTable method compileCondition.

@Override
public CompiledCondition compileCondition(Expression condition, MatchingMetaInfoHolder matchingMetaInfoHolder, SiddhiAppContext siddhiAppContext, List<VariableExpressionExecutor> variableExpressionExecutors, Map<String, Table> tableMap, String queryName) {
    ExpressionBuilder expressionBuilder = new ExpressionBuilder(condition, matchingMetaInfoHolder, siddhiAppContext, variableExpressionExecutors, tableMap, queryName);
    CompiledCondition compileCondition = compileCondition(expressionBuilder);
    Map<String, ExpressionExecutor> expressionExecutorMap = expressionBuilder.getVariableExpressionExecutorMap();
    return new RecordStoreCompiledCondition(expressionExecutorMap, compileCondition);
}