use of org.ballerinalang.siddhi.core.executor.ExpressionExecutor in project ballerina by ballerina-lang.
the class FunctionExecutor method cloneExecutor.
@Override
public ExpressionExecutor cloneExecutor(String key) {
try {
FunctionExecutor functionExecutor = this.getClass().newInstance();
ExpressionExecutor[] innerExpressionExecutors = new ExpressionExecutor[attributeSize];
for (int i = 0; i < attributeSize; i++) {
innerExpressionExecutors[i] = attributeExpressionExecutors[i].cloneExecutor(key);
}
functionExecutor.elementId = elementId + "-" + key;
functionExecutor.functionId = functionId;
functionExecutor.initExecutor(innerExpressionExecutors, siddhiAppContext, queryName, configReader);
return functionExecutor;
} catch (Exception e) {
throw new SiddhiAppRuntimeException("Exception in cloning " + this.getClass().getCanonicalName(), e);
}
}
use of org.ballerinalang.siddhi.core.executor.ExpressionExecutor in project ballerina by ballerina-lang.
the class EventTestCase method testConditionExpressionExecutorValidation.
@Test(expectedExceptions = OperationNotSupportedException.class)
public void testConditionExpressionExecutorValidation() {
// StreamDefinition streamDefinition = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute
// .Type.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.INT);
VariableExpressionExecutor volumeVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("volume", Attribute.Type.INT), 0, 0);
volumeVariableExpressionExecutor.setPosition(new int[] { 0, SiddhiConstants.UNKNOWN_STATE, SiddhiConstants.OUTPUT_DATA_INDEX, 2 });
ConstantExpressionExecutor constantExpressionExecutor = new ConstantExpressionExecutor(10f, Attribute.Type.FLOAT);
ExpressionExecutor compareGreaterThanExecutor = new GreaterThanCompareConditionExpressionExecutorIntInt(new ConstantExpressionExecutor(10, Attribute.Type.INT), volumeVariableExpressionExecutor);
ExpressionExecutor andExecutor = new AndConditionExpressionExecutor(constantExpressionExecutor, compareGreaterThanExecutor);
}
use of org.ballerinalang.siddhi.core.executor.ExpressionExecutor in project ballerina by ballerina-lang.
the class EventTestCase method testExpressionExecutors.
@Test
public void testExpressionExecutors() {
// StreamDefinition streamDefinition = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute
// .Type.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.INT);
VariableExpressionExecutor priceVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("price", Attribute.Type.FLOAT), 0, 0);
priceVariableExpressionExecutor.setPosition(new int[] { 0, SiddhiConstants.UNKNOWN_STATE, SiddhiConstants.OUTPUT_DATA_INDEX, 1 });
ExpressionExecutor addExecutor = new AddExpressionExecutorFloat(new ConstantExpressionExecutor(10f, Attribute.Type.FLOAT), priceVariableExpressionExecutor);
StreamEvent event = new StreamEvent(0, 0, 3);
event.setOutputData(new Object[] { "WSO2", 10f, 5 });
AssertJUnit.assertEquals("Result of adding should be 20.0", 20f, addExecutor.execute(event));
}
use of org.ballerinalang.siddhi.core.executor.ExpressionExecutor in project ballerina by ballerina-lang.
the class EventTestCase method testConditionExpressionExecutors.
@Test
public void testConditionExpressionExecutors() {
// StreamDefinition streamDefinition = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute
// .Type.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.INT);
VariableExpressionExecutor priceVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("price", Attribute.Type.FLOAT), 0, 0);
priceVariableExpressionExecutor.setPosition(new int[] { 0, SiddhiConstants.UNKNOWN_STATE, SiddhiConstants.OUTPUT_DATA_INDEX, 1 });
VariableExpressionExecutor volumeVariableExpressionExecutor = new VariableExpressionExecutor(new Attribute("volume", Attribute.Type.INT), 0, 0);
volumeVariableExpressionExecutor.setPosition(new int[] { 0, SiddhiConstants.UNKNOWN_STATE, SiddhiConstants.OUTPUT_DATA_INDEX, 2 });
ExpressionExecutor compareLessThanExecutor = new LessThanCompareConditionExpressionExecutorFloatFloat(new ConstantExpressionExecutor(10f, Attribute.Type.FLOAT), priceVariableExpressionExecutor);
ExpressionExecutor compareGreaterThanExecutor = new GreaterThanCompareConditionExpressionExecutorIntInt(new ConstantExpressionExecutor(10, Attribute.Type.INT), volumeVariableExpressionExecutor);
ExpressionExecutor andExecutor = new AndConditionExpressionExecutor(compareLessThanExecutor, compareGreaterThanExecutor);
int count = 0;
for (int i = 0; i < 3; i++) {
StreamEvent event = new StreamEvent(0, 0, 3);
event.setOutputData(new Object[] { "WSO2", i * 11f, 5 });
if ((Boolean) andExecutor.execute(event)) {
count++;
}
}
AssertJUnit.assertEquals("Two events should pass through executor", 2, count);
}
use of org.ballerinalang.siddhi.core.executor.ExpressionExecutor in project ballerina by ballerina-lang.
the class IncrementalAggregationProcessor method process.
@Override
public void process(ComplexEventChunk complexEventChunk) {
ComplexEventChunk<StreamEvent> streamEventChunk = new ComplexEventChunk<>(complexEventChunk.isBatch());
try {
int noOfEvents = 0;
if (latencyTrackerInsert != null && siddhiAppContext.isStatsEnabled()) {
latencyTrackerInsert.markIn();
}
while (complexEventChunk.hasNext()) {
ComplexEvent complexEvent = complexEventChunk.next();
StreamEvent borrowedEvent = streamEventPool.borrowEvent();
for (int i = 0; i < incomingExpressionExecutors.size(); i++) {
ExpressionExecutor expressionExecutor = incomingExpressionExecutors.get(i);
Object outputData = expressionExecutor.execute(complexEvent);
if (expressionExecutor instanceof IncrementalUnixTimeFunctionExecutor && outputData == null) {
throw new SiddhiAppRuntimeException("Cannot retrieve the timestamp of event");
}
borrowedEvent.setOutputData(outputData, i);
}
streamEventChunk.add(borrowedEvent);
noOfEvents++;
}
incrementalExecutor.execute(streamEventChunk);
if (throughputTrackerInsert != null && siddhiAppContext.isStatsEnabled()) {
throughputTrackerInsert.eventsIn(noOfEvents);
}
} finally {
if (latencyTrackerInsert != null && siddhiAppContext.isStatsEnabled()) {
latencyTrackerInsert.markOut();
}
}
}
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