Examples with StateInputStream org.ballerinalang.siddhi.query.api.execution.query.input.stream.StateInputStream used on opensource projects

Example 1 with StateInputStream

use of org.ballerinalang.siddhi.query.api.execution.query.input.stream.StateInputStream in project ballerina by ballerina-lang.

the class InputStreamParser method parse.

/**
 * Parse an InputStream returning corresponding StreamRuntime.
 *
 * @param inputStream                input stream to be parsed
 * @param siddhiAppContext           associated siddhi siddhiAppContext
 * @param streamDefinitionMap        map containing user given stream definitions
 * @param tableDefinitionMap         table definition map
 * @param windowDefinitionMap        window definition map
 * @param aggregationDefinitionMap   aggregation definition map
 * @param tableMap                   Table Map
 * @param windowMap                  event window map
 * @param aggregationMap             aggregator map
 * @param executors                  List to hold VariableExpressionExecutors to update after query parsing
 * @param latencyTracker             latency tracker
 * @param outputExpectsExpiredEvents is output expects ExpiredEvents
 * @param queryName                  query name of input stream belongs to.
 * @return StreamRuntime
 */
public static StreamRuntime parse(InputStream inputStream, SiddhiAppContext siddhiAppContext, Map<String, AbstractDefinition> streamDefinitionMap, Map<String, AbstractDefinition> tableDefinitionMap, Map<String, AbstractDefinition> windowDefinitionMap, Map<String, AbstractDefinition> aggregationDefinitionMap, Map<String, Table> tableMap, Map<String, Window> windowMap, Map<String, AggregationRuntime> aggregationMap, List<VariableExpressionExecutor> executors, LatencyTracker latencyTracker, boolean outputExpectsExpiredEvents, String queryName) {
    if (inputStream instanceof BasicSingleInputStream || inputStream instanceof SingleInputStream) {
        SingleInputStream singleInputStream = (SingleInputStream) inputStream;
        Window window = windowMap.get(singleInputStream.getStreamId());
        // If stream is from window, allow batch
        boolean batchProcessingAllowed = window != null;
        // processing
        ProcessStreamReceiver processStreamReceiver = new ProcessStreamReceiver(singleInputStream.getStreamId(), latencyTracker, queryName, siddhiAppContext);
        processStreamReceiver.setBatchProcessingAllowed(batchProcessingAllowed);
        return SingleInputStreamParser.parseInputStream((SingleInputStream) inputStream, siddhiAppContext, executors, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, new MetaStreamEvent(), processStreamReceiver, true, outputExpectsExpiredEvents, queryName);
    } else if (inputStream instanceof JoinInputStream) {
        return JoinInputStreamParser.parseInputStream(((JoinInputStream) inputStream), siddhiAppContext, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, windowMap, aggregationMap, executors, latencyTracker, outputExpectsExpiredEvents, queryName);
    } else if (inputStream instanceof StateInputStream) {
        MetaStateEvent metaStateEvent = new MetaStateEvent(inputStream.getAllStreamIds().size());
        return StateInputStreamParser.parseInputStream(((StateInputStream) inputStream), siddhiAppContext, metaStateEvent, streamDefinitionMap, tableDefinitionMap, windowDefinitionMap, aggregationDefinitionMap, tableMap, executors, latencyTracker, queryName);
    } else {
        throw new OperationNotSupportedException();
    }
}

Example 2 with StateInputStream

use of org.ballerinalang.siddhi.query.api.execution.query.input.stream.StateInputStream in project ballerina by ballerina-lang.

the class SiddhiQLBaseVisitorImpl method visitPattern_stream.

/**
 * {@inheritDoc}
 * <p>The default implementation returns the result of calling
 * {@link #visitChildren} on {@code ctx}.</p>
 *
 * @param ctx
 */
@Override
public Object visitPattern_stream(@NotNull SiddhiQLParser.Pattern_streamContext ctx) {
    // pattern_stream
    // : every_pattern_source_chain
    // | every_absent_pattern_source_chain
    // ;
    StateElement stateElement;
    if (ctx.every_pattern_source_chain() != null) {
        stateElement = ((StateElement) visit(ctx.every_pattern_source_chain()));
    } else {
        stateElement = ((StateElement) visit(ctx.absent_pattern_source_chain()));
    }
    StateInputStream stateInputStream = new StateInputStream(StateInputStream.Type.PATTERN, stateElement);
    populateQueryContext(stateInputStream, ctx);
    return stateInputStream;
}

Example 3 with StateInputStream

use of org.ballerinalang.siddhi.query.api.execution.query.input.stream.StateInputStream in project ballerina by ballerina-lang.

the class SiddhiQLBaseVisitorImpl method visitEvery_absent_sequence_source_chain.

@Override
public Object visitEvery_absent_sequence_source_chain(SiddhiQLParser.Every_absent_sequence_source_chainContext ctx) {
    // every_absent_sequence_source_chain
    // : EVERY? absent_sequence_source_chain  within_time? ',' sequence_source_chain
    // | EVERY? sequence_source  within_time? ',' absent_sequence_source_chain
    // ;
    StateElement stateElement1;
    StateElement stateElement2;
    if (ctx.EVERY() != null) {
        stateElement1 = new EveryStateElement((StateElement) visit(ctx.getChild(1)));
    } else {
        stateElement1 = (StateElement) visit(ctx.getChild(0));
    }
    if (ctx.within_time() != null) {
        stateElement1.setWithin((TimeConstant) visit(ctx.within_time()));
    }
    stateElement2 = (StateElement) visit(ctx.getChild(ctx.getChildCount() - 1));
    populateQueryContext(stateElement1, ctx);
    populateQueryContext(stateElement2, ctx);
    NextStateElement nextStateElement = new NextStateElement(stateElement1, stateElement2);
    populateQueryContext(nextStateElement, ctx);
    StateInputStream stateInputStream = new StateInputStream(StateInputStream.Type.SEQUENCE, nextStateElement);
    populateQueryContext(stateInputStream, ctx);
    return stateInputStream;
}

Example 4 with StateInputStream

use of org.ballerinalang.siddhi.query.api.execution.query.input.stream.StateInputStream in project ballerina by ballerina-lang.

the class PartitionRuntime method addPartitionReceiver.

public void addPartitionReceiver(QueryRuntime queryRuntime, List<VariableExpressionExecutor> executors, MetaStateEvent metaEvent) {
    Query query = queryRuntime.getQuery();
    List<List<PartitionExecutor>> partitionExecutors = new StreamPartitioner(query.getInputStream(), partition, metaEvent, executors, siddhiAppContext, null).getPartitionExecutorLists();
    if (queryRuntime.getStreamRuntime() instanceof SingleStreamRuntime) {
        SingleInputStream singleInputStream = (SingleInputStream) query.getInputStream();
        addPartitionReceiver(singleInputStream.getStreamId(), singleInputStream.isInnerStream(), metaEvent.getMetaStreamEvent(0), partitionExecutors.get(0));
    } else if (queryRuntime.getStreamRuntime() instanceof JoinStreamRuntime) {
        SingleInputStream leftSingleInputStream = (SingleInputStream) ((JoinInputStream) query.getInputStream()).getLeftInputStream();
        addPartitionReceiver(leftSingleInputStream.getStreamId(), leftSingleInputStream.isInnerStream(), metaEvent.getMetaStreamEvent(0), partitionExecutors.get(0));
        SingleInputStream rightSingleInputStream = (SingleInputStream) ((JoinInputStream) query.getInputStream()).getRightInputStream();
        addPartitionReceiver(rightSingleInputStream.getStreamId(), rightSingleInputStream.isInnerStream(), metaEvent.getMetaStreamEvent(1), partitionExecutors.get(1));
    } else if (queryRuntime.getStreamRuntime() instanceof StateStreamRuntime) {
        StateElement stateElement = ((StateInputStream) query.getInputStream()).getStateElement();
        addPartitionReceiverForStateElement(stateElement, metaEvent, partitionExecutors, 0);
    }
}

Example 5 with StateInputStream

use of org.ballerinalang.siddhi.query.api.execution.query.input.stream.StateInputStream in project ballerina by ballerina-lang.

the class SiddhiQLBaseVisitorImpl method visitEvery_sequence_source_chain.

@Override
public Object visitEvery_sequence_source_chain(SiddhiQLParser.Every_sequence_source_chainContext ctx) {
    // every_sequence_source_chain
    // : EVERY? sequence_source  within_time?  ',' sequence_source_chain
    // ;
    StateElement stateElement1;
    if (ctx.EVERY() != null) {
        stateElement1 = new EveryStateElement((StateElement) visit(ctx.sequence_source()));
    } else {
        stateElement1 = (StateElement) visit(ctx.sequence_source());
    }
    if (ctx.within_time() != null) {
        stateElement1.setWithin((TimeConstant) visit(ctx.within_time()));
    }
    populateQueryContext(stateElement1, ctx);
    NextStateElement nextStateElement = new NextStateElement(stateElement1, ((StateElement) visit(ctx.sequence_source_chain())));
    populateQueryContext(nextStateElement, ctx);
    StateInputStream stateInputStream = new StateInputStream(StateInputStream.Type.SEQUENCE, nextStateElement);
    populateQueryContext(stateInputStream, ctx);
    return stateInputStream;
}