/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.filter;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.metrics.instrumentation.InstrumentationHelper;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.locks.ReadWriteLock;
/**
* Index for filter parameter constants for the not range operators (range open/closed/half).
* The implementation is based on the SortedMap implementation of TreeMap and stores only expression
* parameter values of type DoubleRange.
*/
public final class FilterParamIndexDoubleRangeInverted extends FilterParamIndexDoubleRangeBase {
public FilterParamIndexDoubleRangeInverted(FilterSpecLookupable lookupable, ReadWriteLock readWriteLock, FilterOperator filterOperator) {
super(lookupable, readWriteLock, filterOperator);
if (!(filterOperator.isInvertedRangeOperator())) {
throw new IllegalArgumentException("Invalid filter operator " + filterOperator);
}
}
public final void matchEvent(EventBean theEvent, Collection<FilterHandle> matches) {
Object objAttributeValue = lookupable.getGetter().get(theEvent);
if (InstrumentationHelper.ENABLED) {
InstrumentationHelper.get().qFilterReverseIndex(this, objAttributeValue);
}
if (objAttributeValue == null) {
if (InstrumentationHelper.ENABLED) {
InstrumentationHelper.get().aFilterReverseIndex(false);
}
return;
}
double attributeValue = ((Number) objAttributeValue).doubleValue();
if (this.getFilterOperator() == FilterOperator.NOT_RANGE_CLOSED) { // include all endpoints
for (Map.Entry<DoubleRange, EventEvaluator> entry : ranges.entrySet()) {
if ((attributeValue < entry.getKey().getMin()) ||
(attributeValue > entry.getKey().getMax())) {
entry.getValue().matchEvent(theEvent, matches);
}
}
} else if (this.getFilterOperator() == FilterOperator.NOT_RANGE_OPEN) { // include neither endpoint
for (Map.Entry<DoubleRange, EventEvaluator> entry : ranges.entrySet()) {
if ((attributeValue <= entry.getKey().getMin()) ||
(attributeValue >= entry.getKey().getMax())) {
entry.getValue().matchEvent(theEvent, matches);
}
}
} else if (this.getFilterOperator() == FilterOperator.NOT_RANGE_HALF_CLOSED) { // include high endpoint not low endpoint
for (Map.Entry<DoubleRange, EventEvaluator> entry : ranges.entrySet()) {
if ((attributeValue <= entry.getKey().getMin()) ||
(attributeValue > entry.getKey().getMax())) {
entry.getValue().matchEvent(theEvent, matches);
}
}
} else if (this.getFilterOperator() == FilterOperator.NOT_RANGE_HALF_OPEN) { // include low endpoint not high endpoint
for (Map.Entry<DoubleRange, EventEvaluator> entry : ranges.entrySet()) {
if ((attributeValue < entry.getKey().getMin()) ||
(attributeValue >= entry.getKey().getMax())) {
entry.getValue().matchEvent(theEvent, matches);
}
}
} else {
throw new IllegalStateException("Invalid filter operator " + this.getFilterOperator());
}
if (InstrumentationHelper.ENABLED) {
InstrumentationHelper.get().aFilterReverseIndex(null);
}
}
}