org.eclipse.viatra.transformation.evm.qrm

Class EVMBasedQueryResultMultimap<Match extends IPatternMatch,KeyType,ValueType>

java.lang.Object

org.eclipse.viatra.query.runtime.base.api.QueryResultAssociativeStore<KeyType,ValueType>

org.eclipse.viatra.query.runtime.base.api.QueryResultMultimap<KeyType,ValueType>

org.eclipse.viatra.transformation.evm.qrm.EVMBasedQueryResultMultimap<Match,KeyType,ValueType>

All Implemented Interfaces:

com.google.common.collect.Multimap<KeyType,ValueType>

public abstract class EVMBasedQueryResultMultimap<Match extends IPatternMatch,KeyType,ValueType>
extends QueryResultMultimap<KeyType,ValueType>

This QueryResultMultimap implementation uses the EVM to provide a query-based multimap. The contents of the multimap will be updated when the activations are fired in the EVM.

Field Summary

Fields inherited from class org.eclipse.viatra.query.runtime.base.api.QueryResultAssociativeStore

NOT_ALLOW_MODIFICATIONS

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EVMBasedQueryResultMultimap(ExecutionSchema schema) Creates a multimap on top of the given execution schema.
protected	EVMBasedQueryResultMultimap(ViatraQueryEngine engine) Creates a new multimap on the given engine.

Method Summary

Modifier and Type	Method and Description
<Matcher extends ViatraQueryMatcher<Match>> void	addMatcherToMultimapResults(IQuerySpecification<Matcher> querySpecification) Adds the given query into the results of the multimap.
protected abstract KeyType	getKeyFromMatch(Match match) Processes the given match and returns the key to be used in the multimap.
protected abstract ValueType	getValueFromMatch(Match match) Processes the given match and returns the value to be used in the mulitmap.

Methods inherited from class org.eclipse.viatra.query.runtime.base.api.QueryResultMultimap

asMap, clear, containsEntry, containsKey, containsValue, entries, get, getCache, getCacheEntries, internalCacheContainsEntry, internalCachePut, internalCacheRemove, internalCacheSize, isEmpty, keys, keySet, put, putAll, putAll, remove, removeAll, replaceValues, setCache, size, values

Methods inherited from class org.eclipse.viatra.query.runtime.base.api.QueryResultAssociativeStore

addCallbackOnQueryResultUpdate, checkModificationThroughQueryResultSetter, getListeners, getLogger, getSetter, internalClear, internalPut, internalRemove, modifyThroughQueryResultSetter, notifyListeners, removeCallbackOnQueryResultUpdate, setListeners, setLogger, setQueryResultSetter, setSetter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.google.common.collect.Multimap

equals, hashCode

Constructor Detail

EVMBasedQueryResultMultimap

protected EVMBasedQueryResultMultimap(ExecutionSchema schema)

Creates a multimap on top of the given execution schema.

Parameters:

schema -

EVMBasedQueryResultMultimap

protected EVMBasedQueryResultMultimap(ViatraQueryEngine engine)

Creates a new multimap on the given engine. It will use an execution schema that is scheduled with IQBase update callbacks.

Method Detail

addMatcherToMultimapResults

public <Matcher extends ViatraQueryMatcher<Match>> void addMatcherToMultimapResults(IQuerySpecification<Matcher> querySpecification)

Adds the given query into the results of the multimap.

Parameters:

querySpecification -

getKeyFromMatch

protected abstract KeyType getKeyFromMatch(Match match)

Processes the given match and returns the key to be used in the multimap.

Parameters:

match -

Returns:

the computed key

getValueFromMatch

protected abstract ValueType getValueFromMatch(Match match)

Processes the given match and returns the value to be used in the mulitmap.

Parameters:

match -

Returns:

the computed value