Package org.apache.pekko.cluster.ddata
Class ORMultiMap<A,B>
- java.lang.Object
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- org.apache.pekko.cluster.ddata.ORMultiMap<A,B>
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- All Implemented Interfaces:
java.io.Serializable,DeltaReplicatedData,RemovedNodePruning,ReplicatedData,ReplicatedDataSerialization
public final class ORMultiMap<A,B> extends java.lang.Object implements DeltaReplicatedData, ReplicatedDataSerialization, RemovedNodePruning
An immutable multi-map implementation. This class wraps anORMapwith anORSetfor the map's value.This class is immutable, i.e. "modifying" methods return a new instance.
Note that on concurrent adds and removals for the same key (on the same set), removals can be lost.
- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description static classORMultiMap.ORMultiMapTag$INTERNAL APIstatic classORMultiMap.ORMultiMapWithValueDeltasTag$INTERNAL API
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description static ORMultiMap<java.lang.Object,java.lang.Object>_empty()static ORMultiMap<java.lang.Object,java.lang.Object>_emptyWithValueDeltas()ORMultiMap<A,B>$colon$plus(scala.Tuple2<A,scala.collection.immutable.Set<B>> entry, SelfUniqueAddress node)Convenience for put.ORMultiMap<A,B>$minus(A key, Cluster node)Deprecated.Use `remove` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>$plus(scala.Tuple2<A,scala.collection.immutable.Set<B>> entry, Cluster node)Deprecated.Use `:+` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>addBinding(A key, B element, Cluster node)Deprecated.Use `addBinding` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>addBinding(Cluster node, A key, B element)Deprecated.Use `addBinding` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>addBinding(SelfUniqueAddress node, A key, B element)Add an element to a set associated with a key.ORMultiMap<A,B>addBindingBy(A key, B element, SelfUniqueAddress node)static ORMultiMap<java.lang.Object,java.lang.Object>apply()booleancontains(A key)static <A,B>
ORMultiMap<A,B>create()Java APIscala.Option<ORMap.DeltaOp>delta()The accumulated delta of mutator operations since previousDeltaReplicatedData.resetDelta().static <A,B>
ORMultiMap<A,B>empty()Provides an empty multimap.static <A,B>
ORMultiMap<A,B>emptyWithValueDeltas()scala.collection.immutable.Map<A,scala.collection.immutable.Set<B>>entries()Scala API: All entries of a multimap where keys are strings and values are sets.booleanequals(java.lang.Object o)scala.Option<scala.collection.immutable.Set<B>>get(A key)Get the set associated with the key if there is one.java.util.Map<A,java.util.Set<B>>getEntries()Java API: All entries of a multimap where keys are strings and values are sets.scala.collection.immutable.Set<B>getOrElse(A key, scala.Function0<scala.collection.immutable.Set<B>> default_)Scala API: Get the set associated with the key if there is one, else return the given default.inthashCode()booleanisEmpty()ORMultiMap<A,B>merge(ORMultiMap<A,B> that)ORMultiMap<A,B>mergeDelta(ORMap.DeltaOp thatDelta)scala.collection.immutable.Set<UniqueAddress>modifiedByNodes()The nodes that have changed the state for this data and would need pruning when such node is no longer part of the cluster.booleanneedPruningFrom(UniqueAddress removedNode)Does it have any state changes from a specific node, which has been removed from the cluster.ORMultiMap<A,B>prune(UniqueAddress removedNode, UniqueAddress collapseInto)When theremovednode has been removed from the cluster the state changes from that node will be pruned by collapsing the data entries to another node.ORMultiMap<A,B>pruningCleanup(UniqueAddress removedNode)Remove data entries from a node that has been removed from the cluster and already been pruned.ORMultiMap<A,B>put(Cluster node, A key, java.util.Set<B> value)Deprecated.Use `put` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>put(Cluster node, A key, scala.collection.immutable.Set<B> value)Deprecated.Use `put` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>put(SelfUniqueAddress node, A key, java.util.Set<B> value)Java API: Associate an entire set with the key while retaining the history of the previous replicated data set.ORMultiMap<A,B>put(SelfUniqueAddress node, A key, scala.collection.immutable.Set<B> value)Scala API: Associate an entire set with the key while retaining the history of the previous replicated data set.ORMultiMap<A,B>remove(A key, SelfUniqueAddress node)Scala API Remove an entire set associated with the key.ORMultiMap<A,B>remove(Cluster node, A key)Deprecated.Use `remove` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>remove(SelfUniqueAddress node, A key)Java API Remove an entire set associated with the key.ORMultiMap<A,B>removeBinding(A key, B element, Cluster node)Deprecated.Use `removeBinding` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>removeBinding(Cluster node, A key, B element)Deprecated.Use `removeBinding` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>removeBinding(SelfUniqueAddress node, A key, B element)Remove an element of a set associated with a key.ORMultiMap<A,B>removeBindingBy(A key, B element, SelfUniqueAddress node)ORMultiMap<A,B>replaceBinding(A key, B oldElement, B newElement, Cluster node)Deprecated.Use `replaceBinding` that takes a `SelfUniqueAddress` parameter instead.ORMultiMap<A,B>replaceBinding(SelfUniqueAddress node, A key, B oldElement, B newElement)Replace an element of a set associated with a key with a new one if it is different.ORMultiMap<A,B>replaceBindingBy(A key, B oldElement, B newElement, SelfUniqueAddress node)ORMultiMap<A,B>resetDelta()Reset collection of deltas from mutator operations.intsize()java.lang.StringtoString()static <A,B extends ReplicatedData>
scala.Option<scala.collection.immutable.Map<A,scala.collection.immutable.Set<B>>>unapply(java.lang.Object value)Extract theentries()of anORMultiMap.static <A,B>
scala.Option<scala.collection.immutable.Map<A,scala.collection.immutable.Set<B>>>unapply(ORMultiMap<A,B> m)Extract theentries().-
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.pekko.cluster.ddata.DeltaReplicatedData
mergeDelta
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Methods inherited from interface org.apache.pekko.cluster.ddata.ReplicatedData
merge
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Method Detail
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_empty
public static ORMultiMap<java.lang.Object,java.lang.Object> _empty()
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_emptyWithValueDeltas
public static ORMultiMap<java.lang.Object,java.lang.Object> _emptyWithValueDeltas()
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empty
public static <A,B> ORMultiMap<A,B> empty()
Provides an empty multimap.
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emptyWithValueDeltas
public static <A,B> ORMultiMap<A,B> emptyWithValueDeltas()
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apply
public static ORMultiMap<java.lang.Object,java.lang.Object> apply()
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create
public static <A,B> ORMultiMap<A,B> create()
Java API
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unapply
public static <A,B> scala.Option<scala.collection.immutable.Map<A,scala.collection.immutable.Set<B>>> unapply(ORMultiMap<A,B> m)
Extract theentries().
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unapply
public static <A,B extends ReplicatedData> scala.Option<scala.collection.immutable.Map<A,scala.collection.immutable.Set<B>>> unapply(java.lang.Object value)
Extract theentries()of anORMultiMap.
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merge
public ORMultiMap<A,B> merge(ORMultiMap<A,B> that)
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entries
public scala.collection.immutable.Map<A,scala.collection.immutable.Set<B>> entries()
Scala API: All entries of a multimap where keys are strings and values are sets.
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getEntries
public java.util.Map<A,java.util.Set<B>> getEntries()
Java API: All entries of a multimap where keys are strings and values are sets.
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get
public scala.Option<scala.collection.immutable.Set<B>> get(A key)
Get the set associated with the key if there is one.
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getOrElse
public scala.collection.immutable.Set<B> getOrElse(A key, scala.Function0<scala.collection.immutable.Set<B>> default_)
Scala API: Get the set associated with the key if there is one, else return the given default.
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contains
public boolean contains(A key)
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isEmpty
public boolean isEmpty()
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size
public int size()
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$colon$plus
public ORMultiMap<A,B> $colon$plus(scala.Tuple2<A,scala.collection.immutable.Set<B>> entry, SelfUniqueAddress node)
Convenience for put. Requires an implicit SelfUniqueAddress.
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$plus
public ORMultiMap<A,B> $plus(scala.Tuple2<A,scala.collection.immutable.Set<B>> entry, Cluster node)
Deprecated.Use `:+` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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put
public ORMultiMap<A,B> put(SelfUniqueAddress node, A key, scala.collection.immutable.Set<B> value)
Scala API: Associate an entire set with the key while retaining the history of the previous replicated data set.
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put
public ORMultiMap<A,B> put(Cluster node, A key, scala.collection.immutable.Set<B> value)
Deprecated.Use `put` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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put
public ORMultiMap<A,B> put(SelfUniqueAddress node, A key, java.util.Set<B> value)
Java API: Associate an entire set with the key while retaining the history of the previous replicated data set.
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put
public ORMultiMap<A,B> put(Cluster node, A key, java.util.Set<B> value)
Deprecated.Use `put` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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remove
public ORMultiMap<A,B> remove(A key, SelfUniqueAddress node)
Scala API Remove an entire set associated with the key.
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$minus
public ORMultiMap<A,B> $minus(A key, Cluster node)
Deprecated.Use `remove` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.Convenience for remove. Requires an implicit Cluster.
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remove
public ORMultiMap<A,B> remove(SelfUniqueAddress node, A key)
Java API Remove an entire set associated with the key.
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remove
public ORMultiMap<A,B> remove(Cluster node, A key)
Deprecated.Use `remove` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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addBinding
public ORMultiMap<A,B> addBinding(SelfUniqueAddress node, A key, B element)
Add an element to a set associated with a key. If there is no existing set then one will be initialised. TODO add implicit after deprecated is EOL.
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addBindingBy
public ORMultiMap<A,B> addBindingBy(A key, B element, SelfUniqueAddress node)
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addBinding
public ORMultiMap<A,B> addBinding(A key, B element, Cluster node)
Deprecated.Use `addBinding` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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addBinding
public ORMultiMap<A,B> addBinding(Cluster node, A key, B element)
Deprecated.Use `addBinding` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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removeBinding
public ORMultiMap<A,B> removeBinding(SelfUniqueAddress node, A key, B element)
Remove an element of a set associated with a key. If there are no more elements in the set then the entire set will be removed. TODO add implicit after deprecated is EOL.
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removeBindingBy
public ORMultiMap<A,B> removeBindingBy(A key, B element, SelfUniqueAddress node)
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removeBinding
public ORMultiMap<A,B> removeBinding(A key, B element, Cluster node)
Deprecated.Use `removeBinding` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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removeBinding
public ORMultiMap<A,B> removeBinding(Cluster node, A key, B element)
Deprecated.Use `removeBinding` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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replaceBinding
public ORMultiMap<A,B> replaceBinding(SelfUniqueAddress node, A key, B oldElement, B newElement)
Replace an element of a set associated with a key with a new one if it is different. This is useful when an element is removed and another one is added within the same Update. The order of addition and removal is important in order to retain history for replicated data.
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replaceBindingBy
public ORMultiMap<A,B> replaceBindingBy(A key, B oldElement, B newElement, SelfUniqueAddress node)
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replaceBinding
public ORMultiMap<A,B> replaceBinding(A key, B oldElement, B newElement, Cluster node)
Deprecated.Use `replaceBinding` that takes a `SelfUniqueAddress` parameter instead. Since Akka 2.5.20.
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resetDelta
public ORMultiMap<A,B> resetDelta()
Description copied from interface:DeltaReplicatedDataReset collection of deltas from mutator operations. When theReplicatorinvokes themodifyfunction of theUpdatemessage the delta is always "reset" and when the user code is invoking one or more mutator operations the data is collecting the delta of the operations and makes it available for theReplicatorwith theDeltaReplicatedData.delta()accessor. When theReplicatorhas grabbed thedeltait will invoke this method to get a clean data instance without the delta.- Specified by:
resetDeltain interfaceDeltaReplicatedData
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delta
public scala.Option<ORMap.DeltaOp> delta()
Description copied from interface:DeltaReplicatedDataThe accumulated delta of mutator operations since previousDeltaReplicatedData.resetDelta(). When theReplicatorinvokes themodifyfunction of theUpdatemessage and the user code is invoking one or more mutator operations the data is collecting the delta of the operations and makes it available for theReplicatorwith theDeltaReplicatedData.delta()accessor. Themodifyfunction shall still return the full state in the same way asReplicatedDatawithout support for deltas.- Specified by:
deltain interfaceDeltaReplicatedData
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mergeDelta
public ORMultiMap<A,B> mergeDelta(ORMap.DeltaOp thatDelta)
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modifiedByNodes
public scala.collection.immutable.Set<UniqueAddress> modifiedByNodes()
Description copied from interface:RemovedNodePruningThe nodes that have changed the state for this data and would need pruning when such node is no longer part of the cluster.- Specified by:
modifiedByNodesin interfaceRemovedNodePruning
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needPruningFrom
public boolean needPruningFrom(UniqueAddress removedNode)
Description copied from interface:RemovedNodePruningDoes it have any state changes from a specific node, which has been removed from the cluster.- Specified by:
needPruningFromin interfaceRemovedNodePruning
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pruningCleanup
public ORMultiMap<A,B> pruningCleanup(UniqueAddress removedNode)
Description copied from interface:RemovedNodePruningRemove data entries from a node that has been removed from the cluster and already been pruned.- Specified by:
pruningCleanupin interfaceRemovedNodePruning
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prune
public ORMultiMap<A,B> prune(UniqueAddress removedNode, UniqueAddress collapseInto)
Description copied from interface:RemovedNodePruningWhen theremovednode has been removed from the cluster the state changes from that node will be pruned by collapsing the data entries to another node.- Specified by:
prunein interfaceRemovedNodePruning
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toString
public java.lang.String toString()
- Overrides:
toStringin classjava.lang.Object
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equals
public boolean equals(java.lang.Object o)
- Overrides:
equalsin classjava.lang.Object
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hashCode
public int hashCode()
- Overrides:
hashCodein classjava.lang.Object
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