Package org.apache.heron.api.state
Interface State<K extends Serializable,V extends Serializable>
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- All Superinterfaces:
Map<K,V>
- All Known Implementing Classes:
HashMapState
public interface State<K extends Serializable,V extends Serializable> extends Map<K,V>
State represents the state interface as seen by stateful bolts and spouts. In Heron, state gives a notional Key/Value interface along with the ability to iterate over the key/values
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Method Summary
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Methods inherited from interface java.util.Map
clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values
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