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java.lang.Objectorg.openstreetmap.osmosis.core.mysql.v0_5.impl.EntitySnapshotReader<T>
T
- The data type to be read.public class EntitySnapshotReader<T extends Entity>
Reads a complete snapshot of an entity type based on the complete history of an entity type.
Constructor Summary | |
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EntitySnapshotReader(PeekableIterator<EntityHistory<T>> entityIterator,
java.util.Date snapshotInstant,
java.util.Comparator<EntityHistory<T>> resultOrdering)
Creates a new instance. |
Method Summary | |
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boolean |
hasNext()
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T |
next()
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void |
release()
Performs resource cleanup tasks such as closing files, or database connections. |
void |
remove()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public EntitySnapshotReader(PeekableIterator<EntityHistory<T>> entityIterator, java.util.Date snapshotInstant, java.util.Comparator<EntityHistory<T>> resultOrdering)
entityIterator
- An iterator containing the full history for an entity type
ordered by identifier.snapshotInstant
- The state of the entity at this point in time will be dumped.
This ensures a consistent snapshot.resultOrdering
- This provides a way of sorting the history records for a
single entity, it may be null if no sorting is required.Method Detail |
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public boolean hasNext()
hasNext
in interface java.util.Iterator<T extends Entity>
public T next()
next
in interface java.util.Iterator<T extends Entity>
public void remove()
remove
in interface java.util.Iterator<T extends Entity>
public void release()
release
in interface Releasable
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