HHH-18885 Introduce DelayedOperation.getAddedEntry() for maps #9331
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mbellade
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May 27, 2025
hibernate-core/src/main/java/org/hibernate/collection/spi/PersistentMap.java
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mbellade
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May 27, 2025
hibernate-core/src/main/java/org/hibernate/collection/spi/PersistentMap.java
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hibernate-core/src/main/java/org/hibernate/collection/spi/AbstractPersistentCollection.java
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hibernate-core/src/main/java/org/hibernate/collection/spi/AbstractPersistentCollection.java
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mbellade
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Extra lazy maps need to persist the added entry (key and value), not the added value. Let PersistentMap.AbstractMapValueDelayedOperation return the added entry so OneToManyPersister.writeIndex() can execute the queued operation.
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Test reproducing the issue: https://hibernate.atlassian.net/browse/HHH-18885
Putting a entity in an extra lazy map and committing the transaction results in a ClassCastException
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