Examples of org.apache.jackrabbit.oak.spi.state.ApplyDiff

Package org.apache.jackrabbit.oak.spi.state

Examples of org.apache.jackrabbit.oak.spi.state.ApplyDiff

org.apache.jackrabbit.oak.spi.state.ApplyDiff
A node state diff handler that applies all reported changes as-is to the given node builder. No conflict detection or resolution is attempted. The main use case for this class is to call all the {@link NodeBuilder} methods necessary to go from a given base stateto any given target state.
The expected usage pattern looks like this:
```
 NodeState base = ...; NodeState target = ...; NodeBuilder builder = base.builder(); target.compareAgainstBaseState(base, new ReapplyDiff(builder)); assertEquals(target, builder.getNodeState()); 
```
Alternatively, the {@link #apply(NodeState)} method can be used to setthe content of a given builder:
```
 NodeBuilder builder = ...; NodeState target = ...; new ApplyDiff(builder).apply(target); assertEquals(target, builder.getNodeState()); 
```

    public static void restore(NodeState source, NodeStore store)
            throws CommitFailedException {
        long s = System.currentTimeMillis();
        NodeState after = store.getRoot();
        NodeBuilder builder = after.builder();
        source.compareAgainstBaseState(after, new ApplyDiff(builder));
        store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);
        log.debug("Restore finished in {} ms.", System.currentTimeMillis() - s);
    }

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                    // so use the backed up state as the basis of the
                    // incremental backup diff
                    before = state.getChildNode("root");
                }
                current.compareAgainstBaseState(
                        before, new ApplyDiff(builder.child("root")));
            }
            builder.setProperty("checkpoint", checkpoint);


            // 4. commit the backup
            backup.setHead(state, builder.getNodeState());

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        BuiltInNodeTypes.register(new SystemRoot(
                store, new EditorHook(new CompositeEditorProvider(
                        new NamespaceEditorProvider(),
                        new TypeEditorProvider()))));
        NodeState target = store.getRoot();
        target.compareAgainstBaseState(base, new ApplyDiff(builder));
    }

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                    // so use the backed up state as the basis of the
                    // incremental backup diff
                    before = state.getChildNode("root");
                }
                current.compareAgainstBaseState(
                        before, new ApplyDiff(builder.child("root")));
            }
            builder.setProperty("checkpoint", checkpoint);


            // 4. commit the backup
            journal.setHead(

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        NodeStore store = new MemoryNodeStore(base);
        BuiltInNodeTypes.register(new SystemRoot(store, new EditorHook(
                new CompositeEditorProvider(new NamespaceEditorProvider(),
                        new RegistrationEditorProvider()))));
        NodeState target = store.getRoot();
        target.compareAgainstBaseState(base, new ApplyDiff(builder));
    }

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