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## org.apache.cayenne
Interface DataChannelFilterChain

    public interface DataChannelFilterChain

Provides DataChannelFilters with API to pass control to the next filter in the chain or the underlying DataChannel for the last chain filter.

Since:
  3.1

Method Summary
`QueryResponse` | `onQuery(ObjectContext originatingContext, Query query)`
`GraphDiff` | `onSync(ObjectContext originatingContext, GraphDiff changes, int syncType)`

Method Detail

### onQuery

    QueryResponse onQuery(ObjectContext originatingContext,
                          Query query)

### onSync

    GraphDiff onSync(ObjectContext originatingContext,
                     GraphDiff changes,
                     int syncType)

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