DIHWriterBase (Solr 3.6.2 API)
Keywords: org.apache.solr.handler.dataimport.DIHWriterBase class

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## org.apache.solr.handler.dataimport
Class DIHWriterBase

    java.lang.Object
      org.apache.solr.handler.dataimport.DIHWriterBase

All Implemented Interfaces:
  DIHWriter

Direct Known Subclasses:
  SolrWriter

    public abstract class DIHWriterBase

extends Object
implements DIHWriter

Field Summary
`protected Set<Object>` | `deltaKeys`
`protected String` | `keyFieldName`

Constructor Summary
`DIHWriterBase()`

Method Summary
`void` | `setDeltaKeys(Set<Map<String,Object>> passedInDeltaKeys)` Specify the keys to be modified by a delta update (required by writers that can store duplicate keys)

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.apache.solr.handler.dataimport.DIHWriter
`close, commit, deleteByQuery, deleteDoc, doDeleteAll, init, rollback, upload`

Field Detail

### keyFieldName

    protected String keyFieldName

### deltaKeys

    protected Set<Object> deltaKeys

Constructor Detail

### DIHWriterBase

    public DIHWriterBase()

Method Detail

### setDeltaKeys

    public void setDeltaKeys(Set<Map<String,Object>> passedInDeltaKeys)

  Description copied from interface: `DIHWriter`

  Specify the keys to be modified by a delta update (required by writers that can store duplicate keys)

  Specified by:
    `setDeltaKeys` in interface `DIHWriter`

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