Package org.elasticsearch.test.engine

Class ThrowingLeafReaderWrapper

java.lang.Object

org.apache.lucene.index.IndexReader

org.apache.lucene.index.LeafReader

org.apache.lucene.index.FilterLeafReader

org.elasticsearch.common.lucene.index.SequentialStoredFieldsLeafReader

org.elasticsearch.test.engine.ThrowingLeafReaderWrapper

All Implemented Interfaces:

Closeable, AutoCloseable

public class ThrowingLeafReaderWrapper
extends SequentialStoredFieldsLeafReader

An FilterLeafReader that allows to throw exceptions if certain methods are called on is. This allows to test parts of the system under certain error conditions that would otherwise not be possible.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ThrowingLeafReaderWrapper.Flags	Flags passed to ThrowingLeafReaderWrapper.Thrower.maybeThrow(org.elasticsearch.test.engine.ThrowingLeafReaderWrapper.Flags) when the corresponding method is called.
static interface	ThrowingLeafReaderWrapper.Thrower	A callback interface that allows to throw certain exceptions for methods called on the IndexReader that is wrapped by ThrowingLeafReaderWrapper
static class	ThrowingLeafReaderWrapper.ThrowingFields	Wraps a Fields but with additional asserts
static class	ThrowingLeafReaderWrapper.ThrowingTerms	Wraps a Terms but with additional asserts

Nested classes/interfaces inherited from class org.apache.lucene.index.FilterLeafReader

FilterLeafReader.FilterFields, FilterLeafReader.FilterPostingsEnum, FilterLeafReader.FilterTerms, FilterLeafReader.FilterTermsEnum

Nested classes/interfaces inherited from class org.apache.lucene.index.IndexReader

IndexReader.CacheHelper, IndexReader.CacheKey, IndexReader.ClosedListener

Field Summary

Fields inherited from class org.apache.lucene.index.FilterLeafReader

in

Constructor Summary

Constructors

Constructor	Description
ThrowingLeafReaderWrapper(LeafReader in, ThrowingLeafReaderWrapper.Thrower thrower)

Method Summary

Modifier and Type	Method	Description
protected org.apache.lucene.codecs.StoredFieldsReader	doGetSequentialStoredFieldsReader(org.apache.lucene.codecs.StoredFieldsReader reader)
BinaryDocValues	getBinaryDocValues(String field)
IndexReader.CacheHelper	getCoreCacheHelper()
NumericDocValues	getNormValues(String field)
NumericDocValues	getNumericDocValues(String field)
IndexReader.CacheHelper	getReaderCacheHelper()
SortedDocValues	getSortedDocValues(String field)
SortedSetDocValues	getSortedSetDocValues(String field)
Fields	getTermVectors(int docID)
Terms	terms(String field)

Methods inherited from class org.elasticsearch.common.lucene.index.SequentialStoredFieldsLeafReader

getSequentialStoredFieldsReader

Methods inherited from class org.apache.lucene.index.FilterLeafReader

checkIntegrity, doClose, document, getDelegate, getFieldInfos, getLiveDocs, getMetaData, getPointValues, getSortedNumericDocValues, maxDoc, numDocs, toString, unwrap

Methods inherited from class org.apache.lucene.index.LeafReader

docFreq, getContext, getDocCount, getSumDocFreq, getSumTotalTermFreq, postings, postings, totalTermFreq

Methods inherited from class org.apache.lucene.index.IndexReader

close, decRef, document, document, ensureOpen, equals, getRefCount, getTermVector, hasDeletions, hashCode, incRef, leaves, numDeletedDocs, registerParentReader, tryIncRef

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ThrowingLeafReaderWrapper

public ThrowingLeafReaderWrapper(LeafReader in,
 ThrowingLeafReaderWrapper.Thrower thrower)

Method Details

terms

public Terms terms(String field)
            throws IOException

Overrides:

terms in class FilterLeafReader

Throws:

IOException

getTermVectors

public Fields getTermVectors(int docID)
                      throws IOException

Overrides:

getTermVectors in class FilterLeafReader

Throws:

IOException

getNumericDocValues

public NumericDocValues getNumericDocValues(String field)
                                     throws IOException

Overrides:

getNumericDocValues in class FilterLeafReader

Throws:

IOException

getBinaryDocValues

public BinaryDocValues getBinaryDocValues(String field)
                                   throws IOException

Overrides:

getBinaryDocValues in class FilterLeafReader

Throws:

IOException

getSortedDocValues

public SortedDocValues getSortedDocValues(String field)
                                   throws IOException

Overrides:

getSortedDocValues in class FilterLeafReader

Throws:

IOException

getSortedSetDocValues

public SortedSetDocValues getSortedSetDocValues(String field)
                                         throws IOException

Overrides:

getSortedSetDocValues in class FilterLeafReader

Throws:

IOException

getNormValues

public NumericDocValues getNormValues(String field)
                               throws IOException

Overrides:

getNormValues in class FilterLeafReader

Throws:

IOException

getCoreCacheHelper

public IndexReader.CacheHelper getCoreCacheHelper()

Specified by:

getCoreCacheHelper in class LeafReader

getReaderCacheHelper

public IndexReader.CacheHelper getReaderCacheHelper()

Specified by:

getReaderCacheHelper in class IndexReader

doGetSequentialStoredFieldsReader

protected org.apache.lucene.codecs.StoredFieldsReader doGetSequentialStoredFieldsReader(org.apache.lucene.codecs.StoredFieldsReader reader)

Specified by:

doGetSequentialStoredFieldsReader in class SequentialStoredFieldsLeafReader