public class ConditionalExtractor<T,E> extends AbstractExtractor<T,E> implements IndexAwareExtractor<T,E>, ExternalizableLite, PortableObject
ConditionalIndex
.
Note: the underlying ValueExtractor is used for value extraction during index creation and is the extractor that is associated with the created ConditionalIndex
in the given index map. Using the ConditionalExtractor to extract values in not supported.
ExternalizableHelper.DecoratedMultiBufferReadBuffer, ExternalizableHelper.DefaultObjectStreamFactory, ExternalizableHelper.FormatAwareCompressor, ExternalizableHelper.IntDecoratedObject, ExternalizableHelper.Shielded, ExternalizableHelper.ShieldedDataOutputStream, ExternalizableHelper.ShieldedInputStream, ExternalizableHelper.ShieldedObjectOutputStream, ExternalizableHelper.ShieldedOutputStream, ExternalizableHelper.SimpleXmlBeanClassCache, ExternalizableHelper.Stats, ExternalizableHelper.XmlBeanClassCache
Base.LoggingWriter, Base.StackFrame
Modifier and Type | Field and Description |
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protected ValueExtractor<T,E> |
m_extractor
The underlying extractor.
|
protected boolean |
m_fForwardIndex
Specifies whether or not this extractor will create a
ConditionalIndex that supports a forward index. |
protected Filter |
m_filter
The filter used by this extractor.
|
protected boolean |
m_fOptimizeMV
For an indexed value that is a multi-value (Collection or array) this flag specifies whether an attempt should be made to search the forward map for an existing reference that is "equal" to the specified multi-value and use it instead (if available) to reduce the index memory footprint.
|
KEY, m_nTarget, VALUE
CONVERTER_FROM_BINARY, CONVERTER_STRIP_INTDECO, CONVERTER_TO_BINARY, DECO_APP_1, DECO_APP_2, DECO_APP_3, DECO_CUSTOM, DECO_EXPIRY, DECO_ID_MAX, DECO_ID_MIN, DECO_JCACHE, DECO_JCACHE_SYNTHETIC, DECO_MEMCACHED, DECO_PUSHREP, DECO_QUEUE_METADATA, DECO_RSVD_1, DECO_RSVD_2, DECO_STORE, DECO_TOPLINK, DECO_TX, DECO_VALUE, DECO_WLS, EMPTY_BINARY_ARRAY, FMT_B_ARRAY, FMT_BIN_DECO, FMT_BIN_EXT_DECO, FMT_BINARY, FMT_BOOLEAN, FMT_BYTE, FMT_DECIMAL, FMT_DOUBLE, FMT_EXT, FMT_FLOAT, FMT_IDO, FMT_INT, FMT_INTEGER, FMT_LONG, FMT_NONE, FMT_NULL, FMT_OBJ_EXT, FMT_OBJ_SER, FMT_OPT, FMT_OPT_DOUBLE, FMT_OPT_INT, FMT_OPT_LONG, FMT_SHORT, FMT_STRING, FMT_UNKNOWN, FMT_XML_BEAN, FMT_XML_SER, FORCE_RESOLVING_STREAMS, MAX_DECO_HEADER_BYTES, PROPERTY_CONFIG, s_streamfactory, TRINT_DOMAIN_SPAN, TRINT_MAX_VALUE, TRINT_MAX_VARIANCE, USE_POF_STREAMS, USE_XMLBEAN_CLASS_CACHE, XMLBEAN_CLASS_CACHE
Constructor and Description |
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ConditionalExtractor()
Construct the ConditionalExtractor.
|
ConditionalExtractor(Filter filter, ValueExtractor<T,E> extractor, boolean fForwardIndex)
Construct the ConditionalExtractor.
|
ConditionalExtractor(Filter filter, ValueExtractor<T,E> extractor, boolean fForwardIndex, boolean fOptimizeMV)
Construct the ConditionalExtractor.
|
Modifier and Type | Method and Description |
---|---|
MapIndex |
createIndex(boolean fOrdered, Comparator comparator, Map<ValueExtractor<T,E>,MapIndex> mapIndex, BackingMapContext ctx)
Create an index and associate it with the corresponding extractor.
|
MapIndex |
destroyIndex(Map<ValueExtractor<T,E>,MapIndex> mapIndex)
Destroy an existing index and remove it from the given map of indexes.
|
boolean |
equals(Object o) |
E |
extract(Object oTarget)
Using a ConditionalExtractor to extract values in not supported.
|
int |
hashCode() |
void |
readExternal(DataInput in)
Restore the contents of this object by loading the object's state from the passed DataInput object.
|
void |
readExternal(PofReader in)
Restore the contents of a user type instance by reading its state using the specified PofReader object.
|
String |
toString()
Return a human-readable description for this ConditionalExtractor.
|
void |
writeExternal(DataOutput out)
Save the contents of this object by storing the object's state into the passed DataOutput object.
|
void |
writeExternal(PofWriter out)
Save the contents of a POF user type instance by writing its state using the specified PofWriter object.
|
compare, compareEntries, extractFromEntry, extractOriginalFromEntry, getTarget
asBinary, calculatePackedLength, calculatePackedLength, convertUTF, decodeExpiry, decorate, decorate, decorate, decorate, decorate, decorateBinary, encodeExpiry, ensureSerializer, extractIntDecoration, fromBinary, fromBinary, fromBinary, fromByteArray, fromByteArray, getDecoration, getDecoration, getDecorations, getDeltaCompressor, getInputStream, getNewObjectInput, getObjectInput, getObjectOutput, getObjectStreamFactory, getOutputStream, getShieldedOutputStream, getStreamFormat, getUndecorated, getUndecorated, isDecorated, isDecorated, isIntDecorated, isIntDecorated, isResolving, isSerializable, isSerializerCompatible, isVersionCompatible, isVersionCompatible, loadClass, loadResource, main, makeTrint, readBigDecimal, readBigInteger, readBooleanArray, readByteArray, readCollection, readDate, readDoubleArray, readExternalizableLite, readExternalizableLite, readFloatArray, readInt, readInt, readIntArray2d, readLong, readLong, readMap, readMap, readObject, readObject, readSafeUTF, readSafeUTF, readSerializable, readSerializable, readStringArray, readTime, readTimestamp, readTrint, readUnsignedTrint, readUTF, readXmlBean, readXmlSerializable, readXmlSerializable, realize, removeIntDecoration, removeIntDecoration, replace, reportIncompatibleSerializers, setObjectStreamFactory, toBinary, toBinary, toByteArray, toByteArray, toByteArray, toLiteBinary, toLong, undecorate, undecorate, validateBufferSize, writeBigDecimal, writeBigInteger, writeBooleanArray, writeByteArray, writeCollection, writeDate, writeDoubleArray, writeExternalizableLite, writeFloatArray, writeInt, writeInt, writeIntArray2d, writeLong, writeLong, writeMap, writeObject, writeSafeUTF, writeSafeUTF, writeSerializable, writeStringArray, writeTime, writeTimestamp, writeTrint, writeTrint, writeUTF, writeXmlBean, writeXmlSerializable
countBits, countBits, countBits, indexOfLSB, indexOfLSB, indexOfLSB, indexOfMSB, indexOfMSB, indexOfMSB, rotateLeft, rotateLeft, rotateLeft, rotateRight, rotateRight, rotateRight, toBitString, toBitString, toBitString, toBytes, toBytes, toBytes, toBytes, toInt, toInt, toLong
azzert, azzert, azzert, azzertFailed, breakLines, breakLines, capitalize, checkNotEmpty, checkNotNull, checkRange, computeSafeWaitTime, decimalValue, dup, dup, ensureBigDecimal, ensureClassLoader, ensureRuntimeException, ensureRuntimeException, equals, equalsDeep, err, err, err, err, err, escape, formatDateTime, getCallerStackFrame, getCommonMonitor, getCommonMonitor, getCommonMonitor, getContextClassLoader, getContextClassLoader, getDeepMessage, getErr, getLastSafeTimeMillis, getLog, getMaxDecDigits, getMaxHexDigits, getOriginalException, getOut, getRandom, getRandomBinary, getRandomBinary, getRandomString, getSafeTimeMillis, getStackFrame, getStackFrames, getStackTrace, getStackTrace, getThreadFactory, getTimeZone, getUpTimeMillis, hashCode, hexValue, indentString, indentString, isDecimal, isHex, isLogEcho, isOctal, log, log, log, log, log, makeInteger, makeLong, makeThread, mod, mod, octalValue, out, out, out, out, out, pad, parseBandwidth, parseBandwidth, parseDelimitedString, parseHex, parseHex, parseMemorySize, parseMemorySize, parsePercentage, parseTime, parseTime, parseTimeNanos, parseTimeNanos, printStackTrace, randomize, randomize, randomize, read, read, read, read, read, read, read, replace, setErr, setLog, setLogEcho, setOut, sleep, toBandwidthString, toBandwidthString, toCharEscape, toCrc, toCrc, toCrc, toCrc, toCrc, toDecString, toDelimitedString, toDelimitedString, toDelimitedString, toDelimitedString, toHex, toHex, toHexDump, toHexEscape, toHexEscape, toHexEscape, toHexEscape, toHexString, toMemorySizeString, toMemorySizeString, toQuotedCharEscape, toQuotedStringEscape, toSqlString, toString, toString, toStringEscape, toUnicodeEscape, trace, trace, trace, trace, trace, trace, trace, trace, trace, truncateString, truncateString, wait
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
getExtractor
andThen, apply, applyAsDouble, applyAsInt, applyAsLong, compose, identity, identityCast, of
andThen, compose
comparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong
protected Filter m_filter
protected ValueExtractor<T,E> m_extractor
protected boolean m_fForwardIndex
ConditionalIndex
that supports a forward index.protected boolean m_fOptimizeMV
Note, that even if this optimization is allowed, the full search could be quite expensive and our algorithm will always limit the number of cycles it spends on the search.
public ConditionalExtractor()
public ConditionalExtractor(Filter filter, ValueExtractor<T,E> extractor, boolean fForwardIndex)
filter
- the filter used by this extractor to create a ConditionalIndex
; must not be null.extractor
- the extractor used by this extractor to create a ConditionalIndex
; Note that the created index will be associated with this extractor in the given index map; must not be nullfForwardIndex
- specifies whether or not this extractor will create a ConditionalIndex
that supports a forward mappublic ConditionalExtractor(Filter filter, ValueExtractor<T,E> extractor, boolean fForwardIndex, boolean fOptimizeMV)
filter
- the filter used by this extractor to create a ConditionalIndex
; must not be null.extractor
- the extractor used by this extractor to create a ConditionalIndex
; Note that the created index will be associated with this extractor in the given index map; must not be nullfForwardIndex
- specifies whether or not this extractor will create a ConditionalIndex
that supports a forward mapfOptimizeMV
- specifies whether an attempt should be made to search the forward map for an existing reference that is "equal" to the specified multi-value and use it instead (if available) to reduce the index memory footprintpublic MapIndex createIndex(boolean fOrdered, Comparator comparator, Map<ValueExtractor<T,E>,MapIndex> mapIndex, BackingMapContext ctx)
createIndex
in interface IndexAwareExtractor<T,E>
fOrdered
- true iff the contents of the indexed information should be ordered; false otherwisecomparator
- the Comparator object which imposes an ordering of entries in the index contents; or null if the entries' values natural ordering should be usedmapIndex
- Map<ValueExtractor, MapIndex> to be updated with the created indexctx
- The context
the index is associate with.public MapIndex destroyIndex(Map<ValueExtractor<T,E>,MapIndex> mapIndex)
destroyIndex
in interface IndexAwareExtractor<T,E>
mapIndex
- map<ValueExtractor, MapIndex> to be updated by removing the index being destroyedpublic E extract(Object oTarget)
extract
in interface ValueExtractor<T,E>
extract
in class AbstractExtractor<T,E>
oTarget
- the object to extract the value fromUnsupportedOperationException
- alwayspublic void readExternal(DataInput in) throws IOException
readExternal
in interface ExternalizableLite
in
- the DataInput stream to read data from in order to restore the state of this objectIOException
- if an I/O exception occursNotActiveException
- if the object is not in its initial state, and therefore cannot be deserialized intopublic void writeExternal(DataOutput out) throws IOException
writeExternal
in interface ExternalizableLite
out
- the DataOutput stream to write the state of this object toIOException
- if an I/O exception occurspublic void readExternal(PofReader in) throws IOException
readExternal
in interface PortableObject
in
- the PofReader from which to read the object's stateIOException
- if an I/O error occurspublic void writeExternal(PofWriter out) throws IOException
writeExternal
in interface PortableObject
out
- the PofWriter to which to write the object's stateIOException
- if an I/O error occurspublic boolean equals(Object o)
equals
in interface Comparator
equals
in class Object