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NoMergePolicy (Lucene 4.2.1 API) - Lucene - [web site]
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NoMergePolicy (Lucene 4.2.1 API)
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org.apache.lucene.index
Class NoMergePolicy
java.lang.Object
org.apache.lucene.index.MergePolicy...
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org.apache.lucene.index.NoMergePolicy
All Implemented Interfaces:
Closeable, Cloneable
public final class NoMergePolicy
extends MergePolicy
A MergePolicy which never returns... |
| ..._FILES
otherwise. Use it if you want to prevent an IndexWriter from ever
executing merges, without going through the hassle of tweaking a merge
policy's settings to achieve that, such as changing its... |
| ... merge factor.
Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.index.MergePolicy
MergePolicy.MergeAbortedException, MergePolicy... |
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http://lucene.apache.org/java/4_2_1/core/org/apache/lucen.../NoMergePolicy.html
2013-04-04, 00:43
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MergePolicy (Lucene 4.2.1 API) - Lucene - [web site]
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MergePolicy (Lucene 4.2.1 API)
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org.apache.lucene.index
Class MergePolicy
java.lang.Object
org.apache.lucene.index.MergePolicy...
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All Implemented Interfaces:
Closeable, Cloneable
Direct Known Subclasses:
LogMergePolicy, NoMergePolicy, TieredMergePolicy, UpgradeIndexMergePolicy
public abstract class MergePolicy... |
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extends Object
implements Closeable, Cloneable
Expert: a MergePolicy determines the sequence of
primitive merge operations.
Whenever the segments in an index have been altered... |
| ... by
IndexWriter, either the addition of a newly
flushed segment, addition of many segments from
addIndexes* calls, or a previous merge that may now need
to cascade, IndexWriter invokes findMerges(org.apache.lucene.index.MergePolicy... |
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http://lucene.apache.org/java/4_2_1/core/org/apache/lucene/.../MergePolicy.html
2013-04-04, 00:43
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SnapshotDeletionPolicy (Lucene 4.2.1 API) - Lucene - [web site]
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SnapshotDeletionPolicy (Lucene 4.2.1 API)
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org.apache.lucene.index
Class SnapshotDeletionPolicy
java...
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org.apache.lucene.index.SnapshotDeletionPolicy
All Implemented Interfaces:
IndexDeletionPolicy
Direct Known Subclasses:
PersistentSnapshotDeletionPolicy
public class SnapshotDeletionPolicy... |
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extends Object
implements IndexDeletionPolicy
An IndexDeletionPolicy that wraps around any other
IndexDeletionPolicy and adds the ability to hold and later release
snapshots of an index... |
| ...
IndexDeletionPolicy, this gives you the freedom to continue using
whatever IndexDeletionPolicy you would normally want to use with your
index.
This class maintains all snapshots in... |
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http://lucene.apache.org/java/4_2_1/core/org/apa.../SnapshotDeletionPolicy.html
2013-04-04, 00:43
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AlcoholicMergePolicy (Lucene 4.2.1 API) - Lucene - [web site]
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AlcoholicMergePolicy (Lucene 4.2.1 API)
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org.apache.lucene.index
Class AlcoholicMergePolicy
java...
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org.apache.lucene.index.MergePolicy
org.apache.lucene.index.LogMergePolicy
org.apache.lucene.index.AlcoholicMergePolicy
All Implemented Interfaces:
Closeable, Cloneable... |
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public class AlcoholicMergePolicy
extends LogMergePolicy
Merge policy for testing, it is like an alcoholic.
It drinks (merges) at night, and randomly decides what to drink.
During... |
| ... the daytime it sleeps.
if tests pass with this, then they are likely to pass with any
bizarro merge policy users might write.
It is a fine bottle of champagne (Ordered by Martijn... |
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http://lucene.apache.org/java/4_2_1/test-framework.../AlcoholicMergePolicy.html
2013-04-04, 00:43
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NoDeletionPolicy (Lucene 4.2.1 API) - Lucene - [web site]
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NoDeletionPolicy (Lucene 4.2.1 API)
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org.apache.lucene.index
Class NoDeletionPolicy
java.lang.Object
org.apache.lucene.index.NoDeletionPolicy...
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All Implemented Interfaces:
IndexDeletionPolicy
public final class NoDeletionPolicy
extends Object
implements IndexDeletionPolicy
An IndexDeletionPolicy which keeps all index... |
| ... commits around, never
deleting them. This class is a singleton and can be accessed by referencing
INSTANCE.
Field Summary
static IndexDeletionPolicy INSTANCE
The... |
| ...Init(List<? extends IndexCommit> commits)
This is called once when a writer is first
instantiated to give the policy a chance to remove old
commit points.
Methods inherited from class... |
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http://lucene.apache.org/java/4_2_1/core/org/apache/lu.../NoDeletionPolicy.html
2013-04-04, 00:43
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TieredMergePolicy (Lucene 4.2.1 API) - Lucene - [web site]
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TieredMergePolicy (Lucene 4.2.1 API)
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org.apache.lucene.index
Class TieredMergePolicy
java.lang.Object
org.apache.lucene.index.MergePolicy...
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org.apache.lucene.index.TieredMergePolicy
All Implemented Interfaces:
Closeable, Cloneable
public class TieredMergePolicy
extends MergePolicy
Merges segments of approximately... |
| ... equal size, subject to
an allowed number of segments per tier. This is similar
to LogByteSizeMergePolicy, except this merge
policy is able to merge non-adjacent segment, and
separates... |
| ... how many segments are merged at once (setMaxMergeAtOnce(int)) from how many segments are allowed
per tier (setSegmentsPerTier(double)). This merge
policy also does not over-merge (i... |
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http://lucene.apache.org/java/4_2_1/core/org/apache/l.../TieredMergePolicy.html
2013-04-04, 00:43
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IndexDeletionPolicy (Lucene 4.2.1 API) - Lucene - [web site]
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IndexDeletionPolicy (Lucene 4.2.1 API)
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org.apache.lucene.index
Interface IndexDeletionPolicy
All Known...
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[+ show more]
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| ... Implementing Classes:
KeepOnlyLastCommitDeletionPolicy, NoDeletionPolicy, PersistentSnapshotDeletionPolicy, SnapshotDeletionPolicy
public interface IndexDeletionPolicy
Expert: policy... |
| ... the index directory. The default deletion policy
is KeepOnlyLastCommitDeletionPolicy, which always
removes old commits as soon as a new commit is done (this
matches the behavior before 2... |
| ... the "delete on last close" semantics
that Lucene's "point in time" search normally relies on.
By implementing a custom deletion policy, such as "a
commit is only removed once it has been stale... |
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http://lucene.apache.org/java/4_2_1/core/org/apache.../IndexDeletionPolicy.html
2013-04-04, 00:43
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LogMergePolicy (Lucene 4.2.1 API) - Lucene - [web site]
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LogMergePolicy (Lucene 4.2.1 API)
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org.apache.lucene.index
Class LogMergePolicy
java.lang.Object
org.apache.lucene.index.MergePolicy...
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org.apache.lucene.index.LogMergePolicy
All Implemented Interfaces:
Closeable, Cloneable
Direct Known Subclasses:
LogByteSizeMergePolicy, LogDocMergePolicy
public abstract... |
| ... class LogMergePolicy
extends MergePolicy
This class implements a MergePolicy that tries
to merge segments into levels of exponentially
increasing size, where each level has fewer... |
| ...(org.apache.lucene.index.SegmentInfoPerCommit) method which specifies how a
segment's size is determined. LogDocMergePolicy
is one subclass that measures size by document count in
the segment. LogByteSizeMergePolicy is another
subclass... |
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http://lucene.apache.org/java/4_2_1/core/org/apache/luce.../LogMergePolicy.html
2013-04-04, 00:43
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NoMergePolicy (Lucene 4.2.0 API) - Lucene - [web site]
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NoMergePolicy (Lucene 4.2.0 API)
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org.apache.lucene.index
Class NoMergePolicy...
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java.lang.Object
org.apache.lucene.index.MergePolicy
org.apache.lucene.index.NoMergePolicy
All Implemented Interfaces:
Closeable, Cloneable
public final class NoMergePolicy... |
| ...
extends MergePolicy
A MergePolicy which never returns merges to execute (hence it's
name). It is also a singleton and can be accessed through
NO_COMPOUND_FILES if you want to indicate the index... |
| ...
policy's settings to achieve that, such as changing its merge factor.
Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.index.MergePolicy... |
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http://lucene.apache.org/java/4_2_0/core/org/apache/lucen.../NoMergePolicy.html
2013-03-11, 05:47
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MergePolicy (Lucene 4.2.0 API) - Lucene - [web site]
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MergePolicy (Lucene 4.2.0 API)
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org.apache.lucene.index
Class MergePolicy
java...
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org.apache.lucene.index.MergePolicy
All Implemented Interfaces:
Closeable, Cloneable
Direct Known Subclasses:
LogMergePolicy, NoMergePolicy, TieredMergePolicy, UpgradeIndexMergePolicy... |
| ...
public abstract class MergePolicy
extends Object
implements Closeable, Cloneable
Expert: a MergePolicy determines the sequence of
primitive merge operations.
Whenever the segments... |
| ..., IndexWriter invokes findMerges(org.apache.lucene.index.MergePolicy.MergeTrigger, org.apache.lucene.index.SegmentInfos) to give the MergePolicy a chance to pick
merges that are now required... |
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http://lucene.apache.org/java/4_2_0/core/org/apache/lucene/.../MergePolicy.html
2013-03-11, 05:47
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