Class Manifest
java.lang.Object
org.elasticsearch.cluster.metadata.Manifest
- All Implemented Interfaces:
org.elasticsearch.common.xcontent.ToXContent
,org.elasticsearch.common.xcontent.ToXContentFragment
public class Manifest
extends java.lang.Object
implements org.elasticsearch.common.xcontent.ToXContentFragment
This class represents the manifest file, which is the entry point for reading meta data from disk.
Metadata consists of global metadata and index metadata.
When new version of metadata is written it's assigned some generation long value.
Global metadata generation could be obtained by calling
getGlobalGeneration()
.
Index metadata generation could be obtained by calling getIndexGenerations()
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Nested Class Summary
Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent
org.elasticsearch.common.xcontent.ToXContent.DelegatingMapParams, org.elasticsearch.common.xcontent.ToXContent.MapParams, org.elasticsearch.common.xcontent.ToXContent.Params
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Field Summary
Fields Modifier and Type Field Description static MetadataStateFormat<Manifest>
FORMAT
Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent
EMPTY_PARAMS
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Constructor Summary
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Method Summary
Modifier and Type Method Description static Manifest
empty()
boolean
equals(java.lang.Object o)
static Manifest
fromXContent(org.elasticsearch.common.xcontent.XContentParser parser)
long
getClusterStateVersion()
long
getCurrentTerm()
long
getGlobalGeneration()
Returns global metadata generation.java.util.Map<Index,java.lang.Long>
getIndexGenerations()
Returns map fromIndex
to index metadata generation.int
hashCode()
boolean
isEmpty()
boolean
isGlobalGenerationMissing()
java.lang.String
toString()
org.elasticsearch.common.xcontent.XContentBuilder
toXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params)
static Manifest
unknownCurrentTermAndVersion(long globalGeneration, java.util.Map<Index,java.lang.Long> indexGenerations)
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
Methods inherited from interface org.elasticsearch.common.xcontent.ToXContentFragment
isFragment
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Field Details
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FORMAT
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Constructor Details
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Manifest
public Manifest(long currentTerm, long clusterStateVersion, long globalGeneration, java.util.Map<Index,java.lang.Long> indexGenerations)
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Method Details
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unknownCurrentTermAndVersion
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getGlobalGeneration
public long getGlobalGeneration()Returns global metadata generation. -
getIndexGenerations
Returns map fromIndex
to index metadata generation. -
getCurrentTerm
public long getCurrentTerm() -
getClusterStateVersion
public long getClusterStateVersion() -
equals
public boolean equals(java.lang.Object o)- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()- Overrides:
hashCode
in classjava.lang.Object
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toString
public java.lang.String toString()- Overrides:
toString
in classjava.lang.Object
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toXContent
public org.elasticsearch.common.xcontent.XContentBuilder toXContent(org.elasticsearch.common.xcontent.XContentBuilder builder, org.elasticsearch.common.xcontent.ToXContent.Params params) throws java.io.IOException- Specified by:
toXContent
in interfaceorg.elasticsearch.common.xcontent.ToXContent
- Throws:
java.io.IOException
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fromXContent
public static Manifest fromXContent(org.elasticsearch.common.xcontent.XContentParser parser) throws java.io.IOException- Throws:
java.io.IOException
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isEmpty
public boolean isEmpty() -
empty
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isGlobalGenerationMissing
public boolean isGlobalGenerationMissing()
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