Package org.apache.lucene.monitor
Class MonitorConfiguration
- java.lang.Object
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- org.apache.lucene.monitor.MonitorConfiguration
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public class MonitorConfiguration extends Object
Encapsulates various configuration settings for a Monitor's query index
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Constructor Summary
Constructors Constructor Description MonitorConfiguration()
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Method Summary
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Method Detail
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isReadOnly
public boolean isReadOnly()
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getDirectoryProvider
public IOSupplier<Directory> getDirectoryProvider()
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setDirectoryProvider
public MonitorConfiguration setDirectoryProvider(IOSupplier<Directory> directoryProvider, MonitorQuerySerializer serializer, Boolean readOnly)
Sets a custom directory, with a custom serializer.You have also the chance to configure the Monitor as read-only.
- Parameters:
directoryProvider
- lambda to provide the index Directory implementationserializer
- the serializer used to store the queriesreadOnly
- set the monitor as read-only- Returns:
- MonitorCOnfiguration
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setDirectoryProvider
public MonitorConfiguration setDirectoryProvider(IOSupplier<Directory> directoryProvider, MonitorQuerySerializer serializer)
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setIndexPath
public MonitorConfiguration setIndexPath(Path indexPath, MonitorQuerySerializer serializer)
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buildIndexWriter
public IndexWriter buildIndexWriter() throws IOException
- Throws:
IOException
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getIndexWriterConfig
protected IndexWriterConfig getIndexWriterConfig()
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getQuerySerializer
public MonitorQuerySerializer getQuerySerializer()
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setQueryDecomposer
public MonitorConfiguration setQueryDecomposer(QueryDecomposer queryDecomposer)
Set the QueryDecomposer to be used by the Monitor- Parameters:
queryDecomposer
- the QueryDecomposer to be used by the Monitor- Returns:
- the current configuration
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getQueryDecomposer
public QueryDecomposer getQueryDecomposer()
- Returns:
- the QueryDecomposer used by the Monitor
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setPurgeFrequency
public MonitorConfiguration setPurgeFrequency(long frequency, TimeUnit units)
Set the frequency with with the Monitor's querycache will be garbage-collected- Parameters:
frequency
- the frequency valueunits
- the frequency units- Returns:
- the current configuration
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getPurgeFrequency
public long getPurgeFrequency()
- Returns:
- the value of Monitor's querycache garbage-collection frequency
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getPurgeFrequencyUnits
public TimeUnit getPurgeFrequencyUnits()
- Returns:
- Get the units of the Monitor's querycache garbage-collection frequency
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setQueryUpdateBufferSize
public MonitorConfiguration setQueryUpdateBufferSize(int size)
Set how many queries will be buffered in memory before being committed to the queryindex- Parameters:
size
- how many queries will be buffered in memory before being committed to the queryindex- Returns:
- the current configuration
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getQueryUpdateBufferSize
public int getQueryUpdateBufferSize()
- Returns:
- the size of the queryindex's in-memory buffer
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