lucene-solr | Mirror of Apache Lucene & Solr | Search Engine library
kandi X-RAY | lucene-solr Summary
kandi X-RAY | lucene-solr Summary
lucene/ is a search engine library solr/ is a search engine server that uses lucene. To compile the sources run 'ant compile' To run all the tests run 'ant test' To setup your ide run 'ant idea', 'ant netbeans', or 'ant eclipse' For Maven info, see dev-tools/maven/README.maven. For more information on how to contribute see:
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Top functions reviewed by kandi - BETA
- Gets the field of a document
- Read positions
- Skip the specified number of bits
- Fills the block
- Performs the search
- Finds the best R1 of R1 from the current position
- Return true if r1 was found
- See S1
- Process the index vectors
- Returns a supplier that will generate StatsCollectors from the given IndexRequest
- Removes word
- Reads a dictionary and stores it in a dictionary
- Gets the next token from the regular expression
- Dumps an FST to a DOT language description
- Parse the version information from the reader
- Reads the Solr schema from the input stream
- This method handles the actual processing of the query
- Gets statistics about a UninvertedField
- Get Token
- Sets the seek position
- Builds the output
- Performs post processing
- The main method
- Invert the DTO
- Gets the counts
- Sets the offset to the specified target frame
lucene-solr Key Features
lucene-solr Examples and Code Snippets
Community Discussions
Trending Discussions on lucene-solr
QUESTION
I'm removing stop words from a String, using Apache's Lucene (8.6.3) and the following Java 8 code:
...ANSWER
Answered 2020-Oct-13 at 12:31I will tackle this in two parts:
- stop-words
- preserving original case
Handling the Combined Stop Words
To handle the combination of Lucene's English stop word list, plus your own custom list, you can create a merged list as follows:
QUESTION
I have a flow
that starts with a poller
and hands off the message to several async
flows downstream using task-executors
to execute in parallel
for a given dataset. A downstream aggregator
completes the flow and notifies the poller that the flow
is complete.
I would like to track
every execution of the poller by using MDC
so that the logs
can be mapped to a particular execution of the flow
.
I started by adding MDC
to the poller thread (using Advice
), however with this approach there could be a couple of issues:
- How do I stamp the
MDC
on the executor thread when theasync
hand off happens? - Since executor uses a a
thread pool
, do I need to clear theMDC
before thethread
returns to the pool? Will there be any side effects?
Another approach would be to add MDC
to the Message
header and set it manually on the new thread
during the async
handoff. How to do that? For example, if I turn on the debug
logs, the MDC
should be stamped right from the beginning of the new thread
execution and not from the point where my logic starts in the service activator
.
How to set this on the task-executor
thread (and probably also remove before returning to the pool) using XML
configuration? Something like an MdcAwareThreadPoolExecutor
seen here.
Also, I would not want the MDC
logic to be spread across all the async
handoff endpoints, may be there is some generic way to configure it?
Is there a better way to achieve this? Any known solutions?
...ANSWER
Answered 2020-Sep-25 at 15:05I would like to track every execution of the poller by using MDC so that the logs can be mapped to a particular execution of the flow.
It is fully sound as "you would like to track the message journey in your flow". As you noticed there is the way to set some message header. So, why just don't map your logs by this specific header?
You can take a look into Message History pattern how to gather the whole path for the message, so then in logs you can track it back looking into message headers.
If you really still insist on the MDC, then you definitely need to take a look into some MDCDelegatingExecutorDecorator. Some sample you can borrow from Spring Security and its
DelegatingSecurityContextExecutor`: https://docs.spring.io/spring-security/site/docs/5.4.0/reference/html5/#concurrency
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install lucene-solr
You can use lucene-solr like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the lucene-solr component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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