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java.lang.Object org.apache.solr.core.SolrResourceLoader
public class SolrResourceLoader
Field Summary | |
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protected URLClassLoader |
classLoader
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static org.slf4j.Logger |
log
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Constructor Summary | |
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SolrResourceLoader(String instanceDir)
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SolrResourceLoader(String instanceDir,
ClassLoader parent)
This loader will delegate to the context classloader when possible, otherwise it will attempt to resolve resources using any jar files found in the "lib/" directory in the specified instance directory. |
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SolrResourceLoader(String instanceDir,
ClassLoader parent,
Properties coreProperties)
This loader will delegate to the context classloader when possible, otherwise it will attempt to resolve resources using any jar files found in the "lib/" directory in the specified instance directory. |
Method Summary | ||
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void |
close()
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findClass(String cname,
Class<T> expectedType)
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findClass(String cname,
Class<T> expectedType,
String... subpackages)
This method loads a class either with it's FQN or a short-name (solr.class-simplename or class-simplename). |
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ClassLoader |
getClassLoader()
EXPERT The underlying class loader. |
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String |
getConfigDir()
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Properties |
getCoreProperties()
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String |
getDataDir()
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String |
getInstanceDir()
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List<String> |
getLines(String resource)
Accesses a resource by name and returns the (non comment) lines containing data. |
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List<String> |
getLines(String resource,
Charset charset)
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List<String> |
getLines(String resource,
String encoding)
Accesses a resource by name and returns the (non comment) lines containing data using the given character encoding. |
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void |
inform(Map<String,SolrInfoMBean> infoRegistry)
Register any SolrInfoMBean s |
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void |
inform(ResourceLoader loader)
Tell all ResourceLoaderAware instances about the loader |
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void |
inform(SolrCore core)
Tell all SolrCoreAware instances about the SolrCore |
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String[] |
listConfigDir()
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static String |
locateSolrHome()
Finds the solrhome based on looking up the value in one of three places: JNDI: via java:comp/env/solr/home The system property solr.solr.home Look in the current working directory for a solr/ directory The return value is normalized. |
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CoreAdminHandler |
newAdminHandlerInstance(CoreContainer coreContainer,
String cname,
String... subpackages)
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newInstance(String name,
Class<T> expectedType)
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newInstance(String cname,
Class<T> expectedType,
String... subpackages)
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newInstance(String cName,
Class<T> expectedType,
String[] subPackages,
Class[] params,
Object[] args)
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static String |
normalizeDir(String path)
Ensures a directory name always ends with a '/'. |
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InputStream |
openConfig(String name)
Opens a config resource by its name. |
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InputStream |
openResource(String resource)
Opens any resource by its name. |
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InputStream |
openSchema(String name)
Opens a schema resource by its name. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final org.slf4j.Logger log
protected URLClassLoader classLoader
Constructor Detail |
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public SolrResourceLoader(String instanceDir, ClassLoader parent, Properties coreProperties)
This loader will delegate to the context classloader when possible, otherwise it will attempt to resolve resources using any jar files found in the "lib/" directory in the specified instance directory.
instanceDir
- - base directory for this resource loader, if null locateSolrHome() will be used.locateSolrHome()
public SolrResourceLoader(String instanceDir, ClassLoader parent)
This loader will delegate to the context classloader when possible, otherwise it will attempt to resolve resources using any jar files found in the "lib/" directory in the specified instance directory. If the instance directory is not specified (=null), SolrResourceLoader#locateInstanceDir will provide one.
public SolrResourceLoader(String instanceDir)
Method Detail |
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public static String normalizeDir(String path)
public String[] listConfigDir()
public String getConfigDir()
public String getDataDir()
public Properties getCoreProperties()
public ClassLoader getClassLoader()
ClassLoader
public InputStream openSchema(String name) throws IOException
IOException
public InputStream openConfig(String name) throws IOException
IOException
public InputStream openResource(String resource) throws IOException
openResource
in interface ResourceLoader
IOException
public List<String> getLines(String resource) throws IOException
A comment line is any line that starts with the character "#"
IOException
- If there is a low-level I/O error.public List<String> getLines(String resource, String encoding) throws IOException
A comment line is any line that starts with the character "#"
resource
- the file to be read
IOException
- If there is a low-level I/O error.public List<String> getLines(String resource, Charset charset) throws IOException
IOException
public <T> Class<? extends T> findClass(String cname, Class<T> expectedType)
findClass
in interface ResourceLoader
public <T> Class<? extends T> findClass(String cname, Class<T> expectedType, String... subpackages)
cname
- The name or the short name of the class.subpackages
- the packages to be tried if the cname starts with solr.
public <T> T newInstance(String name, Class<T> expectedType)
newInstance
in interface ResourceLoader
public <T> T newInstance(String cname, Class<T> expectedType, String... subpackages)
public CoreAdminHandler newAdminHandlerInstance(CoreContainer coreContainer, String cname, String... subpackages)
public <T> T newInstance(String cName, Class<T> expectedType, String[] subPackages, Class[] params, Object[] args)
public void inform(SolrCore core)
SolrCoreAware
instances about the SolrCore
public void inform(ResourceLoader loader) throws IOException
ResourceLoaderAware
instances about the loader
IOException
public void inform(Map<String,SolrInfoMBean> infoRegistry)
SolrInfoMBean
s
infoRegistry
- The Info Registrypublic static String locateSolrHome()
normalizeDir(String)
public String getInstanceDir()
public void close() throws IOException
close
in interface Closeable
IOException
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