org.apache.hadoop.registry.client.impl.zk.CuratorService.createFullPath java code examples

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/**
 * Read data on a path
 * @param path path of operation
 * @return the data
 * @throws IOException read failure
 */
public byte[] zkRead(String path) throws IOException {
 checkServiceLive();
 String fullpath = createFullPath(path);
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("Reading {}", fullpath);
  }
  return curator.getData().forPath(fullpath);
 } catch (Exception e) {
  throw operationFailure(fullpath, "read()", e);
 }
}

/**
 * Read data on a path.
 *
 * @param path path of operation
 * @return the data
 * @throws IOException read failure
 */
public byte[] zkRead(String path) throws IOException {
 checkServiceLive();
 String fullpath = createFullPath(path);
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("Reading {}", fullpath);
  }
  return curator.getData().forPath(fullpath);
 } catch (Exception e) {
  throw operationFailure(fullpath, "read()", e);
 }
}

/**
 * List all children of a path
 * @param path path of operation
 * @return a possibly empty list of children
 * @throws IOException
 */
public List<String> zkList(String path) throws IOException {
 checkServiceLive();
 String fullpath = createFullPath(path);
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("ls {}", fullpath);
  }
  GetChildrenBuilder builder = curator.getChildren();
  List<String> children = builder.forPath(fullpath);
  return children;
 } catch (Exception e) {
  throw operationFailure(path, "ls()", e);
 }
}

/**
 * List all children of a path.
 *
 * @param path path of operation
 * @return a possibly empty list of children
 * @throws IOException
 */
public List<String> zkList(String path) throws IOException {
 checkServiceLive();
 String fullpath = createFullPath(path);
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("ls {}", fullpath);
  }
  GetChildrenBuilder builder = curator.getChildren();
  List<String> children = builder.forPath(fullpath);
  return children;
 } catch (Exception e) {
  throw operationFailure(path, "ls()", e);
 }
}

/**
 * Update the data for a path
 * @param path path of operation
 * @param data new data
 * @throws IOException
 */
public void zkUpdate(String path, byte[] data) throws IOException {
 Preconditions.checkArgument(data != null, "null data");
 checkServiceLive();
 path = createFullPath(path);
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("Updating {} with {} bytes", path, data.length);
  }
  curator.setData().forPath(path, data);
 } catch (Exception e) {
  throw operationFailure(path, "update()", e);
 }
}

/**
 * Update the data for a path.
 *
 * @param path path of operation
 * @param data new data
 * @throws IOException
 */
public void zkUpdate(String path, byte[] data) throws IOException {
 Preconditions.checkArgument(data != null, "null data");
 checkServiceLive();
 path = createFullPath(path);
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("Updating {} with {} bytes", path, data.length);
  }
  curator.setData().forPath(path, data);
 } catch (Exception e) {
  throw operationFailure(path, "update()", e);
 }
}

/**
 * Stat the file.
 *
 * @param path path of operation
 * @return a curator stat entry
 * @throws IOException           on a failure
 * @throws PathNotFoundException if the path was not found
 */
public Stat zkStat(String path) throws IOException {
 checkServiceLive();
 String fullpath = createFullPath(path);
 Stat stat;
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("Stat {}", fullpath);
  }
  stat = curator.checkExists().forPath(fullpath);
 } catch (Exception e) {
  throw operationFailure(fullpath, "read()", e);
 }
 if (stat == null) {
  throw new PathNotFoundException(path);
 }
 return stat;
}

/**
 * Stat the file
 * @param path path of operation
 * @return a curator stat entry
 * @throws IOException on a failure
 * @throws PathNotFoundException if the path was not found
 */
public Stat zkStat(String path) throws IOException {
 checkServiceLive();
 String fullpath = createFullPath(path);
 Stat stat;
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("Stat {}", fullpath);
  }
  stat = curator.checkExists().forPath(fullpath);
 } catch (Exception e) {
  throw operationFailure(fullpath, "read()", e);
 }
 if (stat == null) {
  throw new PathNotFoundException(path);
 }
 return stat;
}

/**
 * Create a path with given data. byte[0] is used for a path
 * without data
 * @param path path of operation
 * @param data initial data
 * @param acls
 * @throws IOException
 */
public void zkCreate(String path,
  CreateMode mode,
  byte[] data,
  List<ACL> acls) throws IOException {
 Preconditions.checkArgument(data != null, "null data");
 checkServiceLive();
 String fullpath = createFullPath(path);
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("Creating {} with {} bytes of data and ACL {}",
     fullpath, data.length,
     new RegistrySecurity.AclListInfo(acls));
  }
  curator.create().withMode(mode).withACL(acls).forPath(fullpath, data);
 } catch (Exception e) {
  throw operationFailure(fullpath, "create()", e, acls);
 }
}

 throws IOException {
checkServiceLive();
path = createFullPath(path);
if (acls == null || acls.isEmpty()) {
 throw new NoPathPermissionsException(path, "Empty ACL list");

/**
 * Create a path with given data. byte[0] is used for a path
 * without data.
 *
 * @param path path of operation
 * @param data initial data
 * @param acls
 * @throws IOException
 */
public void zkCreate(String path,
  CreateMode mode,
  byte[] data,
  List<ACL> acls) throws IOException {
 Preconditions.checkArgument(data != null, "null data");
 checkServiceLive();
 String fullpath = createFullPath(path);
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("Creating {} with {} bytes of data and ACL {}",
     fullpath, data.length,
     new RegistrySecurity.AclListInfo(acls));
  }
  curator.create().withMode(mode).withACL(acls).forPath(fullpath, data);
 } catch (Exception e) {
  throw operationFailure(fullpath, "create()", e, acls);
 }
}

/**
 * Get the ACLs of a path
 * @param path path of operation
 * @return a possibly empty list of ACLs
 * @throws IOException
 */
public List<ACL> zkGetACLS(String path) throws IOException {
 checkServiceLive();
 String fullpath = createFullPath(path);
 List<ACL> acls;
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("GetACLS {}", fullpath);
  }
  acls = curator.getACL().forPath(fullpath);
 } catch (Exception e) {
  throw operationFailure(fullpath, "read()", e);
 }
 if (acls == null) {
  throw new PathNotFoundException(path);
 }
 return acls;
}

 BackgroundCallback backgroundCallback) throws IOException {
checkServiceLive();
String fullpath = createFullPath(path);
try {
 if (LOG.isDebugEnabled()) {

/**
 * Get the ACLs of a path.
 *
 * @param path path of operation
 * @return a possibly empty list of ACLs
 * @throws IOException
 */
public List<ACL> zkGetACLS(String path) throws IOException {
 checkServiceLive();
 String fullpath = createFullPath(path);
 List<ACL> acls;
 try {
  if (LOG.isDebugEnabled()) {
   LOG.debug("GetACLS {}", fullpath);
  }
  acls = curator.getACL().forPath(fullpath);
 } catch (Exception e) {
  throw operationFailure(fullpath, "read()", e);
 }
 if (acls == null) {
  throw new PathNotFoundException(path);
 }
 return acls;
}

 throws IOException {
checkServiceLive();
path = createFullPath(path);
if (acls == null || acls.isEmpty()) {
 throw new NoPathPermissionsException(path, "Empty ACL list");

 BackgroundCallback backgroundCallback) throws IOException {
checkServiceLive();
String fullpath = createFullPath(path);
try {
 if (LOG.isDebugEnabled()) {

Javadoc

Create a full path from the registry root and the supplied subdir

Popular methods of CuratorService

zkPathExists
Probe for a path existing
bindingDiagnosticDetails
Get the binding diagnostics
dumpPath
Return a path dumper instance which can do a full dump of the registry tree in its toString() operat
zkCreate
Create a path with given data. byte[0] is used for a path without data
zkMkPath
Create a directory. It is not an error if it already exists
zkUpdate
Update the data for a path
<init>
Construct the service.
addService
buildConnectionString
Override point: get the connection string used to connect to the ZK service
buildSecurityDiagnostics
Build the security diagnostics string
checkServiceLive
Internal check that a service is in the live state
createCurator
Create a new curator instance off the root path; using configuration options provided in the service

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How to use createFullPathmethodin org.apache.hadoop.registry.client.impl.zk.CuratorService

Best Java code snippets using org.apache.hadoop.registry.client.impl.zk.CuratorService.createFullPath (Showing top 16 results out of 315)

How to use
createFullPath
method
in
org.apache.hadoop.registry.client.impl.zk.CuratorService