Examples with HdfsFileStatus org.apache.hadoop.hdfs.protocol.HdfsFileStatus used on opensource projects

Example 11 with HdfsFileStatus

use of org.apache.hadoop.hdfs.protocol.HdfsFileStatus in project hadoop by apache.

the class FSNamesystem method modifyAclEntries.

void modifyAclEntries(final String src, List<AclEntry> aclSpec) throws IOException {
    final String operationName = "modifyAclEntries";
    HdfsFileStatus auditStat = null;
    checkOperation(OperationCategory.WRITE);
    writeLock();
    try {
        checkOperation(OperationCategory.WRITE);
        checkNameNodeSafeMode("Cannot modify ACL entries on " + src);
        auditStat = FSDirAclOp.modifyAclEntries(dir, src, aclSpec);
    } catch (AccessControlException e) {
        logAuditEvent(false, operationName, src);
        throw e;
    } finally {
        writeUnlock(operationName);
    }
    getEditLog().logSync();
    logAuditEvent(true, operationName, src, null, auditStat);
}

Example 12 with HdfsFileStatus

use of org.apache.hadoop.hdfs.protocol.HdfsFileStatus in project hadoop by apache.

the class FSNamesystem method setOwner.

/**
   * Set owner for an existing file.
   * @throws IOException
   */
void setOwner(String src, String username, String group) throws IOException {
    final String operationName = "setOwner";
    HdfsFileStatus auditStat;
    checkOperation(OperationCategory.WRITE);
    writeLock();
    try {
        checkOperation(OperationCategory.WRITE);
        checkNameNodeSafeMode("Cannot set owner for " + src);
        auditStat = FSDirAttrOp.setOwner(dir, src, username, group);
    } catch (AccessControlException e) {
        logAuditEvent(false, operationName, src);
        throw e;
    } finally {
        writeUnlock(operationName);
    }
    getEditLog().logSync();
    logAuditEvent(true, operationName, src, null, auditStat);
}

Example 13 with HdfsFileStatus

use of org.apache.hadoop.hdfs.protocol.HdfsFileStatus in project hadoop by apache.

the class FSNamesystem method unsetStoragePolicy.

/**
   * unset storage policy set for a given file or a directory.
   *
   * @param src file/directory path
   */
void unsetStoragePolicy(String src) throws IOException {
    final String operationName = "unsetStoragePolicy";
    HdfsFileStatus auditStat;
    checkOperation(OperationCategory.WRITE);
    writeLock();
    try {
        checkOperation(OperationCategory.WRITE);
        checkNameNodeSafeMode("Cannot unset storage policy for " + src);
        auditStat = FSDirAttrOp.unsetStoragePolicy(dir, blockManager, src);
    } catch (AccessControlException e) {
        logAuditEvent(false, operationName, src);
        throw e;
    } finally {
        writeUnlock(operationName);
    }
    getEditLog().logSync();
    logAuditEvent(true, operationName, src, null, auditStat);
}

Example 14 with HdfsFileStatus

use of org.apache.hadoop.hdfs.protocol.HdfsFileStatus in project hadoop by apache.

the class FSNamesystem method removeAclEntries.

void removeAclEntries(final String src, List<AclEntry> aclSpec) throws IOException {
    final String operationName = "removeAclEntries";
    checkOperation(OperationCategory.WRITE);
    HdfsFileStatus auditStat = null;
    writeLock();
    try {
        checkOperation(OperationCategory.WRITE);
        checkNameNodeSafeMode("Cannot remove ACL entries on " + src);
        auditStat = FSDirAclOp.removeAclEntries(dir, src, aclSpec);
    } catch (AccessControlException e) {
        logAuditEvent(false, operationName, src);
        throw e;
    } finally {
        writeUnlock(operationName);
    }
    getEditLog().logSync();
    logAuditEvent(true, operationName, src, null, auditStat);
}

Example 15 with HdfsFileStatus

use of org.apache.hadoop.hdfs.protocol.HdfsFileStatus in project hadoop by apache.

the class FSNamesystem method unsetErasureCodingPolicy.

/**
   * Unset an erasure coding policy from the given path.
   * @param srcArg  The path of the target directory.
   * @throws AccessControlException  if the caller is not the superuser.
   * @throws UnresolvedLinkException if the path can't be resolved.
   * @throws SafeModeException       if the Namenode is in safe mode.
   */
void unsetErasureCodingPolicy(final String srcArg, final boolean logRetryCache) throws IOException, UnresolvedLinkException, SafeModeException, AccessControlException {
    final String operationName = "unsetErasureCodingPolicy";
    checkOperation(OperationCategory.WRITE);
    HdfsFileStatus resultingStat = null;
    final FSPermissionChecker pc = getPermissionChecker();
    boolean success = false;
    writeLock();
    try {
        checkOperation(OperationCategory.WRITE);
        checkNameNodeSafeMode("Cannot unset erasure coding policy on " + srcArg);
        resultingStat = FSDirErasureCodingOp.unsetErasureCodingPolicy(this, srcArg, pc, logRetryCache);
        success = true;
    } catch (AccessControlException ace) {
        logAuditEvent(success, operationName, srcArg, null, resultingStat);
        throw ace;
    } finally {
        writeUnlock(operationName);
        if (success) {
            getEditLog().logSync();
        }
    }
    logAuditEvent(success, operationName, srcArg, null, resultingStat);
}