org.apache.drill.exec.store.sys

Class ProfileIterator

java.lang.Object

org.apache.drill.exec.store.sys.ProfileIterator

All Implemented Interfaces:

Iterator<Object>

Direct Known Subclasses:

ProfileInfoIterator, ProfileJsonIterator

public abstract class ProfileIterator
extends Object
implements Iterator<Object>

Base class for Profile Iterators

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isAdmin
protected QueryProfileStoreContext	profileStoreContext
protected String	queryingUsername

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ProfileIterator(ExecutorFragmentContext context, int maxRecords)

Method Summary

Modifier and Type	Method and Description
protected long	computeDuration(long startTime, long endTime)
protected Iterator<Map.Entry<String,UserBitShared.QueryProfile>>	getAuthorizedProfiles(String username, boolean isAdministrator)
protected abstract Iterator<Map.Entry<String,UserBitShared.QueryProfile>>	getProfiles(int skip, int take) Returns profiles based of given range.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Field Detail

profileStoreContext

protected final QueryProfileStoreContext profileStoreContext

queryingUsername

protected final String queryingUsername

isAdmin

protected final boolean isAdmin

Constructor Detail

ProfileIterator

protected ProfileIterator(ExecutorFragmentContext context,
                          int maxRecords)

Method Detail

getAuthorizedProfiles

protected Iterator<Map.Entry<String,UserBitShared.QueryProfile>> getAuthorizedProfiles(String username,
                                                                                       boolean isAdministrator)

computeDuration

protected long computeDuration(long startTime,
                               long endTime)

getProfiles

protected abstract Iterator<Map.Entry<String,UserBitShared.QueryProfile>> getProfiles(int skip,
                                                                                      int take)

Returns profiles based of given range.

Parameters:

skip - number of profiles to skip

take - number of profiles to return

Returns:

profiles iterator