org.apache.iotdb.tsfile.read.filter

Class TimeFilter

java.lang.Object

org.apache.iotdb.tsfile.read.filter.TimeFilter

public class TimeFilter
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TimeFilter.TimeEq
static class	TimeFilter.TimeGt
static class	TimeFilter.TimeGtEq
static class	TimeFilter.TimeIn
static class	TimeFilter.TimeLt
static class	TimeFilter.TimeLtEq
static class	TimeFilter.TimeNotEq
static class	TimeFilter.TimeNotFilter

Method Summary

Modifier and Type	Method and Description
static Filter	defaultTimeFilter(boolean ascending) returns a default time filter by whether it's an ascending query.
static TimeFilter.TimeEq	eq(long value)
static TimeFilter.TimeGt	gt(long value)
static TimeFilter.TimeGtEq	gtEq(long value)
static TimeFilter.TimeIn	in(Set<Long> values, boolean not)
static TimeFilter.TimeLt	lt(long value)
static TimeFilter.TimeLtEq	ltEq(long value)
static TimeFilter.TimeNotFilter	not(Filter filter)
static TimeFilter.TimeNotEq	notEq(long value)

Methods inherited from class java.lang.Object

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

Method Detail

eq

public static TimeFilter.TimeEq eq(long value)

gt

public static TimeFilter.TimeGt gt(long value)

gtEq

public static TimeFilter.TimeGtEq gtEq(long value)

lt

public static TimeFilter.TimeLt lt(long value)

ltEq

public static TimeFilter.TimeLtEq ltEq(long value)

not

public static TimeFilter.TimeNotFilter not(Filter filter)

notEq

public static TimeFilter.TimeNotEq notEq(long value)

in

public static TimeFilter.TimeIn in(Set<Long> values,
                                   boolean not)

defaultTimeFilter

public static Filter defaultTimeFilter(boolean ascending)

returns a default time filter by whether it's an ascending query.

If the data is read in descending order, we use the largest timestamp to set to the filter, so the filter should be TimeLtEq. If the data is read in ascending order, we use the smallest timestamp to set to the filter, so the filter should be TimeGtEq.