org.apache.shardingsphere.sql.parser.sql.common.util

类 SafeNumberOperationUtil

java.lang.Object

org.apache.shardingsphere.sql.parser.sql.common.util.SafeNumberOperationUtil

public final class SafeNumberOperationUtil
extends Object

Safe number operation utility class.

构造器概要

构造器

构造器和说明
SafeNumberOperationUtil()

方法概要

限定符和类型	方法和说明
static com.google.common.collect.Range<Comparable<?>>	safeClosed(Comparable<?> lowerEndpoint, Comparable<?> upperEndpoint) Execute range closed method by safe mode.
static boolean	safeCollectionEquals(Collection<Comparable<?>> sources, Collection<Comparable<?>> targets) Execute collection equals method by safe mode.
static boolean	safeContains(com.google.common.collect.Range<Comparable<?>> range, Comparable<?> endpoint) Execute range contains method by safe mode.
static com.google.common.collect.Range<Comparable<?>>	safeIntersection(com.google.common.collect.Range<Comparable<?>> range, com.google.common.collect.Range<Comparable<?>> connectedRange) Execute range intersection method by safe mode.
static boolean	safeRangeEquals(com.google.common.collect.Range<Comparable<?>> sourceRange, com.google.common.collect.Range<Comparable<?>> targetRange) Execute range equals method by safe mode.

从类继承的方法 java.lang.Object

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

构造器详细资料

SafeNumberOperationUtil

public SafeNumberOperationUtil()

方法详细资料

safeIntersection

public static com.google.common.collect.Range<Comparable<?>> safeIntersection(com.google.common.collect.Range<Comparable<?>> range,
                                                                              com.google.common.collect.Range<Comparable<?>> connectedRange)

Execute range intersection method by safe mode.

参数:

range - range

connectedRange - connected range

返回:

the intersection result of two ranges

safeClosed

public static com.google.common.collect.Range<Comparable<?>> safeClosed(Comparable<?> lowerEndpoint,
                                                                        Comparable<?> upperEndpoint)

Execute range closed method by safe mode.

参数:

lowerEndpoint - lower endpoint

upperEndpoint - upper endpoint

返回:

new range

safeContains

public static boolean safeContains(com.google.common.collect.Range<Comparable<?>> range,
                                   Comparable<?> endpoint)

Execute range contains method by safe mode.

参数:

range - range

endpoint - endpoint

返回:

whether the endpoint is included in the range

safeRangeEquals

public static boolean safeRangeEquals(com.google.common.collect.Range<Comparable<?>> sourceRange,
                                      com.google.common.collect.Range<Comparable<?>> targetRange)

Execute range equals method by safe mode.

参数:

sourceRange - source range

targetRange - target range

返回:

whether the source range and target range are same

safeCollectionEquals

public static boolean safeCollectionEquals(Collection<Comparable<?>> sources,
                                           Collection<Comparable<?>> targets)

Execute collection equals method by safe mode.

参数:

sources - source collection

targets - target collection

返回:

whether the element in source collection and target collection are all same