org.seasar.doma.jdbc.dialect

Class StandardDialect.StandardExpressionFunctions

java.lang.Object

org.seasar.doma.jdbc.dialect.StandardDialect.StandardExpressionFunctions

All Implemented Interfaces:

ExpressionFunctions

Direct Known Subclasses:

Db2Dialect.Db2ExpressionFunctions, H212126Dialect.H212126ExpressionFunctions, HsqldbDialect.HsqldbExpressionFunctions, Mssql2008Dialect.Mssql2008ExpressionFunctions, MysqlDialect.MysqlExpressionFunctions, Oracle11Dialect.Oracle11ExpressionFunctions, PostgresDialect.PostgresExpressionFunctions, SqliteDialect.SqliteExpressionFunctions

Enclosing class:

StandardDialect

public static class StandardDialect.StandardExpressionFunctions
extends java.lang.Object
implements ExpressionFunctions

A standard implementation of ExpressionFunctions.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	defaultReplacement the default replacement string for wild card characters
protected java.util.regex.Pattern	defaultWildcardReplacementPattern the default pattern for escape wild card characters
protected char	escapeChar the escape character for the SQL LIKE operator
protected char[]	wildcards the wild card characters for the SQL LIKE operator

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	StandardExpressionFunctions()
protected	StandardExpressionFunctions(char[] wildcards)
protected	StandardExpressionFunctions(char escapeChar, char[] wildcards)
protected	StandardExpressionFunctions(char escapeChar, char[] wildcards, java.util.regex.Pattern defaultWildcardReplacementPattern, java.lang.String defaultReplacement)

Method Summary

Modifier and Type	Method and Description
protected java.lang.String	createWildcardReplacement(char escapeChar) Create the replacement string that replaces wild card characters.
protected java.util.regex.Pattern	createWildcardReplacementPattern(char escapeChar, char[] wildcards) Creates the regular expression pattern that is represents the wild card characters .
java.lang.String	escape(java.lang.CharSequence text) Escapes the SQL LIKE wild card characters in a target string by using the default escape character.
java.lang.String	escape(java.lang.CharSequence text, char escapeChar) Escapes the SQL LIKE wild card characters in a target string by using a specified escape character.
protected java.lang.String	escapeWildcard(java.lang.CharSequence input, char escapeChar) Escapes wild card characters.
protected java.lang.String	escapeWildcard(java.util.regex.Pattern pattern, java.lang.CharSequence input, java.lang.String replacement) Escapes wild card characters with the regular expression.
java.lang.String	infix(java.lang.CharSequence text) Escapes the SQL LIKE wild card characters in a target string by using the default escape character '$' and generate a text to perform a infix search for the SQL LIKE operator.
java.lang.String	infix(java.lang.CharSequence text, char escapeChar) Escapes the SQL LIKE wild card characters in a target string by using a specified escape character and generate a text to perform a infix search for the SQL LIKE operator.
boolean	isBlank(java.lang.CharSequence charSequence) Whether a text is blank.
boolean	isEmpty(java.lang.CharSequence charSequence) Whether a text is empty.
boolean	isNotBlank(java.lang.CharSequence charSequence) Whether a text is not blank.
boolean	isNotEmpty(java.lang.CharSequence charSequence) Whether a text is not empty.
protected java.util.Calendar	makeRoundedDownCalendar(java.util.Date date)
protected java.util.Calendar	makeRoundedDownClandar(java.util.Date date) Deprecated. Use makeRoundedDownCalendar(java.util.Date) instead
protected java.util.Calendar	makeRoundedUpCalendar(java.util.Date date)
protected java.util.Calendar	makeRoundedUpClandar(java.util.Date date) Deprecated. Use makeRoundedUpCalendar(java.util.Date) instead
java.lang.String	prefix(java.lang.CharSequence text) Escapes the SQL LIKE wild card characters in a target string by using the default escape character '$' and generate a text to perform a prefix search for the SQL Like operator.
java.lang.String	prefix(java.lang.CharSequence text, char escapeChar) Escapes the SQL LIKE wild card characters in a target string by using a specified escape character and generate a text to perform a prefix search for the SQL LIKE operator.
java.util.Date	roundDownTimePart(java.util.Date date) Round down a time part of Date.
java.sql.Date	roundDownTimePart(java.sql.Date date) Round down a time part of Date.
java.time.LocalDateTime	roundDownTimePart(java.time.LocalDateTime localDateTime) Round down a time part of LocalDateTime.
java.sql.Timestamp	roundDownTimePart(java.sql.Timestamp timestamp) Round down a time part of Timestamp.
java.util.Date	roundUpTimePart(java.util.Date date) Round up a time part of Date.
java.sql.Date	roundUpTimePart(java.sql.Date date) Round up a time part of Date.
java.time.LocalDate	roundUpTimePart(java.time.LocalDate localDate) Return the next day.
java.time.LocalDateTime	roundUpTimePart(java.time.LocalDateTime localDateTime) Round up a time part of LocalDateTime.
java.sql.Timestamp	roundUpTimePart(java.sql.Timestamp timestamp) Round up a time part of Timestamp.
java.lang.String	suffix(java.lang.CharSequence text) Escapes the SQL LIKE wild card characters in a target string by using the default escape character '$' and generate a text to perform a suffix search for the SQL LIKE operator.
java.lang.String	suffix(java.lang.CharSequence text, char escapeChar) Escapes the SQL LIKE wild card characters in a target string by using a specified escape character and generate a text to perform a suffix search for the SQL LIKE operator.

Methods inherited from class java.lang.Object

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

Field Detail

escapeChar

protected final char escapeChar

the escape character for the SQL LIKE operator

wildcards

protected final char[] wildcards

the wild card characters for the SQL LIKE operator

defaultWildcardReplacementPattern

protected final java.util.regex.Pattern defaultWildcardReplacementPattern

the default pattern for escape wild card characters

defaultReplacement

protected final java.lang.String defaultReplacement

the default replacement string for wild card characters

Constructor Detail

StandardExpressionFunctions

protected StandardExpressionFunctions()

StandardExpressionFunctions

protected StandardExpressionFunctions(char[] wildcards)

Parameters:

wildcards - the wild card characters for the SQL LIKE operator

StandardExpressionFunctions

protected StandardExpressionFunctions(char escapeChar,
                                      char[] wildcards)

Parameters:

escapeChar - the escape character for the SQL LIKE operator

wildcards - the wild card characters for the SQL LIKE operator

StandardExpressionFunctions

protected StandardExpressionFunctions(char escapeChar,
                                      char[] wildcards,
                                      java.util.regex.Pattern defaultWildcardReplacementPattern,
                                      java.lang.String defaultReplacement)

Parameters:

escapeChar - the escape character for the SQL LIKE operator

wildcards - the wild card characters for the SQL LIKE operator

defaultWildcardReplacementPattern - the default pattern for escape wild card characters

defaultReplacement - the default replacement string for wild card characters

Method Detail

escape

public java.lang.String escape(java.lang.CharSequence text,
                               char escapeChar)

Description copied from interface: ExpressionFunctions

Escapes the SQL LIKE wild card characters in a target string by using a specified escape character.

Specified by:

escape in interface ExpressionFunctions

Parameters:

text - the target text

escapeChar - the escape character

Returns:

the escaped text

escape

public java.lang.String escape(java.lang.CharSequence text)

Description copied from interface: ExpressionFunctions

Escapes the SQL LIKE wild card characters in a target string by using the default escape character.

For example, a%b_ is converted to the a a$%b$_.

Specified by:

escape in interface ExpressionFunctions

Parameters:

text - the target text

Returns:

the escaped text

prefix

public java.lang.String prefix(java.lang.CharSequence text)

Description copied from interface: ExpressionFunctions

Escapes the SQL LIKE wild card characters in a target string by using the default escape character '$' and generate a text to perform a prefix search for the SQL Like operator.

For example, a%b_ is converted to the a a$%b$_%.

Specified by:

prefix in interface ExpressionFunctions

Parameters:

text - the prefix text

Returns:

the text for a prefix search

prefix

public java.lang.String prefix(java.lang.CharSequence text,
                               char escapeChar)

Description copied from interface: ExpressionFunctions

Escapes the SQL LIKE wild card characters in a target string by using a specified escape character and generate a text to perform a prefix search for the SQL LIKE operator.

Specified by:

prefix in interface ExpressionFunctions

Parameters:

text - the prefixed text

escapeChar - the escape character

Returns:

the text for a prefix search

suffix

public java.lang.String suffix(java.lang.CharSequence text)

Description copied from interface: ExpressionFunctions

Escapes the SQL LIKE wild card characters in a target string by using the default escape character '$' and generate a text to perform a suffix search for the SQL LIKE operator.

For example, a%b_ is converted to the a %a$%b$_.

Specified by:

suffix in interface ExpressionFunctions

Parameters:

text - the suffix text

Returns:

the text for a suffix search

suffix

public java.lang.String suffix(java.lang.CharSequence text,
                               char escapeChar)

Description copied from interface: ExpressionFunctions

Escapes the SQL LIKE wild card characters in a target string by using a specified escape character and generate a text to perform a suffix search for the SQL LIKE operator.

Specified by:

suffix in interface ExpressionFunctions

Parameters:

text - the suffix text

escapeChar - the escape character

Returns:

the text for a suffix search

infix

public java.lang.String infix(java.lang.CharSequence text)

Description copied from interface: ExpressionFunctions

Escapes the SQL LIKE wild card characters in a target string by using the default escape character '$' and generate a text to perform a infix search for the SQL LIKE operator.

For example, a%b_ is converted to the a %a$%b$_%.

Specified by:

infix in interface ExpressionFunctions

Parameters:

text - the infix text

Returns:

the text for a infix search

infix

public java.lang.String infix(java.lang.CharSequence text,
                              char escapeChar)

Description copied from interface: ExpressionFunctions

Escapes the SQL LIKE wild card characters in a target string by using a specified escape character and generate a text to perform a infix search for the SQL LIKE operator.

Specified by:

infix in interface ExpressionFunctions

Parameters:

text - the infix text

escapeChar - the escape character

Returns:

the text for a infix search

escapeWildcard

protected java.lang.String escapeWildcard(java.lang.CharSequence input,
                                          char escapeChar)

Escapes wild card characters.

Parameters:

input - the target string for escaping

escapeChar - the escape character

Returns:

the escaped string

escapeWildcard

protected java.lang.String escapeWildcard(java.util.regex.Pattern pattern,
                                          java.lang.CharSequence input,
                                          java.lang.String replacement)

Escapes wild card characters with the regular expression.

Parameters:

pattern - the regular expression pattern

input - the target string for escaping

replacement - the replacement string

Returns:

the escaped string

roundDownTimePart

public java.util.Date roundDownTimePart(java.util.Date date)

Description copied from interface: ExpressionFunctions

Round down a time part of Date.

Specified by:

roundDownTimePart in interface ExpressionFunctions

Parameters:

date - the target date

Returns:

the date whose time part is rounded down

roundDownTimePart

public java.sql.Date roundDownTimePart(java.sql.Date date)

Description copied from interface: ExpressionFunctions

Round down a time part of Date.

Specified by:

roundDownTimePart in interface ExpressionFunctions

Parameters:

date - the target date

Returns:

the date whose time part is rounded down

roundDownTimePart

public java.sql.Timestamp roundDownTimePart(java.sql.Timestamp timestamp)

Description copied from interface: ExpressionFunctions

Round down a time part of Timestamp.

Specified by:

roundDownTimePart in interface ExpressionFunctions

Parameters:

timestamp - the target timestamp

Returns:

the timestamp whose time part is rounded down

roundDownTimePart

public java.time.LocalDateTime roundDownTimePart(java.time.LocalDateTime localDateTime)

Description copied from interface: ExpressionFunctions

Round down a time part of LocalDateTime.

Specified by:

roundDownTimePart in interface ExpressionFunctions

Parameters:

localDateTime - the target localDateTime

Returns:

the localDateTime whose time part is rounded down

makeRoundedDownCalendar

protected java.util.Calendar makeRoundedDownCalendar(java.util.Date date)

makeRoundedDownClandar

@Deprecated
protected java.util.Calendar makeRoundedDownClandar(java.util.Date date)

Deprecated. Use makeRoundedDownCalendar(java.util.Date) instead

Parameters:

date - the date

Returns:

the calender

roundUpTimePart

public java.util.Date roundUpTimePart(java.util.Date date)

Description copied from interface: ExpressionFunctions

Round up a time part of Date.

Specified by:

roundUpTimePart in interface ExpressionFunctions

Parameters:

date - the target date

Returns:

the date whose time part is rounded up

roundUpTimePart

public java.sql.Date roundUpTimePart(java.sql.Date date)

Description copied from interface: ExpressionFunctions

Round up a time part of Date.

Specified by:

roundUpTimePart in interface ExpressionFunctions

Parameters:

date - the target date

Returns:

the date whose time part is rounded up

roundUpTimePart

public java.sql.Timestamp roundUpTimePart(java.sql.Timestamp timestamp)

Description copied from interface: ExpressionFunctions

Round up a time part of Timestamp.

Specified by:

roundUpTimePart in interface ExpressionFunctions

Parameters:

timestamp - the target timestamp

Returns:

the timestamp whose time part is rounded up

roundUpTimePart

public java.time.LocalDate roundUpTimePart(java.time.LocalDate localDate)

Description copied from interface: ExpressionFunctions

Return the next day.

Specified by:

roundUpTimePart in interface ExpressionFunctions

Parameters:

localDate - the target localDate

Returns:

the next day

roundUpTimePart

public java.time.LocalDateTime roundUpTimePart(java.time.LocalDateTime localDateTime)

Description copied from interface: ExpressionFunctions

Round up a time part of LocalDateTime.

Specified by:

roundUpTimePart in interface ExpressionFunctions

Parameters:

localDateTime - the target localDateTime

Returns:

the localDateTime whose time part is rounded up

makeRoundedUpCalendar

protected java.util.Calendar makeRoundedUpCalendar(java.util.Date date)

makeRoundedUpClandar

@Deprecated
protected java.util.Calendar makeRoundedUpClandar(java.util.Date date)

Deprecated. Use makeRoundedUpCalendar(java.util.Date) instead

Parameters:

date - the date

Returns:

the calender

createWildcardReplacementPattern

protected java.util.regex.Pattern createWildcardReplacementPattern(char escapeChar,
                                                                   char[] wildcards)

Creates the regular expression pattern that is represents the wild card characters .

Parameters:

escapeChar - the escape character

wildcards - the wild card character

Returns:

the pattern

createWildcardReplacement

protected java.lang.String createWildcardReplacement(char escapeChar)

Create the replacement string that replaces wild card characters.

Parameters:

escapeChar - the escape character

Returns:

the replacement string

isEmpty

public boolean isEmpty(java.lang.CharSequence charSequence)

Description copied from interface: ExpressionFunctions

Whether a text is empty.

Specified by:

isEmpty in interface ExpressionFunctions

Parameters:

charSequence - the target text

Returns:

true if the text is null or its length is 0, else false

isNotEmpty

public boolean isNotEmpty(java.lang.CharSequence charSequence)

Description copied from interface: ExpressionFunctions

Whether a text is not empty.

Specified by:

isNotEmpty in interface ExpressionFunctions

Parameters:

charSequence - the target text

Returns:

false if the text is null or its length is 0, else true

isBlank

public boolean isBlank(java.lang.CharSequence charSequence)

Description copied from interface: ExpressionFunctions

Whether a text is blank.

Specified by:

isBlank in interface ExpressionFunctions

Parameters:

charSequence - the target text

Returns:

true if the text is null, its length is 0 or the text contains only blank characters, else false.

isNotBlank

public boolean isNotBlank(java.lang.CharSequence charSequence)

Description copied from interface: ExpressionFunctions

Whether a text is not blank.

Specified by:

isNotBlank in interface ExpressionFunctions

Parameters:

charSequence - the target text

Returns:

false if the text is null, its length is 0 or the text contains only blank characters, else true.