Package org.apache.calcite.jdbc

Class JavaCollation

java.lang.Object

org.apache.calcite.sql.SqlCollation

org.apache.calcite.jdbc.JavaCollation

All Implemented Interfaces:

Serializable

public class JavaCollation
extends SqlCollation

Collation that uses a specific Collator for comparison.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.sql.SqlCollation

SqlCollation.Coercibility

Field Summary

Fields inherited from class org.apache.calcite.sql.SqlCollation

COERCIBLE, collationName, IMPLICIT, locale, strength, wrappedCharset

Constructor Summary

Constructors

Constructor	Description
JavaCollation(SqlCollation.Coercibility coercibility, Locale locale, Charset charset, int strength)

Method Summary

Modifier and Type	Method	Description
protected String	generateCollationName(Charset charset)
@Nullable Collator	getCollator()	Returns the Collator to compare values having the current collation, or null if no specific Collator is needed, in which case String.compareTo(java.lang.String) will be used.

Methods inherited from class org.apache.calcite.sql.SqlCollation

equals, getCharset, getCoercibility, getCoercibilityDyadic, getCoercibilityDyadicComparison, getCoercibilityDyadicOperator, getCoercibilityDyadicOperatorThrows, getCollationName, getLocale, hashCode, toString, unparse

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

JavaCollation

public JavaCollation(SqlCollation.Coercibility coercibility,
 Locale locale,
 Charset charset,
 int strength)

Method Details

generateCollationName

protected String generateCollationName(@UnderInitialization JavaCollation this,
 Charset charset)

Overrides:

generateCollationName in class SqlCollation

getCollator

public @Nullable Collator getCollator()

Description copied from class: SqlCollation

Returns the Collator to compare values having the current collation, or null if no specific Collator is needed, in which case String.compareTo(java.lang.String) will be used.

Overrides:

getCollator in class SqlCollation