org.apache.cassandra.cql3

Class UserTypes

java.lang.Object

org.apache.cassandra.cql3.UserTypes

public abstract class UserTypes
extends java.lang.Object

Static helper methods and classes for user types.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UserTypes.DelayedValue
static class	UserTypes.DeleterByField
static class	UserTypes.Literal
static class	UserTypes.Marker
static class	UserTypes.Setter
static class	UserTypes.SetterByField
static class	UserTypes.Value

Method Summary

Modifier and Type	Method and Description
static ColumnSpecification	fieldSpecOf(ColumnSpecification column, int field)
static <T extends AssignmentTestable> AssignmentTestable.TestResult	testUserTypeAssignment(ColumnSpecification receiver, java.util.Map<FieldIdentifier,T> entries) Tests that the map with the specified entries can be assigned to the specified column.
static <T> java.lang.String	userTypeToString(java.util.Map<FieldIdentifier,T> items) Create a String representation of the user type from the specified items associated to the user type entries.
static <T> java.lang.String	userTypeToString(java.util.Map<FieldIdentifier,T> items, java.util.function.Function<T,java.lang.String> mapper) Create a String representation of the user type from the specified items associated to the user type entries.
static <T extends AssignmentTestable> void	validateUserTypeAssignableTo(ColumnSpecification receiver, java.util.Map<FieldIdentifier,T> entries)

Methods inherited from class java.lang.Object

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

Method Detail

fieldSpecOf

public static ColumnSpecification fieldSpecOf(ColumnSpecification column,
                                              int field)

validateUserTypeAssignableTo

public static <T extends AssignmentTestable> void validateUserTypeAssignableTo(ColumnSpecification receiver,
                                                                               java.util.Map<FieldIdentifier,T> entries)

testUserTypeAssignment

public static <T extends AssignmentTestable> AssignmentTestable.TestResult testUserTypeAssignment(ColumnSpecification receiver,
                                                                                                  java.util.Map<FieldIdentifier,T> entries)

Tests that the map with the specified entries can be assigned to the specified column.

Parameters:

receiver - the receiving column

entries - the map entries

userTypeToString

public static <T> java.lang.String userTypeToString(java.util.Map<FieldIdentifier,T> items)

Create a String representation of the user type from the specified items associated to the user type entries.

Parameters:

items - items associated to the user type entries

Returns:

a String representation of the user type

userTypeToString

public static <T> java.lang.String userTypeToString(java.util.Map<FieldIdentifier,T> items,
                                                    java.util.function.Function<T,java.lang.String> mapper)

Create a String representation of the user type from the specified items associated to the user type entries.

Parameters:

items - items associated to the user type entries

Returns:

a String representation of the user type