com.holonplatform.core.datastore.relational

Enum Join.JoinType

java.lang.Object

java.lang.Enum<Join.JoinType>

com.holonplatform.core.datastore.relational.Join.JoinType

All Implemented Interfaces:

Serializable, Comparable<Join.JoinType>

Enclosing interface:

Join<T>

public static enum Join.JoinType
extends Enum<Join.JoinType>

Enumeration of available join types.

Enum Constant Summary

Enum Constants

Enum Constant and Description
INNER Inner join: returns all rows when there is at least one match in BOTH tables
LEFT Left join: returns all rows from the left table, and the matched rows from the right table
RIGHT Right join: return all rows from the right table, and the matched rows from the left table

Method Summary

Modifier and Type	Method and Description
static Join.JoinType	valueOf(String name) Returns the enum constant of this type with the specified name.
static Join.JoinType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

INNER

public static final Join.JoinType INNER

Inner join: returns all rows when there is at least one match in BOTH tables

LEFT

public static final Join.JoinType LEFT

Left join: returns all rows from the left table, and the matched rows from the right table

RIGHT

public static final Join.JoinType RIGHT

Right join: return all rows from the right table, and the matched rows from the left table

Method Detail

values

public static Join.JoinType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (Join.JoinType c : Join.JoinType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static Join.JoinType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null