com.akiban.sql.types
Class JSQLType

java.lang.Object
  com.akiban.sql.types.JSQLType

public final class JSQLType
extends Object

Type descriptor which wraps all 3 kinds of types supported in Derby's JSQL language: SQL types, Java primitives, Java classes. This interface was originally added to support the serializing of WorkUnit signatures.

Field Summary

static byte	BOOLEAN
static byte	BYTE
static byte	CHAR
static byte	DOUBLE
static byte	FLOAT
static byte	INT
static byte	JAVA_CLASS
static byte	JAVA_PRIMITIVE
static byte	LONG
static byte	NOT_PRIMITIVE
static byte	SHORT
static byte	SQLTYPE

Constructor Summary

JSQLType(byte primitiveKind)
Create a JSQLType for a Java primitive.

JSQLType(DataTypeDescriptor sqlType)
Create a JSQLType from a SQL type.

JSQLType(String javaName)
Create a JSQLType given the name of a Java primitive or java class.

Method Summary

byte	getCategory() What kind of type is this:
String	getJavaClassName() If this is a JAVA_CLASS, what is it's name?
byte	getPrimitiveKind() If this is a JAVA_PRIMITIVE, what is its name?
static String	getPrimitiveName(byte index)
String	getPrimitiveTypeName()
DataTypeDescriptor	getSQLType() What's our SQLTYPE?

Methods inherited from class java.lang.Object

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

Field Detail

SQLTYPE

public static final byte SQLTYPE

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Constant Field Values

JAVA_CLASS

public static final byte JAVA_CLASS

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Constant Field Values

JAVA_PRIMITIVE

public static final byte JAVA_PRIMITIVE

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Constant Field Values

NOT_PRIMITIVE

public static final byte NOT_PRIMITIVE

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Constant Field Values

BOOLEAN

public static final byte BOOLEAN

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Constant Field Values

CHAR

public static final byte CHAR

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Constant Field Values

BYTE

public static final byte BYTE

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Constant Field Values

SHORT

public static final byte SHORT

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Constant Field Values

INT

public static final byte INT

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Constant Field Values

LONG

public static final byte LONG

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Constant Field Values

FLOAT

public static final byte FLOAT

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Constant Field Values

DOUBLE

public static final byte DOUBLE

See Also:

Constant Field Values

Constructor Detail

JSQLType

public JSQLType(DataTypeDescriptor sqlType)

Create a JSQLType from a SQL type.

Parameters:

sqlType - the SQL type to wrap

JSQLType

public JSQLType(String javaName)

Create a JSQLType given the name of a Java primitive or java class.

Parameters:

javaName - name of java primitive or class to wrap

JSQLType

public JSQLType(byte primitiveKind)

Create a JSQLType for a Java primitive.

Parameters:

primitiveKind - primitive to wrap

Method Detail

getCategory

public byte getCategory()

What kind of type is this:

Returns:

one of the following: SQLTYPE, JAVA_PRIMITIVE, JAVA_CLASS

getPrimitiveKind

public byte getPrimitiveKind()

If this is a JAVA_PRIMITIVE, what is its name?

Returns:

BOOLEAN, INT, ... if this is a JAVA_PRIMITIVE. NOT_PRIMITIVE if this is SQLTYPE or JAVA_CLASS.

getJavaClassName

public String getJavaClassName()

If this is a JAVA_CLASS, what is it's name?

Returns:

java class name if this is a JAVA_CLASS null if this is SQLTYPE or JAVA_PRIMITIVE

getPrimitiveTypeName

public String getPrimitiveTypeName()

getSQLType

public DataTypeDescriptor getSQLType()
                              throws StandardException

What's our SQLTYPE?

Returns:

the DataTypeDescriptor corresponding to this type

Throws:

StandardException

getPrimitiveName

public static String getPrimitiveName(byte index)