com.caucho.amber.type
Class DoubleType

java.lang.Object
  com.caucho.amber.type.AmberType
      com.caucho.amber.type.DoubleType

public class DoubleType
extends AmberType

Represents a java.util.Double type

Method Summary

static DoubleType	create() Returns the singleton Double type.
java.lang.String	generateCreateColumnSQL(AmberPersistenceUnit manager, int length, int precision, int scale) Generates the type for the table.
int	generateLoad(JavaWriter out, java.lang.String rs, java.lang.String indexVar, int index) Generates a string to load the property.
int	generateLoadNative(JavaWriter out, int index) Generates a string to load the property.
void	generateSet(JavaWriter out, java.lang.String pstmt, java.lang.String index, java.lang.String value) Generates a string to set the property.
void	generateSetNull(JavaWriter out, java.lang.String pstmt, java.lang.String index) Generates a string to set the property.
java.lang.String	getName() Returns the type name.
java.lang.Object	getObject(java.sql.ResultSet rs, int index) Gets the value.
boolean	isNumeric() Returns true for a numeric type.
void	setParameter(java.sql.PreparedStatement pstmt, int index, java.lang.Object value) Sets the value.
static java.lang.Double	toDouble(double value, boolean wasNull) Converts a value to a int.

Methods inherited from class com.caucho.amber.type.AmberType

findItem, fromObject, generateCastFromObject, generateEquals, generateIncrementVersion, generateIsNull, generateLoad, generateLoadForeign, generateNull, generateSetVersion, getColumnCount, getForeignType, getForeignTypeName, getJavaTypeName, getObject, init, isAssignableTo, isAutoIncrement, isBoolean, toObject, toObject

Methods inherited from class java.lang.Object

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

Method Detail

create

public static DoubleType create()

Returns the singleton Double type.

getName

public java.lang.String getName()

Returns the type name.

Specified by:

getName in class AmberType

isNumeric

public boolean isNumeric()

Returns true for a numeric type.

Overrides:

isNumeric in class AmberType

generateCreateColumnSQL

public java.lang.String generateCreateColumnSQL(AmberPersistenceUnit manager,
                                                int length,
                                                int precision,
                                                int scale)

Generates the type for the table.

Overrides:

generateCreateColumnSQL in class AmberType

generateLoad

public int generateLoad(JavaWriter out,
                        java.lang.String rs,
                        java.lang.String indexVar,
                        int index)
                 throws java.io.IOException

Generates a string to load the property.

Overrides:

generateLoad in class AmberType

Throws:

java.io.IOException

generateLoadNative

public int generateLoadNative(JavaWriter out,
                              int index)
                       throws java.io.IOException

Generates a string to load the property.

Overrides:

generateLoadNative in class AmberType

Throws:

java.io.IOException

generateSet

public void generateSet(JavaWriter out,
                        java.lang.String pstmt,
                        java.lang.String index,
                        java.lang.String value)
                 throws java.io.IOException

Generates a string to set the property.

Overrides:

generateSet in class AmberType

Throws:

java.io.IOException

generateSetNull

public void generateSetNull(JavaWriter out,
                            java.lang.String pstmt,
                            java.lang.String index)
                     throws java.io.IOException

Generates a string to set the property.

Overrides:

generateSetNull in class AmberType

Throws:

java.io.IOException

toDouble

public static java.lang.Double toDouble(double value,
                                        boolean wasNull)

Converts a value to a int.

setParameter

public void setParameter(java.sql.PreparedStatement pstmt,
                         int index,
                         java.lang.Object value)
                  throws java.sql.SQLException

Sets the value.

Overrides:

setParameter in class AmberType

Throws:

java.sql.SQLException

getObject

public java.lang.Object getObject(java.sql.ResultSet rs,
                                  int index)
                           throws java.sql.SQLException

Gets the value.

Overrides:

getObject in class AmberType

Throws:

java.sql.SQLException