Package org.apache.cayenne.access.types
Class CharType
java.lang.Object
org.apache.cayenne.access.types.CharType
- All Implemented Interfaces:
ExtendedType<String>
- Direct Known Subclasses:
OracleCharType
public class CharType extends Object implements ExtendedType<String>
Handles
java.lang.String
, mapping it as either of JDBC types -
CLOB or (VAR)CHAR. Can be configured to trim trailing spaces.-
Field Summary
Fields Modifier and Type Field Description protected boolean
trimmingChars
protected boolean
usingClobs
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Constructor Summary
Constructors Constructor Description CharType(boolean trimmingChars, boolean usingClobs)
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Method Summary
Modifier and Type Method Description String
getClassName()
Returns "java.lang.String".boolean
isTrimmingChars()
Returnstrue
if 'materializeObject' method should trim trailing spaces from the CHAR columns.boolean
isUsingClobs()
String
materializeObject(CallableStatement cs, int index, int type)
Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.String
materializeObject(ResultSet rs, int index, int type)
Return trimmed string.protected String
readCharStream(ResultSet rs, int index)
protected String
readClob(Clob clob)
protected String
readValueStream(Reader in, int streamSize, int bufSize)
protected String
rtrim(String value)
Trim right spaces.void
setJdbcObject(PreparedStatement st, String value, int pos, int type, int scale)
Initializes a single parameter of a PreparedStatement with object value.void
setTrimmingChars(boolean trimingChars)
void
setUsingClobs(boolean usingClobs)
String
toString(String value)
Converts value of the supported type to a human-readable String representation.
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Field Details
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trimmingChars
protected boolean trimmingChars -
usingClobs
protected boolean usingClobs
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Constructor Details
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CharType
public CharType(boolean trimmingChars, boolean usingClobs)
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Method Details
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getClassName
Returns "java.lang.String".- Specified by:
getClassName
in interfaceExtendedType<String>
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materializeObject
Return trimmed string.- Specified by:
materializeObject
in interfaceExtendedType<String>
- Throws:
Exception
- if read error occurred, or an object can't be converted to a target Java class.
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materializeObject
Description copied from interface:ExtendedType
Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.- Specified by:
materializeObject
in interfaceExtendedType<String>
- Throws:
Exception
- if read error occurred, or an object can't be converted to a target Java class.
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rtrim
Trim right spaces. -
setJdbcObject
public void setJdbcObject(PreparedStatement st, String value, int pos, int type, int scale) throws ExceptionDescription copied from interface:ExtendedType
Initializes a single parameter of a PreparedStatement with object value.- Specified by:
setJdbcObject
in interfaceExtendedType<String>
- Throws:
Exception
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toString
Description copied from interface:ExtendedType
Converts value of the supported type to a human-readable String representation.- Specified by:
toString
in interfaceExtendedType<String>
- Parameters:
value
- a value to convert to String.
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readClob
- Throws:
IOException
SQLException
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readCharStream
- Throws:
IOException
SQLException
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readValueStream
- Throws:
IOException
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isTrimmingChars
public boolean isTrimmingChars()Returnstrue
if 'materializeObject' method should trim trailing spaces from the CHAR columns. This addresses an issue with some JDBC drivers (e.g. Oracle), that return Strings for CHAR columns padded with spaces. -
setTrimmingChars
public void setTrimmingChars(boolean trimingChars) -
isUsingClobs
public boolean isUsingClobs() -
setUsingClobs
public void setUsingClobs(boolean usingClobs)
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