Package org.apache.cayenne.access.types
Class CharType
- java.lang.Object
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- org.apache.cayenne.access.types.CharType
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- All Implemented Interfaces:
ExtendedType<String>
- Direct Known Subclasses:
OracleCharType
public class CharType extends Object implements ExtendedType<String>
Handlesjava.lang.String, mapping it as either of JDBC types - CLOB or (VAR)CHAR. Can be configured to trim trailing spaces.
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Field Summary
Fields Modifier and Type Field Description protected booleantrimmingCharsprotected booleanusingClobs
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Constructor Summary
Constructors Constructor Description CharType(boolean trimmingChars, boolean usingClobs)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description StringgetClassName()Returns "java.lang.String".booleanisTrimmingChars()Returnstrueif 'materializeObject' method should trim trailing spaces from the CHAR columns.booleanisUsingClobs()StringmaterializeObject(CallableStatement cs, int index, int type)Reads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.StringmaterializeObject(ResultSet rs, int index, int type)Return trimmed string.protected StringreadCharStream(ResultSet rs, int index)protected StringreadClob(Clob clob)protected StringreadValueStream(Reader in, int streamSize, int bufSize)protected Stringrtrim(String value)Trim right spaces.voidsetJdbcObject(PreparedStatement st, String value, int pos, int type, int scale)Initializes a single parameter of a PreparedStatement with object value.voidsetTrimmingChars(boolean trimingChars)voidsetUsingClobs(boolean usingClobs)StringtoString(String value)Converts value of the supported type to a human-readable String representation.
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Method Detail
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getClassName
public String getClassName()
Returns "java.lang.String".- Specified by:
getClassNamein interfaceExtendedType<String>
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materializeObject
public String materializeObject(ResultSet rs, int index, int type) throws Exception
Return trimmed string.- Specified by:
materializeObjectin 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
public String materializeObject(CallableStatement cs, int index, int type) throws Exception
Description copied from interface:ExtendedTypeReads an object from a stored procedure OUT parameter, converting it to class returned by 'getClassName' method.- Specified by:
materializeObjectin interfaceExtendedType<String>- Throws:
Exception- if read error occurred, or an object can't be converted to a target Java class.
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setJdbcObject
public void setJdbcObject(PreparedStatement st, String value, int pos, int type, int scale) throws Exception
Description copied from interface:ExtendedTypeInitializes a single parameter of a PreparedStatement with object value.- Specified by:
setJdbcObjectin interfaceExtendedType<String>- Throws:
Exception
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toString
public String toString(String value)
Description copied from interface:ExtendedTypeConverts value of the supported type to a human-readable String representation.- Specified by:
toStringin interfaceExtendedType<String>- Parameters:
value- a value to convert to String.
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readClob
protected String readClob(Clob clob) throws IOException, SQLException
- Throws:
IOExceptionSQLException
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readCharStream
protected String readCharStream(ResultSet rs, int index) throws IOException, SQLException
- Throws:
IOExceptionSQLException
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readValueStream
protected String readValueStream(Reader in, int streamSize, int bufSize) throws IOException
- Throws:
IOException
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isTrimmingChars
public boolean isTrimmingChars()
Returnstrueif '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.
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setTrimmingChars
public void setTrimmingChars(boolean trimingChars)
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isUsingClobs
public boolean isUsingClobs()
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setUsingClobs
public void setUsingClobs(boolean usingClobs)
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