Class CharColumnMapping
java.lang.Object
org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping
org.datanucleus.store.rdbms.mapping.column.CharColumnMapping
- All Implemented Interfaces:
ColumnMapping
- Direct Known Subclasses:
DB2DatalinkColumnMapping
,NCharColumnMapping
,VarCharColumnMapping
Mapping of a CHAR column.
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Nested Class Summary
Nested Classes -
Field Summary
FieldsModifier and TypeFieldDescriptionprivate static final ThreadLocal
<CharColumnMapping.FormatterInfo> Fields inherited from class org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping
column, mapping, storeMgr
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Constructor Summary
ConstructorsConstructorDescriptionCharColumnMapping
(JavaTypeMapping mapping, RDBMSStoreManager storeMgr, Column col) Constructor. -
Method Summary
Modifier and TypeMethodDescriptionboolean
getBoolean
(ResultSet rs, int param) Method to extract a boolean from the ResultSet at the specified positionchar
Method to extract a character from the ResultSet at the specified positionGet a Format object to handle java.util.Date.int
Method to return the java.sql.Types type that this relates to.Method to extract an object from the ResultSet at the specified positionMethod to extract a String from the ResultSet at the specified positionprotected void
Method to initialise the column mapping.boolean
Accessor for whether the mapping is string-based.void
setBoolean
(PreparedStatement ps, int param, boolean value) Method to set a boolean at the specified position in the JDBC PreparedStatement.void
setChar
(PreparedStatement ps, int param, char value) Method to set a character at the specified position in the JDBC PreparedStatement.void
setObject
(PreparedStatement ps, int param, Object value) Method to set an object at the specified position in the JDBC PreparedStatement.void
setString
(PreparedStatement ps, int param, String value) Method to set a String at the specified position in the JDBC PreparedStatement.Methods inherited from class org.datanucleus.store.rdbms.mapping.column.AbstractColumnMapping
equals, failureMessage, failureMessage, failureMessage, getByte, getColumn, getDatastoreAdapter, getDouble, getFloat, getInsertionInputParameter, getInt, getJavaTypeMapping, getLong, getShort, getTypeInfo, getUpdateInputParameter, hashCode, includeInFetchStatement, initTypeInfo, insertValuesOnInsert, isBitBased, isBooleanBased, isDecimalBased, isIntegerBased, isNullable, setByte, setDouble, setFloat, setInt, setLong, setShort, useDefaultWhenNull
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Field Details
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formatterThreadInfo
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Constructor Details
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CharColumnMapping
Constructor.- Parameters:
mapping
- Java type mappingstoreMgr
- Store Managercol
- column to be mapped
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Method Details
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initialize
protected void initialize()Method to initialise the column mapping. Provides default length specifications for the CHAR column to fit the data being stored. -
isStringBased
public boolean isStringBased()Accessor for whether the mapping is string-based.- Specified by:
isStringBased
in interfaceColumnMapping
- Overrides:
isStringBased
in classAbstractColumnMapping
- Returns:
- Whether the mapping is string based
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getJDBCType
public int getJDBCType()Description copied from class:AbstractColumnMapping
Method to return the java.sql.Types type that this relates to.- Specified by:
getJDBCType
in classAbstractColumnMapping
- Returns:
- The JDBC "type"
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setChar
Method to set a character at the specified position in the JDBC PreparedStatement.- Specified by:
setChar
in interfaceColumnMapping
- Overrides:
setChar
in classAbstractColumnMapping
- Parameters:
ps
- The PreparedStatementparam
- Parameter positionvalue
- The value to set
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getChar
Method to extract a character from the ResultSet at the specified position- Specified by:
getChar
in interfaceColumnMapping
- Overrides:
getChar
in classAbstractColumnMapping
- Parameters:
rs
- The Result Setparam
- The parameter position- Returns:
- the character
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setString
Method to set a String at the specified position in the JDBC PreparedStatement.- Specified by:
setString
in interfaceColumnMapping
- Overrides:
setString
in classAbstractColumnMapping
- Parameters:
ps
- The PreparedStatementparam
- Parameter positionvalue
- The value to set
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getString
Method to extract a String from the ResultSet at the specified position- Specified by:
getString
in interfaceColumnMapping
- Overrides:
getString
in classAbstractColumnMapping
- Parameters:
rs
- The Result Setparam
- The parameter position- Returns:
- the String
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setBoolean
Method to set a boolean at the specified position in the JDBC PreparedStatement.- Specified by:
setBoolean
in interfaceColumnMapping
- Overrides:
setBoolean
in classAbstractColumnMapping
- Parameters:
ps
- The PreparedStatementparam
- Parameter positionvalue
- The value to set
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getBoolean
Method to extract a boolean from the ResultSet at the specified position- Specified by:
getBoolean
in interfaceColumnMapping
- Overrides:
getBoolean
in classAbstractColumnMapping
- Parameters:
rs
- The Result Setparam
- The parameter position- Returns:
- the boolean
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setObject
Method to set an object at the specified position in the JDBC PreparedStatement.- Specified by:
setObject
in interfaceColumnMapping
- Overrides:
setObject
in classAbstractColumnMapping
- Parameters:
ps
- The PreparedStatementparam
- Parameter positionvalue
- The value to set
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getObject
Method to extract an object from the ResultSet at the specified position- Specified by:
getObject
in interfaceColumnMapping
- Overrides:
getObject
in classAbstractColumnMapping
- Parameters:
rs
- The Result Setparam
- The parameter position- Returns:
- the object
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getJavaUtilDateFormat
Get a Format object to handle java.util.Date. If a TimeZone is present, it will be used to format dates to that zone.- Returns:
- Date formatter to use
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