Java Doc for Field.java in  » Database-JDBC-Connection-Pool » sequoia-2.10.9 » org » continuent » sequoia » common » protocol » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database JDBC Connection Pool » sequoia 2.10.9 » org.continuent.sequoia.common.protocol 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.continuent.sequoia.common.protocol.Field

Field
public class Field implements Serializable(Code)
Field is our private implementation of ResultSetMetaData, holding the information for one column.

The first version was inspired from the MM MySQL driver by Mark Matthews.
See Also:   org.continuent.sequoia.driver.DriverResultSet
See Also:   org.continuent.sequoia.controller.backend.result.ControllerResultSet
author:
   Emmanuel Cecchet
author:
   Nicolas Modrzyk
author:
   Marc Herbert
version:
   1.0




Constructor Summary
public  Field(String table, String columnName, int columnDisplaySize, int sqlType, String typeName, String columnClassName)
     Create a new field with some default common values.
public  Field(String table, String columnName, String columnLabel, int columnDisplaySize, int sqlType, String typeName, String columnClassName, boolean isAutoIncrement, boolean isCaseSensitive, boolean isCurrency, int isNullable, boolean isReadOnly, boolean isWritable, boolean isDefinitelyWritable, boolean isSearchable, boolean isSigned, int precision, int scale, String encoding)
     Creates a new Field instance using the reference arguments (arguments are NOT cloned).
public  Field(DriverBufferedInputStream in)
     Creates a new Field object, deserializing it from an input stream.

Method Summary
public  StringgetColumnClassName()
     Returns the Java class used by the mapping.
public  intgetColumnDisplaySize()
    
public  StringgetEncoding()
    
final public  StringgetFieldLabel()
     Returns the fieldLabel value.
public  StringgetFieldName()
     Gets the field name.
public  StringgetFullName()
    
public  intgetPrecision()
    
public  intgetScale()
    
public  intgetSqlType()
     Returns the JDBC type code.
public  StringgetTableName()
     Gets the table name.
public  StringgetTypeName()
     Returns the SQL type name used by the database.
public  booleanisAutoIncrement()
    
public  booleanisCaseSensitive()
    
public  booleanisCurrency()
    
public  booleanisDefinitelyWritable()
    
public  intisNullable()
    
public  booleanisReadOnly()
    
public  booleanisSearchable()
    
public  booleanisSigned()
    
public  booleanisWritable()
    
public  voidsendToStream(DriverBufferedOutputStream out)
     Serialize the Field on the output stream by sending only the needed parameters to reconstruct it on the controller.
public  StringtoString()
     Returns the full name.


Constructor Detail
Field
public Field(String table, String columnName, int columnDisplaySize, int sqlType, String typeName, String columnClassName)(Code)
Create a new field with some default common values.
Parameters:
  table - the table name
Parameters:
  columnName - the field name
Parameters:
  columnDisplaySize - the column display size
Parameters:
  sqlType - the SQL type
Parameters:
  typeName - the type name
Parameters:
  columnClassName - the column class name



Field
public Field(String table, String columnName, String columnLabel, int columnDisplaySize, int sqlType, String typeName, String columnClassName, boolean isAutoIncrement, boolean isCaseSensitive, boolean isCurrency, int isNullable, boolean isReadOnly, boolean isWritable, boolean isDefinitelyWritable, boolean isSearchable, boolean isSigned, int precision, int scale, String encoding)(Code)
Creates a new Field instance using the reference arguments (arguments are NOT cloned).
Parameters:
  table - the table name
Parameters:
  columnName - the field name
Parameters:
  columnLabel - the field label
Parameters:
  columnDisplaySize - the column display size
Parameters:
  sqlType - the SQL type
Parameters:
  typeName - the type name
Parameters:
  columnClassName - the column class name
Parameters:
  isAutoIncrement - true if field is auto incremented
Parameters:
  isCaseSensitive - true if field is case sensitive
Parameters:
  isCurrency - true if field is currency
Parameters:
  isNullable - indicates the nullability of the field
Parameters:
  isReadOnly - true if field is read only
Parameters:
  isWritable - true if field is writable
Parameters:
  isDefinitelyWritable - true if field is definetly writable
Parameters:
  isSearchable - true if field is searchable
Parameters:
  isSigned - true if field is signed
Parameters:
  precision - decimal precision
Parameters:
  scale - number of digits to right of decimal point
Parameters:
  encoding - the encoding of this field, if any



Field
public Field(DriverBufferedInputStream in) throws IOException(Code)
Creates a new Field object, deserializing it from an input stream. Has to mirror the serialization method below.
Parameters:
  in - input stream
throws:
  IOException - if a stream error occurs




Method Detail
getColumnClassName
public String getColumnClassName()(Code)
Returns the Java class used by the mapping.
See Also:   java.sql.ResultSetMetaData.getColumnClassName(int)



getColumnDisplaySize
public int getColumnDisplaySize()(Code)

See Also:   java.sql.ResultSetMetaData.getColumnDisplaySize(int)



getEncoding
public String getEncoding()(Code)
the encoding used for this field



getFieldLabel
final public String getFieldLabel()(Code)
Returns the fieldLabel value. Returns the fieldLabel.



getFieldName
public String getFieldName()(Code)
Gets the field name. a String value



getFullName
public String getFullName()(Code)
Gets the full name: "tableName.fieldName" a String value



getPrecision
public int getPrecision()(Code)

See Also:   java.sql.ResultSetMetaData.getPrecision(int)



getScale
public int getScale()(Code)

See Also:   java.sql.ResultSetMetaData.getScale(int)



getSqlType
public int getSqlType()(Code)
Returns the JDBC type code. int Type according to java.sql.Types
See Also:   java.sql.ResultSetMetaData.getColumnType(int)



getTableName
public String getTableName()(Code)
Gets the table name. a String value



getTypeName
public String getTypeName()(Code)
Returns the SQL type name used by the database. the SQL type name
See Also:   java.sql.ResultSetMetaData.getColumnTypeName(int)



isAutoIncrement
public boolean isAutoIncrement()(Code)

See Also:   java.sql.ResultSetMetaData.isAutoIncrement(int)



isCaseSensitive
public boolean isCaseSensitive()(Code)

See Also:   java.sql.ResultSetMetaData.isCaseSensitive(int)



isCurrency
public boolean isCurrency()(Code)

See Also:   java.sql.ResultSetMetaData.isCurrency(int)



isDefinitelyWritable
public boolean isDefinitelyWritable()(Code)

See Also:   java.sql.ResultSetMetaData.isDefinitelyWritable(int)



isNullable
public int isNullable()(Code)

See Also:   java.sql.ResultSetMetaData.isNullable(int)



isReadOnly
public boolean isReadOnly()(Code)

See Also:   java.sql.ResultSetMetaData.isReadOnly(int)



isSearchable
public boolean isSearchable()(Code)

See Also:   java.sql.ResultSetMetaData.isSearchable(int)



isSigned
public boolean isSigned()(Code)

See Also:   java.sql.ResultSetMetaData.isSigned(int)



isWritable
public boolean isWritable()(Code)

See Also:   java.sql.ResultSetMetaData.isWritable(int)



sendToStream
public void sendToStream(DriverBufferedOutputStream out) throws IOException(Code)
Serialize the Field on the output stream by sending only the needed parameters to reconstruct it on the controller. Has to mirror the deserialization method above.
Parameters:
  out - destination stream
throws:
  IOException - if a stream error occurs



toString
public String toString()(Code)
Returns the full name. String value
See Also:   Field.getFullName()



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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