Class DelegatingTypeMapping

java.lang.Object
org.eclipse.emf.cdo.server.db.mapping.DelegatingTypeMapping
All Implemented Interfaces:
ITypeMapping

public abstract class DelegatingTypeMapping extends Object implements ITypeMapping
Since:
4.10
Author:
Eike Stepper
  • Constructor Details

    • DelegatingTypeMapping

      public DelegatingTypeMapping()
  • Method Details

    • getDelegate

      public abstract AbstractTypeMapping getDelegate()
    • getFeature

      public EStructuralFeature getFeature()
      Specified by:
      getFeature in interface ITypeMapping
      Returns:
      The feature which is associated with this mapping.
    • getField

      public org.eclipse.net4j.db.ddl.IDBField getField()
      Specified by:
      getField in interface ITypeMapping
      Returns:
      The db field which is associated with this mapping.
    • getDBType

      public org.eclipse.net4j.db.DBType getDBType()
      Specified by:
      getDBType in interface ITypeMapping
      Returns:
      The db type which is associated with this mapping.
    • setMappingStrategy

      public void setMappingStrategy(IMappingStrategy mappingStrategy)
      Specified by:
      setMappingStrategy in interface ITypeMapping
    • setFeature

      public void setFeature(EStructuralFeature feature)
      Specified by:
      setFeature in interface ITypeMapping
    • setDBType

      public void setDBType(org.eclipse.net4j.db.DBType dbType)
      Specified by:
      setDBType in interface ITypeMapping
    • createDBField

      public void createDBField(org.eclipse.net4j.db.ddl.IDBTable table)
      Specified by:
      createDBField in interface ITypeMapping
    • createDBField

      public void createDBField(org.eclipse.net4j.db.ddl.IDBTable table, String fieldName)
      Description copied from interface: ITypeMapping
      Creates the DBField and adds it to the given table. The name of the DBField is explicitly determined by the corresponding parameter.
      Specified by:
      createDBField in interface ITypeMapping
      Parameters:
      table - the table to add this field to.
      fieldName - the name for the DBField.
    • setDBField

      public void setDBField(org.eclipse.net4j.db.ddl.IDBTable table, String fieldName)
      Description copied from interface: ITypeMapping
      Sets the DBField. The name of the DBField is explicitly determined by the corresponding parameter.
      Specified by:
      setDBField in interface ITypeMapping
      Parameters:
      table - the table to add this field to.
      fieldName - the name for the DBField.
    • setValue

      public void setValue(PreparedStatement stmt, int index, Object value) throws SQLException
      Description copied from interface: ITypeMapping
      Set the given value to the JDBC IDBPreparedStatement using an appropriate setXxx method.
      Specified by:
      setValue in interface ITypeMapping
      Parameters:
      stmt - the prepared statement to set the value
      index - the index to use for the setXxx method.
      value - the value to set.
      Throws:
      SQLException - if the setXxx throws it.
    • setDefaultValue

      public void setDefaultValue(PreparedStatement stmt, int index) throws SQLException
      Description copied from interface: ITypeMapping
      Set the feature's default value to the JDBC IDBPreparedStatement using an appropriate setXxx method.
      Specified by:
      setDefaultValue in interface ITypeMapping
      Parameters:
      stmt - the prepared statement to set the value
      index - the index to use for the setXxx method.
      Throws:
      SQLException - if the setXxx throws it.
    • setValueFromRevision

      public void setValueFromRevision(PreparedStatement stmt, int index, InternalCDORevision revision) throws SQLException
      Description copied from interface: ITypeMapping
      Set a value of the given revision to the JDBC IDBPreparedStatement using an appropriate setXxx method. The feature from which the value is taken is determined by ITypeMapping.getFeature().
      Specified by:
      setValueFromRevision in interface ITypeMapping
      Parameters:
      stmt - the prepared statement to set the value
      index - the index to use for the setXxx method.
      revision - the revision to get the value to set from.
      Throws:
      SQLException - if the setXxx throws it.
    • readValue

      public Object readValue(ResultSet resultSet) throws SQLException
      Description copied from interface: ITypeMapping
      Read the value from a ResultSet and convert it from the DB to the CDO representation. The resultSet field to read from is determined automatically by the internal ITypeMapping.getField() name.
      Specified by:
      readValue in interface ITypeMapping
      Parameters:
      resultSet - the result set to read from
      Returns:
      the read value
      Throws:
      SQLException - if reading the value throws an SQLException
    • readValueToRevision

      public void readValueToRevision(ResultSet resultSet, InternalCDORevision revision) throws SQLException
      Description copied from interface: ITypeMapping
      Read a value from a ResultSet, convert it from the DB to the CDO representation and set it to the feature of the revision. The feature is determined by getFeature() The resultSet field to read from is determined automatically by the internal ITypeMapping.getField() name.
      Specified by:
      readValueToRevision in interface ITypeMapping
      Parameters:
      resultSet - the result set to read from
      revision - the revision to which the value should be set.
      Throws:
      SQLException - if reading the value throws an SQLException
    • encode

      protected Object encode(Object value)
    • decode

      protected Object decode(Object value)