Package org.datanucleus.store.rdbms.schema

Class JDBCTypeInfo

  • All Implemented Interfaces:
    org.datanucleus.store.schema.MapStoreSchemaData, org.datanucleus.store.schema.StoreSchemaData
    public class JDBCTypeInfo
extends java.lang.Object
implements org.datanucleus.store.schema.MapStoreSchemaData
    Representation of JDBC type information in the datastore. Each JDBC type info has a map of SQL type info for this JDBC type. Has the property "jdbc_type" as a Short of the java.sql.Types value.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private int hash
      Hashcode.
      (package private) java.util.Map<java.lang.String,​java.lang.Object> properties
      Properties of the JDBC type.
      (package private) java.util.Map<java.lang.String,​org.datanucleus.store.schema.StoreSchemaData> sqlTypes
      SQL types for this JDBC type, keyed by (SQL) type name.

    • Constructor Summary

      Constructors 
      Constructor Description
      JDBCTypeInfo​(short type)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addChild​(org.datanucleus.store.schema.StoreSchemaData child)
      Add a SQL type for this JDBC type.
      void addProperty​(java.lang.String name, java.lang.Object value)
      Method to add a property for the type.
      void clearChildren()
      Method to remove all children.
      boolean equals​(java.lang.Object obj)
      Indicates whether some object is "equal to" this one.
      org.datanucleus.store.schema.StoreSchemaData getChild​(java.lang.String key)
      Accessor for the SQL type with this type name (if supported for this JDBC type).
      java.util.Map getChildren()
      Accessor for the SQL types map for this JDBC type, keyed by the type name.
      int getNumberOfChildren()  
      org.datanucleus.store.schema.StoreSchemaData getParent()
      Accessor for the parent component.
      java.lang.Object getProperty​(java.lang.String name)
      Accessor for a property.
      int hashCode()
      Returns a hash code value for this object.
      void setDefaultChild​(java.lang.String sqlTypeName)
      Set the default child to be used.
      void setParent​(org.datanucleus.store.schema.StoreSchemaData parent)
      Mutator for the parent component.
      java.lang.String toString()
      Returns the string representation of this object.

      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • Field Detail

      • hash

        private int hash
        Hashcode. Set on first use.

      • properties

        java.util.Map<java.lang.String,​java.lang.Object> properties
        Properties of the JDBC type.

      • sqlTypes

        java.util.Map<java.lang.String,​org.datanucleus.store.schema.StoreSchemaData> sqlTypes
        SQL types for this JDBC type, keyed by (SQL) type name.

    • Constructor Detail

      • JDBCTypeInfo

        public JDBCTypeInfo​(short type)

    • Method Detail

      • setParent

        public void setParent​(org.datanucleus.store.schema.StoreSchemaData parent)
        Mutator for the parent component.
        Specified by:
        setParent in interface org.datanucleus.store.schema.MapStoreSchemaData
        Parameters:
        parent - Parent component

      • getParent

        public org.datanucleus.store.schema.StoreSchemaData getParent()
        Accessor for the parent component.
        Specified by:
        getParent in interface org.datanucleus.store.schema.MapStoreSchemaData
        Returns:
        null

      • addProperty

        public void addProperty​(java.lang.String name,
                        java.lang.Object value)
        Method to add a property for the type.
        Specified by:
        addProperty in interface org.datanucleus.store.schema.StoreSchemaData
        Parameters:
        name - Name of property
        value - Its value

      • getProperty

        public java.lang.Object getProperty​(java.lang.String name)
        Accessor for a property.
        Specified by:
        getProperty in interface org.datanucleus.store.schema.StoreSchemaData
        Parameters:
        name - Name of the property
        Returns:
        Its value, or null if not defined

      • addChild

        public void addChild​(org.datanucleus.store.schema.StoreSchemaData child)
        Add a SQL type for this JDBC type.
        Specified by:
        addChild in interface org.datanucleus.store.schema.MapStoreSchemaData
        Parameters:
        child - The SQL type

      • setDefaultChild

        public void setDefaultChild​(java.lang.String sqlTypeName)
        Set the default child to be used. If this child is not a current value then it will be ignored.
        Parameters:
        sqlTypeName - SQL Type to use as the default for this JDBC type

      • clearChildren

        public void clearChildren()
        Method to remove all children.
        Specified by:
        clearChildren in interface org.datanucleus.store.schema.MapStoreSchemaData

      • getChild

        public org.datanucleus.store.schema.StoreSchemaData getChild​(java.lang.String key)
        Accessor for the SQL type with this type name (if supported for this JDBC type).
        Specified by:
        getChild in interface org.datanucleus.store.schema.MapStoreSchemaData
        Parameters:
        key - type name
        Returns:
        the SQL type

      • getChildren

        public java.util.Map getChildren()
        Accessor for the SQL types map for this JDBC type, keyed by the type name.
        Specified by:
        getChildren in interface org.datanucleus.store.schema.MapStoreSchemaData
        Returns:
        Map of SQL types

      • getNumberOfChildren

        public int getNumberOfChildren()
        Specified by:
        getNumberOfChildren in interface org.datanucleus.store.schema.MapStoreSchemaData

      • equals

        public final boolean equals​(java.lang.Object obj)
        Indicates whether some object is "equal to" this one. Two JDBCTypeInfo are considered equal if their jdbc type is the same.
        Overrides:
        equals in class java.lang.Object
        Parameters:
        obj - the reference object with which to compare
        Returns:
        true if this object is equal to the obj argument; false otherwise.

      • hashCode

        public final int hashCode()
        Returns a hash code value for this object.
        Overrides:
        hashCode in class java.lang.Object
        Returns:
        a hash code value for this object.

      • toString

        public java.lang.String toString()
        Returns the string representation of this object.
        Overrides:
        toString in class java.lang.Object
        Returns:
        string representation of this object.