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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.catalog.types   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.derby.catalog.types.IndexDescriptorImpl IndexDescriptorImpl public class IndexDescriptorImpl implements IndexDescriptor,Formatable(Code) See Also:   org.apache.derby.iapi.sql.dictionary.IndexRowGenerator See Also:    Constructor Summary public   IndexDescriptorImpl(String indexType, boolean isUnique, int[] baseColumnPositions, boolean[] isAscending, int numberOfOrderedColumns)      Constructor for an IndexDescriptorImpl Parameters:   indexType - The type of index Parameters:   isUnique - True means the index is unique Parameters:   baseColumnPositions - An array of column positions in the basetable. public   IndexDescriptorImpl()      Method Summary public  int[] baseColumnPositions()      public  boolean equals(Object other)      public  Integer getKeyColumnPosition(Integer heapColumnPosition)      public  int getKeyColumnPosition(int heapColumnPosition)      public  int getTypeFormatId()      public  int hashCode()      public  String indexType()      public  boolean isAscending(Integer keyColumnPosition)      public  boolean[] isAscending()      public  boolean isDescending(Integer keyColumnPosition)      public  boolean isUnique()      public  int numberOfOrderedColumns()      public  void readExternal(ObjectInput in)      public  void setBaseColumnPositions(int[] baseColumnPositions)      public  void setIsAscending(boolean[] isAscending)      public  void setNumberOfOrderedColumns(int numberOfOrderedColumns)      public  String toString()      public  void writeExternal(ObjectOutput out)      Constructor Detail IndexDescriptorImpl public IndexDescriptorImpl(String indexType, boolean isUnique, int[] baseColumnPositions, boolean[] isAscending, int numberOfOrderedColumns)(Code) Constructor for an IndexDescriptorImpl Parameters:   indexType - The type of index Parameters:   isUnique - True means the index is unique Parameters:   baseColumnPositions - An array of column positions in the basetable. Each index column corresponds to acolumn position in the base table. Parameters:   isAscending - An array of booleans telling asc/desc on eachcolumn. Parameters:   numberOfOrderedColumns - In the future, it will be possibleto store non-ordered columns in anindex. These will be useful forcovered queries. IndexDescriptorImpl public IndexDescriptorImpl()(Code) Zero-argument constructor for Formatable interface Method Detail baseColumnPositions public int[] baseColumnPositions()(Code) See Also:   IndexDescriptor.baseColumnPositions See Also:    equals public boolean equals(Object other)(Code) Test for value equality Parameters:   other - The other indexrowgenerator to compare this one with true if this indexrowgenerator has the same value as other getKeyColumnPosition public Integer getKeyColumnPosition(Integer heapColumnPosition)(Code) See Also:   IndexDescriptor.getKeyColumnPosition See Also:    getKeyColumnPosition public int getKeyColumnPosition(int heapColumnPosition)(Code) See Also:   IndexDescriptor.getKeyColumnPosition See Also:    getTypeFormatId public int getTypeFormatId()(Code) hashCode public int hashCode()(Code) See Also:   java.lang.Object.hashCode indexType public String indexType()(Code) See Also:   IndexDescriptor.indexType See Also:    isAscending public boolean isAscending(Integer keyColumnPosition)(Code) See Also:   IndexDescriptor.isAscending See Also:    isAscending public boolean[] isAscending()(Code) See Also:   IndexDescriptor.isAscending See Also:    isDescending public boolean isDescending(Integer keyColumnPosition)(Code) See Also:   IndexDescriptor.isDescending See Also:    isUnique public boolean isUnique()(Code) See Also:   IndexDescriptor.isUnique See Also:    numberOfOrderedColumns public int numberOfOrderedColumns()(Code) See Also:   IndexDescriptor.numberOfOrderedColumns See Also:    readExternal public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException(Code) See Also:   java.io.Externalizable.readExternal exception:   IOException - Thrown on read error setBaseColumnPositions public void setBaseColumnPositions(int[] baseColumnPositions)(Code) See Also:   IndexDescriptor.setBaseColumnPositions See Also:    setIsAscending public void setIsAscending(boolean[] isAscending)(Code) See Also:   IndexDescriptor.setIsAscending See Also:    setNumberOfOrderedColumns public void setNumberOfOrderedColumns(int numberOfOrderedColumns)(Code) See Also:   IndexDescriptor.setNumberOfOrderedColumns See Also:    toString public String toString()(Code) writeExternal public void writeExternal(ObjectOutput out) throws IOException(Code) See Also:   java.io.Externalizable.writeExternal exception:   IOException - Thrown on write error 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)