JDBCRawSqlQueryMetaData (JBoss Server API) - JBoss 4.0.1 sp1 server API Documentation 英文版文档

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org.jboss.ejb.plugins.cmp.jdbc.metadata
Class JDBCRawSqlQueryMetaData

java.lang.Object
  org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCRawSqlQueryMetaData

All Implemented Interfaces:: JDBCQueryMetaData

public final class JDBCRawSqlQueryMetaData
extends Object
implements JDBCQueryMetaData

Imutable class which holds information about a raw sql query. A raw sql query allows you to do anything sql allows you to do.

Version:: $Revision: 1.13 $
Author:: Dain Sundstrom

Constructor Summary

JDBCRawSqlQueryMetaData(Method method, Class qlCompiler, boolean lazyResultSetLoading)
          Constructs a JDBCRawSqlQueryMetaData which is invoked by the specified method.

Method Summary

boolean equals(Object o)
          Compares this JDBCRawSqlQueryMetaData against the specified object.

Method getMethod()
          Gets the method which invokes this query.

Class getQLCompilerClass()


JDBCReadAheadMetaData getReadAhead()
          Gets the read ahead metadata for the query.

int hashCode()
          Returns a hashcode for this JDBCRawSqlQueryMetaData.

boolean isLazyResultSetLoading()


boolean isResultTypeMappingLocal()
          Is the result set of ejbSelect is mapped to local ejb objects or remote ejb objects.

String toString()
          Returns a string describing this JDBCRawSqlQueryMetaData.

Methods inherited from class java.lang.Object

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

Constructor Detail

JDBCRawSqlQueryMetaData

public JDBCRawSqlQueryMetaData(Method method,
                               Class qlCompiler,
                               boolean lazyResultSetLoading)

Constructs a JDBCRawSqlQueryMetaData which is invoked by the specified method.
Parameters:: method - the method which invokes this query

Method Detail

getMethod

public Method getMethod()

Description copied from interface: JDBCQueryMetaData

Gets the method which invokes this query.

Specified by:: getMethod in interface JDBCQueryMetaData

Returns:: the Method object which invokes this query

isResultTypeMappingLocal

public boolean isResultTypeMappingLocal()

Description copied from interface: JDBCQueryMetaData

Is the result set of ejbSelect is mapped to local ejb objects or remote ejb objects.

Specified by:: isResultTypeMappingLocal in interface JDBCQueryMetaData

Returns:: true, if the result set is to be local objects

getQLCompilerClass

public Class getQLCompilerClass()

Specified by:: getQLCompilerClass in interface JDBCQueryMetaData

Returns:: EJBQL compiler implementation

getReadAhead

public JDBCReadAheadMetaData getReadAhead()

Gets the read ahead metadata for the query.

Specified by:: getReadAhead in interface JDBCQueryMetaData

Returns:: the read ahead metadata for the query.

isLazyResultSetLoading

public boolean isLazyResultSetLoading()

Specified by:: isLazyResultSetLoading in interface JDBCQueryMetaData

equals

public boolean equals(Object o)

Compares this JDBCRawSqlQueryMetaData against the specified object. Returns true if the objects are the same. Two JDBCRawSqlQueryMetaData are the same if they are both invoked by the same method.

Parameters:: o - the reference object with which to compare
Returns:: true if this object is the same as the object argument; false otherwise

hashCode

public int hashCode()

Returns a hashcode for this JDBCRawSqlQueryMetaData. The hashcode is computed by the method which invokes this query.

Returns:: a hash code value for this object

toString

public String toString()

Returns a string describing this JDBCRawSqlQueryMetaData. The exact details of the representation are unspecified and subject to change, but the following may be regarded as typical:

"[JDBCRawSqlQueryMetaData: method=public org.foo.User findByName(java.lang.String)]"

Returns:: a string representation of the object