org.objectweb.cjdbc.common.sql.metadata
Class MetadataContainer

java.lang.Object
  java.util.AbstractMap
      java.util.HashMap
          org.objectweb.cjdbc.common.sql.metadata.MetadataContainer

All Implemented Interfaces:

java.lang.Cloneable, java.util.Map, java.io.Serializable

public final class MetadataContainer

extends java.util.HashMap

A MetadataContainer is basically a hashtable of jdbc metadata. We may want to override a few options from the usual Hashtable so I've put it in a separate class.

Version:

1.0

Author:

Nicolas Modrzyk , Emmanuel Cecchet

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.util.HashMap

Nested classes inherited from class java.util.AbstractMap

Field Summary

private java.lang.String	line
private static long	serialVersionUID
private java.lang.String	url

Fields inherited from class java.util.HashMap

Fields inherited from class java.util.AbstractMap

Constructor Summary

MetadataContainer(java.lang.String url)
Creates a new MetadataContainer object

Method Summary

static java.lang.String	getContainerKey(java.lang.String methodName, java.lang.Class[] parametersType, java.lang.Object[] arguments) Get the metadata container key for the given query.
java.lang.String	getUrl() Returns the url value.
boolean	isCompatible(MetadataContainer container, Trace logger) Check to see if two metadata sets are identical.
java.lang.String	toString()

Methods inherited from class java.util.HashMap

clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

line

private final java.lang.String line

url

private java.lang.String url

Constructor Detail

MetadataContainer

public MetadataContainer(java.lang.String url)

Creates a new MetadataContainer object

Parameters:

url - which url is this container pointed to

Method Detail

isCompatible

public boolean isCompatible(MetadataContainer container,
                            Trace logger)

Check to see if two metadata sets are identical. All incompatible values are logged as warning into the logger given.

Parameters:

container - the container to check compatibility with

logger - the logger, if null, echo on stderr

Returns:

true if all metadata are identical.

toString

public java.lang.String toString()

See Also:

Object.toString()

getUrl

public java.lang.String getUrl()

Returns the url value.

Returns:

Returns the url.

getContainerKey

public static java.lang.String getContainerKey(java.lang.String methodName,
                                               java.lang.Class[] parametersType,
                                               java.lang.Object[] arguments)

Get the metadata container key for the given query. Serializes the method call into a "getXXX(Y,Z,...)" String (with name, signature and arguments).

Parameters:

methodName - method invoked to generate the key in the container

parametersType - parameters type of invoked method

arguments - arguments used to invoke the method

Returns:

container key for the given method call