User: dsundstrom
Date: 02/02/26 15:58:17
Added: src/main/org/jboss/ejb/plugins/cmp/jdbc/metadata
JDBCJBossQLQueryMetaData.java
Log:
Initial revison of metadata for new JBossQL queries.
Revision Changes Path
1.1
jboss/src/main/org/jboss/ejb/plugins/cmp/jdbc/metadata/JDBCJBossQLQueryMetaData.java
Index: JDBCJBossQLQueryMetaData.java
===================================================================
/*
* JBoss, the OpenSource J2EE webOS
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package org.jboss.ejb.plugins.cmp.jdbc.metadata;
import java.lang.reflect.Method;
import org.w3c.dom.Element;
import org.jboss.deployment.DeploymentException;
import org.jboss.metadata.MetaData;
import org.jboss.metadata.QueryMetaData;
/**
* Immutable class which contains information about an JBossQL query.
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Dain Sundstrom</a>
* @version $Revision: 1.1 $
*/
public final class JDBCJBossQLQueryMetaData implements JDBCQueryMetaData {
/**
* The method to which this query is bound.
*/
private final Method method;
/**
* The ejb-ql fro the query.
*/
private final String jbossQL;
/**
* Should the query return Local or Remote beans.
*/
private final boolean resultTypeMappingLocal;
/**
* Read ahead meta data.
*/
private final JDBCReadAheadMetaData readAhead;
/**
* Constructs a JDBCJBossQLQueryMetaData with JBossQL declared in the
* jboss-ql elemnt and is invoked by the specified method.
* @param queryMetaData the metadata about this query
*/
public JDBCJBossQLQueryMetaData(
JDBCQueryMetaData jdbcQueryMetaData,
Element element,
Method method,
JDBCReadAheadMetaData readAhead) throws DeploymentException {
this.method = method;
this.readAhead = readAhead;
jbossQL = MetaData.getElementContent(element);
if(jbossQL==null || jbossQL.trim().length()==0) {
throw new DeploymentException("jboss-ql element is empty");
}
resultTypeMappingLocal = jdbcQueryMetaData.isResultTypeMappingLocal();
}
// javadoc in parent class
public Method getMethod() {
return method;
}
/**
* Gets the JBossQL query which will be invoked.
* @return the ejb ql String for this query
*/
public String getJBossQL() {
return jbossQL;
}
// javadoc in parent class
public boolean isResultTypeMappingLocal() {
return resultTypeMappingLocal;
}
/**
* Gets the read ahead metadata for the query.
* @return the read ahead metadata for the query.
*/
public JDBCReadAheadMetaData getReadAhead() {
return readAhead;
}
/**
* Compares this JDBCJBossQLQueryMetaData against the specified object.
* Returns true if the objects are the same. Two JDBCJBossQLQueryMetaData
* are the same if they are both invoked by the same method.
* @param o the reference object with which to compare
* @return true if this object is the same as the object argument;
* false otherwise
*/
public boolean equals(Object o) {
if(o instanceof JDBCJBossQLQueryMetaData) {
return ((JDBCJBossQLQueryMetaData)o).method.equals(method);
}
return false;
}
/**
* Returns a hashcode for this JDBCJBossQLQueryMetaData. The hashcode is
* computed by the method which invokes this query.
* @return a hash code value for this object
*/
public int hashCode() {
return method.hashCode();
}
/**
* Returns a string describing this JDBCJBossQLQueryMetaData. The exact
* details of the representation are unspecified and subject to change, but
* the following may be regarded as typical:
*
* "[JDBCJBossQLQueryMetaData: method=public org.foo.User
* findByName(java.lang.String)]"
*
* @return a string representation of the object
*/
public String toString() {
return "[JDBCJBossQLQueryMetaData : method=" + method + "]";
}
}
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