/*
* Copyright 2005 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.base;
import org.drools.rule.Declaration;
import org.drools.rule.Query;
import org.drools.rule.Variable;
public final class DroolsQuery extends ArrayElements {
private final String name;
private InternalViewChangedEventListener resultsCollector;
private Query query;
private boolean open;
private Variable[] vars;
public DroolsQuery(final String name,
InternalViewChangedEventListener resultsCollector) {
this( name,
null,
resultsCollector,
false );
}
public DroolsQuery(final String name,
final Object[] params,
final InternalViewChangedEventListener resultsCollector,
final boolean open ) {
super( params );
this.name = name;
this.resultsCollector = resultsCollector;
this.open = open;
// build the indexes to the Variables
if ( params != null ) {
vars = new Variable[params.length];
for ( int i = 0; i < params.length; i++ ) {
// now record the var index positions and replace with null
if ( params[i] == Variable.variable ) {
vars[i] = new Variable( getElements(),
i );
params[i] = null;
}
}
}
}
public String getName() {
return this.name;
}
public Variable[] getVariables() {
return this.vars;
}
public void setQuery(Query query) {
// this is set later, as we don't yet know which Query will match this DroolsQuery propagation
this.query = query;
}
public Query getQuery() {
return this.query;
}
public InternalViewChangedEventListener getQueryResultCollector() {
return this.resultsCollector;
}
public boolean isOpen() {
return open;
}
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if ( this == obj ) return true;
if ( !super.equals( obj ) ) return false;
if ( getClass() != obj.getClass() ) return false;
DroolsQuery other = (DroolsQuery) obj;
if ( name == null ) {
if ( other.name != null ) return false;
} else if ( !name.equals( other.name ) ) return false;
return true;
}
public String toString() {
StringBuilder sbuilder = new StringBuilder();
sbuilder.append( "query: " + name + "\n" + "parameters:\n" );
if (this.query != null) {
for ( Declaration declr : this.query.getParameters() ) {
sbuilder.append( " " );
sbuilder.append( declr.getExtractor().getExtractToClass() + ":" + declr.getIdentifier() );
sbuilder.append( "\n" );
}
}
sbuilder.append( "collector: " + this.resultsCollector );
return sbuilder.toString();
}
}