package org.drools.lang.descr; /* * 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. */ import java.util.ArrayList; import java.util.List; public class AndDescr extends BaseDescr implements ConditionalElementDescr { /** * */ private static final long serialVersionUID = 510l; private List descrs = new ArrayList(); public AndDescr() { } public void addDescr(final BaseDescr baseDescr) { this.descrs.add( baseDescr ); if( baseDescr instanceof FieldBindingDescr ) { FieldBindingDescr fbd = (FieldBindingDescr) baseDescr; if( fbd.getFieldConstraint() != null ) { this.descrs.add( fbd.getFieldConstraint() ); fbd.setFieldConstraint( null ); } } } public void insertDescr(int index, final BaseDescr baseDescr) { if( baseDescr instanceof FieldBindingDescr ) { FieldBindingDescr fbd = (FieldBindingDescr) baseDescr; if( fbd.getFieldConstraint() != null ) { this.descrs.add(index, fbd.getFieldConstraint() ); fbd.setFieldConstraint( null ); } } this.descrs.add( index, baseDescr ); } public void insertBeforeLast(final Class clazz, final BaseDescr baseDescr) { if ( this.descrs.isEmpty() ) { addDescr( baseDescr ); return; } for ( int i = this.descrs.size() - 1; i >= 0; i-- ) { if ( clazz.isInstance( this.descrs.get( i ) ) ) { insertDescr( i, baseDescr ); return; } } addDescr( baseDescr ); } public List getDescrs() { return this.descrs; } public void addOrMerge(final BaseDescr baseDescr) { if ( baseDescr instanceof AndDescr ) { for( BaseDescr descr : (List<BaseDescr>)((AndDescr) baseDescr).getDescrs() ) { addDescr( descr ); } } else { addDescr( baseDescr ); } } @Override public String toString() { return "[AND "+descrs+" ]"; } }