org.drools.core.factmodel.traits.NullTraitType Maven / Gradle / Ivy
/*
* Copyright 2013 Red Hat, Inc. and/or its affiliates.
*
* 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.core.factmodel.traits;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.BitSet;
import java.util.Collections;
import java.util.Map;
public class NullTraitType implements TraitType, Thing, Externalizable {
private BitSet typeCode;
public NullTraitType() {
}
public NullTraitType( BitSet code ) {
typeCode = code;
}
public BitSet _getTypeCode() {
return typeCode;
}
public boolean _isVirtual() {
return true;
}
public String _getTraitName() {
return "";
}
@Override
public boolean _hasTypeCode( BitSet typeCode ) {
return false;
}
public void _setTypeCode(BitSet typeCode) {
this.typeCode = typeCode;
}
public Map getFields() {
return Collections.EMPTY_MAP;
}
public Object getCore() {
return null;
}
public boolean isTop() {
return false;
}
public void writeExternal(ObjectOutput objectOutput) throws IOException {
objectOutput.writeObject( typeCode );
}
public void readExternal(ObjectInput objectInput) throws IOException, ClassNotFoundException {
typeCode = (BitSet) objectInput.readObject();
}
}