/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.avro.getter;
import com.espertech.esper.avro.core.AvroEventPropertyGetter;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.client.EventPropertyGetter;
import com.espertech.esper.client.PropertyAccessException;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericData;
public class AvroEventBeanGetterNestedDynamicPoly implements EventPropertyGetter {
private final String fieldTop;
private final AvroEventPropertyGetter getter;
public AvroEventBeanGetterNestedDynamicPoly(String fieldTop, AvroEventPropertyGetter getter) {
this.fieldTop = fieldTop;
this.getter = getter;
}
public Object get(EventBean eventBean) throws PropertyAccessException {
GenericData.Record record = (GenericData.Record) eventBean.getUnderlying();
GenericData.Record inner = (GenericData.Record) record.get(fieldTop);
return inner == null ? null : getter.getAvroFieldValue(inner);
}
public boolean isExistsProperty(EventBean eventBean) {
GenericData.Record record = (GenericData.Record) eventBean.getUnderlying();
Schema.Field field = record.getSchema().getField(fieldTop);
if (field == null) {
return false;
}
Object inner = record.get(fieldTop);
if (!(inner instanceof GenericData.Record)) {
return false;
}
return getter.isExistsPropertyAvro((GenericData.Record) inner);
}
public Object getFragment(EventBean eventBean) throws PropertyAccessException {
return null;
}
}