com.espertech.esper.avro.getter.AvroEventBeanGetterNestedPoly Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of esper-avro Show documentation
Complex event processing and event series analysis component
The newest version!
/*
 ***************************************************************************************
 *  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.PropertyAccessException;
import com.espertech.esper.codegen.base.CodegenClassScope;
import com.espertech.esper.codegen.base.CodegenMethodScope;
import com.espertech.esper.codegen.model.expression.CodegenExpression;
import com.espertech.esper.event.EventPropertyGetterSPI;
import org.apache.avro.generic.GenericData;

import static com.espertech.esper.avro.getter.AvroEventBeanGetterDynamicPoly.*;
import static com.espertech.esper.avro.getter.AvroEventBeanGetterDynamicPoly.getAvroFieldValuePoly;
import static com.espertech.esper.codegen.model.expression.CodegenExpressionBuilder.*;

public class AvroEventBeanGetterNestedPoly implements EventPropertyGetterSPI {
    private final int top;
    private final AvroEventPropertyGetter[] getters;

    public AvroEventBeanGetterNestedPoly(int top, AvroEventPropertyGetter[] getters) {
        this.top = top;
        this.getters = getters;
    }

    public Object get(EventBean eventBean) throws PropertyAccessException {
        GenericData.Record record = (GenericData.Record) eventBean.getUnderlying();
        GenericData.Record inner = (GenericData.Record) record.get(top);
        return getAvroFieldValuePoly(inner, getters);
    }

    public boolean isExistsProperty(EventBean eventBean) {
        GenericData.Record record = (GenericData.Record) eventBean.getUnderlying();
        GenericData.Record inner = (GenericData.Record) record.get(top);
        return getAvroFieldValuePolyExists(inner, getters);
    }

    public Object getFragment(EventBean eventBean) throws PropertyAccessException {
        GenericData.Record record = (GenericData.Record) eventBean.getUnderlying();
        GenericData.Record inner = (GenericData.Record) record.get(top);
        return getAvroFieldFragmentPoly(inner, getters);
    }

    public CodegenExpression eventBeanGetCodegen(CodegenExpression beanExpression, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope) {
        return underlyingGetCodegen(castUnderlying(GenericData.Record.class, beanExpression), codegenMethodScope, codegenClassScope);
    }

    public CodegenExpression eventBeanExistsCodegen(CodegenExpression beanExpression, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope) {
        return underlyingExistsCodegen(castUnderlying(GenericData.Record.class, beanExpression), codegenMethodScope, codegenClassScope);
    }

    public CodegenExpression eventBeanFragmentCodegen(CodegenExpression beanExpression, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope) {
        return underlyingFragmentCodegen(castUnderlying(GenericData.Record.class, beanExpression), codegenMethodScope, codegenClassScope);
    }

    public CodegenExpression underlyingGetCodegen(CodegenExpression underlyingExpression, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope) {
        return localMethod(getAvroFieldValuePolyCodegen(codegenMethodScope, codegenClassScope, getters), cast(GenericData.Record.class, exprDotMethod(underlyingExpression, "get", constant(top))));
    }

    public CodegenExpression underlyingExistsCodegen(CodegenExpression underlyingExpression, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope) {
        return localMethod(getAvroFieldValuePolyExistsCodegen(codegenMethodScope, codegenClassScope, getters), cast(GenericData.Record.class, exprDotMethod(underlyingExpression, "get", constant(top))));
    }

    public CodegenExpression underlyingFragmentCodegen(CodegenExpression underlyingExpression, CodegenMethodScope codegenMethodScope, CodegenClassScope codegenClassScope) {
        return localMethod(getAvroFieldFragmentPolyCodegen(codegenMethodScope, codegenClassScope, getters), cast(GenericData.Record.class, exprDotMethod(underlyingExpression, "get", constant(top))));
    }
}