org.pentaho.metaverse.impl.model.kettle.json.GenericStepOrJobEntryJsonSerializer.java Source code

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Here is the source code for org.pentaho.metaverse.impl.model.kettle.json.GenericStepOrJobEntryJsonSerializer.java

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 * Pentaho Data Integration
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 * Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.com
 *
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 *
 * 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,
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package org.pentaho.metaverse.impl.model.kettle.json;

import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import org.pentaho.metaverse.api.analyzer.kettle.jobentry.IJobEntryExternalResourceConsumerProvider;
import org.pentaho.metaverse.api.analyzer.kettle.step.IStepExternalResourceConsumerProvider;
import org.pentaho.metaverse.impl.model.kettle.LineageRepository;

import java.io.IOException;

/**
 * User: RFellows Date: 12/15/14
 */
public abstract class GenericStepOrJobEntryJsonSerializer<T> extends StdSerializer<T> {
    public static final String JSON_PROPERTY_TYPE = "type";
    public static final String JSON_PROPERTY_ATTRIBUTES = "attributes";
    public static final String JSON_PROPERTY_FIELDS = "fields";
    public static final String JSON_PROPERTY_EXTERNAL_RESOURCES = "externalResources";

    private LineageRepository lineageRepository;
    private IStepExternalResourceConsumerProvider stepConsumerProvider;
    private IJobEntryExternalResourceConsumerProvider jobEntryConsumerProvider;

    public GenericStepOrJobEntryJsonSerializer(Class<T> aClass) {
        super(aClass);
    }

    public GenericStepOrJobEntryJsonSerializer(JavaType javaType) {
        super(javaType);
    }

    public GenericStepOrJobEntryJsonSerializer(Class<?> aClass, boolean b) {
        super(aClass, b);
    }

    public LineageRepository getLineageRepository() {
        return lineageRepository;
    }

    public void setLineageRepository(LineageRepository repo) {
        this.lineageRepository = repo;
    }

    public IStepExternalResourceConsumerProvider getStepExternalResourceConsumerProvider() {
        return stepConsumerProvider;
    }

    public void setStepExternalResourceConsumerProvider(
            IStepExternalResourceConsumerProvider stepConsumerProvider) {
        this.stepConsumerProvider = stepConsumerProvider;
    }

    public IJobEntryExternalResourceConsumerProvider getJobEntryExternalResourceConsumerProvider() {
        return jobEntryConsumerProvider;
    }

    public void setJobEntryExternalResourceConsumerProvider(
            IJobEntryExternalResourceConsumerProvider jobEntryConsumerProvider) {
        this.jobEntryConsumerProvider = jobEntryConsumerProvider;
    }

    @Override
    public void serialize(T meta, JsonGenerator json, SerializerProvider serializerProvider)
            throws IOException, JsonGenerationException {
        json.writeStartObject();
        writeBasicInfo(meta, json);
        writeRepoAttributes(meta, json);
        writeExternalResources(meta, json, serializerProvider);
        writeCustom(meta, json, serializerProvider);
        json.writeEndObject();
    }

    protected abstract void writeCustom(T meta, JsonGenerator json, SerializerProvider serializerProvider)
            throws IOException;

    protected abstract void writeExternalResources(T meta, JsonGenerator json,
            SerializerProvider serializerProvider) throws IOException;

    protected abstract void writeRepoAttributes(T meta, JsonGenerator json) throws IOException;

    protected abstract void writeBasicInfo(T meta, JsonGenerator json) throws IOException;
}