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CE-938 Add concept of MetaDataProducerMultiOutput

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darin.kelkhoff
2024-05-19 20:22:58 -05:00
parent 485bc618e0
commit 85eae36c28
6 changed files with 141 additions and 5 deletions
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4
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/MetaDataProducerInterface.java
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@ -23,8 +23,8 @@ package com.kingsrook.qqq.backend.core.model;
import com.kingsrook.qqq.backend.core.exceptions.QException;
import com.kingsrook.qqq.backend.core.model.metadata.MetaDataProducerOutput;
import com.kingsrook.qqq.backend.core.model.metadata.QInstance;
import com.kingsrook.qqq.backend.core.model.metadata.TopLevelMetaDataInterface;
/*******************************************************************************
@ -42,7 +42,7 @@ import com.kingsrook.qqq.backend.core.model.metadata.TopLevelMetaDataInterface;
** implement this interface. or, same idea for a QRecordEntity that provides
** its own TableMetaData.
*******************************************************************************/
public interface MetaDataProducerInterface<T extends TopLevelMetaDataInterface>
public interface MetaDataProducerInterface<T extends MetaDataProducerOutput>
{
int DEFAULT_SORT_ORDER = 500;

2
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/MetaDataProducer.java
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@ -30,7 +30,7 @@ import com.kingsrook.qqq.backend.core.model.MetaDataProducerInterface;
** MetaDataProducerHelper, to put point at a package full of these, and populate
** your whole QInstance.
*******************************************************************************/
public abstract class MetaDataProducer<T extends TopLevelMetaDataInterface> implements MetaDataProducerInterface<T>
public abstract class MetaDataProducer<T extends MetaDataProducerOutput> implements MetaDataProducerInterface<T>
{
}

2
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/MetaDataProducerHelper.java
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@ -157,7 +157,7 @@ public class MetaDataProducerHelper
{
try
{
TopLevelMetaDataInterface metaData = producer.produce(instance);
MetaDataProducerOutput metaData = producer.produce(instance);
if(metaData != null)
{
metaData.addSelfToInstance(instance);

101
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/MetaDataProducerMultiOutput.java Normal file
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@ -0,0 +1,101 @@
/*
* QQQ - Low-code Application Framework for Engineers.
* Copyright (C) 2021-2024. Kingsrook, LLC
* 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
* contact@kingsrook.com
* https://github.com/Kingsrook/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package com.kingsrook.qqq.backend.core.model.metadata;
import java.util.ArrayList;
import java.util.List;
import com.kingsrook.qqq.backend.core.utils.CollectionUtils;
/*******************************************************************************
** Output object for a MetaDataProducer, which contains multiple meta-data
** objects.
*******************************************************************************/
public class MetaDataProducerMultiOutput implements MetaDataProducerOutput
{
private List<MetaDataProducerOutput> contents;
/*******************************************************************************
**
*******************************************************************************/
@Override
public void addSelfToInstance(QInstance instance)
{
for(MetaDataProducerOutput metaDataProducerOutput : CollectionUtils.nonNullList(contents))
{
metaDataProducerOutput.addSelfToInstance(instance);
}
}
/*******************************************************************************
**
*******************************************************************************/
public void add(MetaDataProducerOutput metaDataProducerOutput)
{
if(contents == null)
{
contents = new ArrayList<>();
}
contents.add(metaDataProducerOutput);
}
/*******************************************************************************
**
*******************************************************************************/
public MetaDataProducerMultiOutput with(MetaDataProducerOutput metaDataProducerOutput)
{
add(metaDataProducerOutput);
return (this);
}
/*******************************************************************************
**
*******************************************************************************/
public <T extends MetaDataProducerOutput> List<T> getEach(Class<T> c)
{
List<T> rs = new ArrayList<>();
for(MetaDataProducerOutput content : contents)
{
if(content instanceof MetaDataProducerMultiOutput multiOutput)
{
rs.addAll(multiOutput.getEach(c));
}
else if(c.isInstance(content))
{
rs.add(c.cast(content));
}
}
return (rs);
}
}

35
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/MetaDataProducerOutput.java Normal file
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@ -0,0 +1,35 @@
/*
* QQQ - Low-code Application Framework for Engineers.
* Copyright (C) 2021-2024. Kingsrook, LLC
* 651 N Broad St Ste 205 # 6917 | Middletown DE 19709 | United States
* contact@kingsrook.com
* https://github.com/Kingsrook/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package com.kingsrook.qqq.backend.core.model.metadata;
/*******************************************************************************
** Interface to mark objects that can be produced by a MetaDataProducer.
**
** These would usually be TopLevelMetaData objects (a table, a process, etc)
** but can also be a MetaDataProducerMultiOutput, to produce multiple objects
** from one producer.
*******************************************************************************/
public interface MetaDataProducerOutput
{
void addSelfToInstance(QInstance instance);
}

2
qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/model/metadata/TopLevelMetaDataInterface.java
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@ -26,7 +26,7 @@ package com.kingsrook.qqq.backend.core.model.metadata;
** Interface for meta-data classes that can be added directly (e.g, at the top
** level) to a QInstance (such as a QTableMetaData - not a QFieldMetaData).
*******************************************************************************/
public interface TopLevelMetaDataInterface
public interface TopLevelMetaDataInterface extends MetaDataProducerOutput
{
/*******************************************************************************