// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
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//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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package jodd.db.oom.sqlgen.chunks;
import java.util.Collection;
/**
* Defines SQL parameter and its value. Name may be <code>null</code> and will be
* automatically generated. Collections are recognized and will be rendered into
* the list of values.
* <p>
* For the <b>last</b> value use {@link ColumnValueChunk}!
*/
public class ValueChunk extends SqlChunk {
protected final String name;
protected Object value;
protected final String objReference;
public ValueChunk(String name, Object value) {
this(name, value, null);
}
public ValueChunk(String objReference) {
this(null, null, objReference);
}
protected ValueChunk(String name, Object value, String objReference) {
super(CHUNK_VALUE);
this.name = name;
this.value = value;
this.objReference = objReference;
}
@Override
public void process(StringBuilder out) {
if (objReference != null) {
value = templateData.lookupObject(objReference);
}
if (value != null) {
if (value instanceof Collection) {
Collection collection = (Collection) value;
int counter = 0;
for (Object obj : collection) {
if (counter > 0) {
out.append(',').append(' ');
}
defineParameter(out, name + counter, obj, null);
counter++;
}
return;
}
}
defineParameter(out, name, value, null);
}
}