com.xdev.jadoth.criteria.Criteria Maven / Gradle / Ivy
package com.xdev.jadoth.criteria;
/*-
* #%L
* XDEV Application Framework
* %%
* Copyright (C) 2003 - 2020 XDEV Software
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
/**
*
*/
/**
* @author Thomas Muenz
*
*/
public abstract class Criteria implements Criterion
{
///////////////////////////////////////////////////////////////////////////
// instance fields //
////////////////////
private final Criterion[] criteria;
///////////////////////////////////////////////////////////////////////////
// constructors //
/////////////////
public Criteria(final Criterion... criteria)
{
super();
this.criteria = criteria;
}
///////////////////////////////////////////////////////////////////////////
// getters //
/////////////////////
/**
* @return the criteria
*/
public Criterion[] getCriteria()
{
return this.criteria;
}
//Below here are just String representation methods that don't influence actual logic
protected abstract StringBuilder assembleOperator(StringBuilder sb);
protected StringBuilder assemble(final StringBuilder sb)
{
sb.append('(');
boolean notEmtpy = false;
for(final Criterion c : this.criteria) {
if(notEmtpy){
this.assembleOperator(sb);
}
else {
notEmtpy = true;
}
sb.append(c);
}
sb.append(')');
return sb;
}
/**
* @return
* @see java.lang.Object#toString()
*/
@Override
public String toString()
{
return this.assemble(new StringBuilder(1024)).toString();
}
}
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