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69 lines
1.7 KiB
Java
69 lines
1.7 KiB
Java
/**
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* Copyright (c) 2012 Todoroo Inc
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*
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* See the file "LICENSE" for the full license governing this code.
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*/
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package com.todoroo.andlib.data;
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import com.todoroo.andlib.sql.SqlTable;
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/**
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* Table class. Most fields are final, so methods such as <code>as</code> will
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* clone the table when it returns.
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*
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* @author Tim Su <tim@todoroo.com>
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*
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*/
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public final class Table extends SqlTable {
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public final String name;
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public final Class<? extends AbstractModel> modelClass;
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public Table(String name, Class<? extends AbstractModel> modelClass) {
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this(name, modelClass, null);
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}
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public Table(String name, Class<? extends AbstractModel> modelClass, String alias) {
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super(name);
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this.name = name;
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this.alias = alias;
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this.modelClass = modelClass;
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}
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/**
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* Reads a list of properties from model class by reflection
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* @return property array
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*/
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public Property<?>[] getProperties() {
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try {
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return (Property<?>[])modelClass.getField("PROPERTIES").get(null);
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} catch (IllegalArgumentException | NoSuchFieldException | IllegalAccessException | SecurityException e) {
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throw new RuntimeException(e);
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}
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}
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// --- for sql-dsl
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/**
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* Create a new join table based on this table, but with an alias
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*/
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@Override
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public Table as(String newAlias) {
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return new Table(name, modelClass, newAlias);
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}
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@Override
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public String toString() {
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if(hasAlias()) {
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return expression + " AS " + alias; //$NON-NLS-1$
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}
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return expression;
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}
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public String name() {
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if(hasAlias()) {
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return alias;
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}
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return name;
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}
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}
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