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MIT License
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package de.triplet.simpleprovider.sample; /*from w w w.j ava2 s .co m*/ import de.triplet.simpleprovider.AbstractProvider; import de.triplet.simpleprovider.Column; import de.triplet.simpleprovider.Table; /** * Sample Provider that demonstrates the usage of AbstractProvider. This class does the following: * <ul> * <li>Defines the Authority that will be used in the AndroidManifest</li> * <li>Defines two tables</li> * <li>Shows how to use the <code>since</code> attribute on tables and columns to automatically upgrade the schema</li> * </ul> */ public class BlogProvider extends AbstractProvider { // we have made two changes to our schema so we define the version manually. private static final int SCHEMA_VERSION = 3; @Override protected String getAuthority() { return getContext().getString(R.string.authority); } @Table public class Post { @Column(Column.FieldType.INTEGER) public static final String ID = "_id"; @Column(Column.FieldType.TEXT) public static final String CONTENT = "content"; @Column(Column.FieldType.TEXT) public static final String AUTHOR = "author"; } // this table was added in schema version 2 @Table(since = 2) public class Comment { @Column(Column.FieldType.INTEGER) public static final String ID = "_id"; @Column(Column.FieldType.TEXT) public static final String CONTENT = "content"; // this column was added in schema version 3 @Column(value = Column.FieldType.TEXT, since = 3) public static final String AUTHOR = "author"; @Column(Column.FieldType.INTEGER) public static final String POST_ID = "post_id"; @Column(Column.FieldType.REAL) public static final String TIMESTAMP = "timestamp"; } // we override the schema version so it reflects the changes to our schema. That way // the comments table will be added (since version 2) and the additional field author on // comments will be added (since schema version 3). @Override protected int getSchemaVersion() { return SCHEMA_VERSION; } }