Android Open Source - guerrillaprose Media Dao

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License

The source code is released under:
GNU General Public License
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Java Source Code

package de.handler.mobile.android.bachelorapp.app.database;
//from  w w  w  .ja v  a2  s .  c o  m
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteStatement;

import java.util.ArrayList;
import java.util.List;

import de.greenrobot.dao.AbstractDao;
import de.greenrobot.dao.Property;
import de.greenrobot.dao.internal.DaoConfig;
import de.greenrobot.dao.internal.SqlUtils;
import de.greenrobot.dao.query.Query;
import de.greenrobot.dao.query.QueryBuilder;

// THIS CODE IS GENERATED BY greenDAO, DO NOT EDIT.
/** 
 * DAO for table MEDIA.
*/
public class MediaDao extends AbstractDao<Media, Long> {

    public static final String TABLENAME = "MEDIA";

    /**
     * Properties of entity Media.<br/>
     * Can be used for QueryBuilder and for referencing column names.
    */
    public static class Properties {
        public final static Property Id = new Property(0, Long.class, "id", true, "_id");
        public final static Property Media_author = new Property(1, String.class, "media_author", false, "MEDIA_AUTHOR");
        public final static Property Url = new Property(2, String.class, "url", false, "URL");
        public final static Property Remote_url = new Property(3, String.class, "remote_url", false, "REMOTE_URL");
        public final static Property Media_type_id = new Property(4, Long.class, "media_type_id", false, "MEDIA_TYPE_ID");
    };

    private DaoSession daoSession;

    private Query<Media> mediaType_MediaListQuery;

    public MediaDao(DaoConfig config) {
        super(config);
    }
    
    public MediaDao(DaoConfig config, DaoSession daoSession) {
        super(config, daoSession);
        this.daoSession = daoSession;
    }

    /** Creates the underlying database table. */
    public static void createTable(SQLiteDatabase db, boolean ifNotExists) {
        String constraint = ifNotExists? "IF NOT EXISTS ": "";
        db.execSQL("CREATE TABLE " + constraint + "'MEDIA' (" + //
                "'_id' INTEGER PRIMARY KEY AUTOINCREMENT ," + // 0: id
                "'MEDIA_AUTHOR' TEXT," + // 1: media_author
                "'URL' TEXT NOT NULL ," + // 2: url
                "'REMOTE_URL' TEXT," + // 3: remote_url
                "'MEDIA_TYPE_ID' INTEGER);"); // 4: media_type_id
    }

    /** Drops the underlying database table. */
    public static void dropTable(SQLiteDatabase db, boolean ifExists) {
        String sql = "DROP TABLE " + (ifExists ? "IF EXISTS " : "") + "'MEDIA'";
        db.execSQL(sql);
    }

    /** @inheritdoc */
    @Override
    protected void bindValues(SQLiteStatement stmt, Media entity) {
        stmt.clearBindings();
 
        Long id = entity.getId();
        if (id != null) {
            stmt.bindLong(1, id);
        }
 
        String media_author = entity.getMedia_author();
        if (media_author != null) {
            stmt.bindString(2, media_author);
        }
        stmt.bindString(3, entity.getUrl());
 
        String remote_url = entity.getRemote_url();
        if (remote_url != null) {
            stmt.bindString(4, remote_url);
        }
 
        Long media_type_id = entity.getMedia_type_id();
        if (media_type_id != null) {
            stmt.bindLong(5, media_type_id);
        }
    }

    @Override
    protected void attachEntity(Media entity) {
        super.attachEntity(entity);
        entity.__setDaoSession(daoSession);
    }

    /** @inheritdoc */
    @Override
    public Long readKey(Cursor cursor, int offset) {
        return cursor.isNull(offset + 0) ? null : cursor.getLong(offset + 0);
    }    

    /** @inheritdoc */
    @Override
    public Media readEntity(Cursor cursor, int offset) {
        Media entity = new Media( //
            cursor.isNull(offset + 0) ? null : cursor.getLong(offset + 0), // id
            cursor.isNull(offset + 1) ? null : cursor.getString(offset + 1), // media_author
            cursor.getString(offset + 2), // url
            cursor.isNull(offset + 3) ? null : cursor.getString(offset + 3), // remote_url
            cursor.isNull(offset + 4) ? null : cursor.getLong(offset + 4) // media_type_id
        );
        return entity;
    }
     
    /** @inheritdoc */
    @Override
    public void readEntity(Cursor cursor, Media entity, int offset) {
        entity.setId(cursor.isNull(offset + 0) ? null : cursor.getLong(offset + 0));
        entity.setMedia_author(cursor.isNull(offset + 1) ? null : cursor.getString(offset + 1));
        entity.setUrl(cursor.getString(offset + 2));
        entity.setRemote_url(cursor.isNull(offset + 3) ? null : cursor.getString(offset + 3));
        entity.setMedia_type_id(cursor.isNull(offset + 4) ? null : cursor.getLong(offset + 4));
     }
    
    /** @inheritdoc */
    @Override
    protected Long updateKeyAfterInsert(Media entity, long rowId) {
        entity.setId(rowId);
        return rowId;
    }
    
    /** @inheritdoc */
    @Override
    public Long getKey(Media entity) {
        if(entity != null) {
            return entity.getId();
        } else {
            return null;
        }
    }

    /** @inheritdoc */
    @Override    
    protected boolean isEntityUpdateable() {
        return true;
    }
    
    /** Internal query to resolve the "mediaList" to-many relationship of MediaType. */
    public List<Media> _queryMediaType_MediaList(Long media_type_id) {
        synchronized (this) {
            if (mediaType_MediaListQuery == null) {
                QueryBuilder<Media> queryBuilder = queryBuilder();
                queryBuilder.where(Properties.Media_type_id.eq(null));
                mediaType_MediaListQuery = queryBuilder.build();
            }
        }
        Query<Media> query = mediaType_MediaListQuery.forCurrentThread();
        query.setParameter(0, media_type_id);
        return query.list();
    }

    private String selectDeep;

    protected String getSelectDeep() {
        if (selectDeep == null) {
            StringBuilder builder = new StringBuilder("SELECT ");
            SqlUtils.appendColumns(builder, "T", getAllColumns());
            builder.append(',');
            SqlUtils.appendColumns(builder, "T0", daoSession.getMediaTypeDao().getAllColumns());
            builder.append(" FROM MEDIA T");
            builder.append(" LEFT JOIN MEDIA_TYPE T0 ON T.'MEDIA_TYPE_ID'=T0.'_id'");
            builder.append(' ');
            selectDeep = builder.toString();
        }
        return selectDeep;
    }
    
    protected Media loadCurrentDeep(Cursor cursor, boolean lock) {
        Media entity = loadCurrent(cursor, 0, lock);
        int offset = getAllColumns().length;

        MediaType mediaType = loadCurrentOther(daoSession.getMediaTypeDao(), cursor, offset);
        entity.setMediaType(mediaType);

        return entity;    
    }

    public Media loadDeep(Long key) {
        assertSinglePk();
        if (key == null) {
            return null;
        }

        StringBuilder builder = new StringBuilder(getSelectDeep());
        builder.append("WHERE ");
        SqlUtils.appendColumnsEqValue(builder, "T", getPkColumns());
        String sql = builder.toString();
        
        String[] keyArray = new String[] { key.toString() };
        Cursor cursor = db.rawQuery(sql, keyArray);
        
        try {
            boolean available = cursor.moveToFirst();
            if (!available) {
                return null;
            } else if (!cursor.isLast()) {
                throw new IllegalStateException("Expected unique result, but count was " + cursor.getCount());
            }
            return loadCurrentDeep(cursor, true);
        } finally {
            cursor.close();
        }
    }
    
    /** Reads all available rows from the given cursor and returns a list of new ImageTO objects. */
    public List<Media> loadAllDeepFromCursor(Cursor cursor) {
        int count = cursor.getCount();
        List<Media> list = new ArrayList<Media>(count);
        
        if (cursor.moveToFirst()) {
            if (identityScope != null) {
                identityScope.lock();
                identityScope.reserveRoom(count);
            }
            try {
                do {
                    list.add(loadCurrentDeep(cursor, false));
                } while (cursor.moveToNext());
            } finally {
                if (identityScope != null) {
                    identityScope.unlock();
                }
            }
        }
        return list;
    }
    
    protected List<Media> loadDeepAllAndCloseCursor(Cursor cursor) {
        try {
            return loadAllDeepFromCursor(cursor);
        } finally {
            cursor.close();
        }
    }
    

    /** A raw-style query where you can pass any WHERE clause and arguments. */
    public List<Media> queryDeep(String where, String... selectionArg) {
        Cursor cursor = db.rawQuery(getSelectDeep() + where, selectionArg);
        return loadDeepAllAndCloseCursor(cursor);
    }
 
}
Java Source Code List
