data/splittable/SplittableLLProxyGrid.java

package appl.parallel.data.splittable;

import java.awt.Rectangle;
import java.io.Serializable;

import schmitzm.data.WritableGrid;
import appl.data.DataLoader;
import appl.data.WritableGridLLProxy;
import appl.parallel.spmd.split.DataPartition;
import appl.parallel.spmd.split.SplittableGrid;
import appl.parallel.spmd.split.WritableGridPartition;
import appl.parallel.util.PartitionUtil;
import appl.util.RasterMetaData;
import edu.bonn.xulu.appl.XuluRegistry;
import edu.bonn.xulu.io.ImportFactory;
import edu.bonn.xulu.plugin.io.grid.WritableGridFactory;

/**
 * @version 1.0
 */
public class SplittableLLProxyGrid extends WritableGridLLProxy implements
                SplittableGrid, Serializable {

        private final int id;

        public SplittableLLProxyGrid(ImportFactory importFac,
                        RasterMetaData metaData, Object inputPara, XuluRegistry reg) {
                super(importFac, metaData, inputPara, reg);
                id = this.hashCode();
        }

        public SplittableLLProxyGrid(WritableGridFactory targetFactory,
                        RasterMetaData metaData) {
                super(targetFactory, metaData);
                id = this.hashCode();
        }

        public SplittableLLProxyGrid(RasterMetaData metaData, int id) {
                super(metaData);
                this.id = id;
        }

        /*
         * (non-Javadoc)
         *
         * @see appl.parallel.spmd.split.SplittableResource#getFileSystemLoader()
         */
        public DataLoader getLocalLoader() {
                return this.intialDataLoader;
        }

        /*
         * (non-Javadoc)
         *
         * @see appl.parallel.spmd.split.SplittableResource#getID()
         */
        public int getRootID() {
                return this.id;
        }

        /*
         * (non-Javadoc)
         *
         * @see appl.parallel.spmd.split.SplittableResource#getPartition(java.awt.Rectangle)
         */
        public WritableGridPartition getPartition(Rectangle partitionBounds) {
                if (!loaded)
                        tryLoadingGrid();
                return PartitionUtil.getPartitialGrid2D(this, partitionBounds,
                                getRootID());
        }

        /**
         * Overwrites the data at the location specified by the {@link Rectangle}
         * with the given partition-data.
         *
         * @param partition
         *            the grid to be inserted which MUST be an instance of
         *            {@link WritableGrid}!
         * @param partitionBounds
         *            the target location of the data
         * @see appl.parallel.spmd.split.DataPartition#setPartition(DataPartition,
         *      java.awt.Rectangle)
         */
        public void setPartition(DataPartition partition, Rectangle partitionBounds) {
                if (!loaded)
                        tryLoadingGrid();
                if (!(partition instanceof WritableGrid))
                        throw new UnsupportedOperationException(
                                        "The partition must be an instance of WritableGrid!");
                PartitionUtil.setPartition(this, (WritableGrid) partition,
                                partitionBounds);
        }

        /*
         * (non-Javadoc)
         *
         * @see appl.parallel.spmd.split.SplittableResource#getSplitHeight()
         */
        public int getSplitHeight() {
                return this.getHeight();
        }

        /*
         * (non-Javadoc)
         *
         * @see appl.parallel.spmd.split.SplittableResource#getSplitWidth()
         */
        public int getSplitWidth() {
                return this.getWidth();
        }

        /*
         * (non-Javadoc)
         *
         * @see appl.parallel.spmd.split.DataPartition#getPartitionBounds()
         */
        public Rectangle getPartitionBounds() {
                return new Rectangle(0, 0, this.getWidth(), this.getHeight());
        }

        /*
         * (non-Javadoc)
         *
         * @see appl.parallel.spmd.split.DataPartition#getEmpty()
         */
        public DataPartition getEmpty(int id) {
                return new SplittableLLProxyGrid(this.metaData, id);
        }

}
1	mojays	2	package appl.parallel.data.splittable;
2
3			import java.awt.Rectangle;
4			import java.io.Serializable;
5
6			import schmitzm.data.WritableGrid;
7			import appl.data.DataLoader;
8			import appl.data.WritableGridLLProxy;
9			import appl.parallel.spmd.split.DataPartition;
10			import appl.parallel.spmd.split.SplittableGrid;
11			import appl.parallel.spmd.split.WritableGridPartition;
12			import appl.parallel.util.PartitionUtil;
13			import appl.util.RasterMetaData;
14			import edu.bonn.xulu.appl.XuluRegistry;
15			import edu.bonn.xulu.io.ImportFactory;
16			import edu.bonn.xulu.plugin.io.grid.WritableGridFactory;
17
18			/**
19			* @version 1.0
20			*/
21			public class SplittableLLProxyGrid extends WritableGridLLProxy implements
22			SplittableGrid, Serializable {
23
24			private final int id;
25
26			public SplittableLLProxyGrid(ImportFactory importFac,
27			RasterMetaData metaData, Object inputPara, XuluRegistry reg) {
28			super(importFac, metaData, inputPara, reg);
29			id = this.hashCode();
30			}
31
32			public SplittableLLProxyGrid(WritableGridFactory targetFactory,
33			RasterMetaData metaData) {
34			super(targetFactory, metaData);
35			id = this.hashCode();
36			}
37
38			public SplittableLLProxyGrid(RasterMetaData metaData, int id) {
39			super(metaData);
40			this.id = id;
41			}
42
43			/*
44			* (non-Javadoc)
45			*
46			* @see appl.parallel.spmd.split.SplittableResource#getFileSystemLoader()
47			*/
48			public DataLoader getLocalLoader() {
49			return this.intialDataLoader;
50			}
51
52			/*
53			* (non-Javadoc)
54			*
55			* @see appl.parallel.spmd.split.SplittableResource#getID()
56			*/
57			public int getRootID() {
58			return this.id;
59			}
60
61			/*
62			* (non-Javadoc)
63			*
64			* @see appl.parallel.spmd.split.SplittableResource#getPartition(java.awt.Rectangle)
65			*/
66			public WritableGridPartition getPartition(Rectangle partitionBounds) {
67			if (!loaded)
68			tryLoadingGrid();
69			return PartitionUtil.getPartitialGrid2D(this, partitionBounds,
70			getRootID());
71			}
72
73			/**
74			* Overwrites the data at the location specified by the {@link Rectangle}
75			* with the given partition-data.
76			*
77			* @param partition
78			* the grid to be inserted which MUST be an instance of
79			* {@link WritableGrid}!
80			* @param partitionBounds
81			* the target location of the data
82			* @see appl.parallel.spmd.split.DataPartition#setPartition(DataPartition,
83			* java.awt.Rectangle)
84			*/
85			public void setPartition(DataPartition partition, Rectangle partitionBounds) {
86			if (!loaded)
87			tryLoadingGrid();
88			if (!(partition instanceof WritableGrid))
89			throw new UnsupportedOperationException(
90			"The partition must be an instance of WritableGrid!");
91			PartitionUtil.setPartition(this, (WritableGrid) partition,
92			partitionBounds);
93			}
94
95			/*
96			* (non-Javadoc)
97			*
98			* @see appl.parallel.spmd.split.SplittableResource#getSplitHeight()
99			*/
100			public int getSplitHeight() {
101			return this.getHeight();
102			}
103
104			/*
105			* (non-Javadoc)
106			*
107			* @see appl.parallel.spmd.split.SplittableResource#getSplitWidth()
108			*/
109			public int getSplitWidth() {
110			return this.getWidth();
111			}
112
113			/*
114			* (non-Javadoc)
115			*
116			* @see appl.parallel.spmd.split.DataPartition#getPartitionBounds()
117			*/
118			public Rectangle getPartitionBounds() {
119			return new Rectangle(0, 0, this.getWidth(), this.getHeight());
120			}
121
122			/*
123			* (non-Javadoc)
124			*
125			* @see appl.parallel.spmd.split.DataPartition#getEmpty()
126			*/
127			public DataPartition getEmpty(int id) {
128			return new SplittableLLProxyGrid(this.metaData, id);
129			}
130
131			}