gvsig-raster / org.gvsig.raster.cache / trunk / org.gvsig.raster.cache / org.gvsig.raster.cache.lib.impl / deprecated / buffer / impl / stripecache / CacheBand.java @ 1939
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package org.gvsig.raster.cache.buffer.impl.stripecache; |
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import org.gvsig.raster.cache.buffer.exception.InvalidPageNumberException; |
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import org.gvsig.raster.cache.buffer.exception.OperationNotSupportedException; |
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import org.gvsig.raster.cache.buffer.impl.BandImpl; |
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/**
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* Clase base para las bandas de un RasterMemoryBuffer.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public abstract class CacheBand extends BandImpl { |
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protected Cache cache = null; |
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protected LRUAlgorithm lru = null; |
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/**
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* Band number in the list of the raster
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*/
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protected int nBand = -1; |
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private int lastLine = -1; |
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/**
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* Constructor a llamar desde las clases hijas
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*/
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public CacheBand(Cache cache, LRUAlgorithm lru, int nBand) { |
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super( cache.getDataSourceWidth(),
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cache.getDataSourceHeight()); |
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this.cache = cache;
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this.lru = lru;
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this.nBand = nBand;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getBlockHeight()
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*/
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public int getBlockSize() { |
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return cache.getHPag();
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} |
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/**
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* Get associated cache
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* @return Cache
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*/
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public Cache getCache() {
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return cache;
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} |
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/**
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* Set associated cache
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* @param Cache
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*/
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public void setCache(Cache cache) { |
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this.cache = cache;
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} |
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/**
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* Get LruAlgorithm class associated
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* @return LRUAlgorithm
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*/
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public LRUAlgorithm getLruAlgorithm() {
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return lru;
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} |
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/**
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* Set LruAlgorithm class associated
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* @param LRUAlgorithmVertImpl
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*/
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public void setLruAlgorithm(LRUAlgorithm lru) { |
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this.lru = lru;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setBandNumber(int)
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*/
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public void setBandNumber(int band) { |
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this.nBand = band;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getBandNumber()
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*/
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public int getBandNumber() { |
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return this.nBand; |
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} |
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protected boolean exists(int line) { |
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// Store the last line checked so we don't check it again for each
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// pixel of the same line
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if (line != lastLine) {
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try {
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lru.cacheAccess(line, false);
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this.lastLine = line;
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} catch (InvalidPageNumberException e) {
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return false; |
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} catch (InterruptedException e) { |
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return false; |
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} |
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} |
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return true; |
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} |
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//***********************************************
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//Getting a block of data
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getByteBlock(int)
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*/
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public byte[][] getByteBlock(int block){ |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getShortBlock(int)
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*/
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public short[][] getShortBlock(int block){ |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getIntBlock(int)
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*/
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public int[][] getIntBlock(int block){ |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getFloatBlock(int)
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*/
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public float[][] getFloatBlock(int block){ |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getDoubleBlock(int)
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*/
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public double[][] getDoubleBlock(int block){ |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#assign(byte)
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*/
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public void assign(byte value) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#assign(short)
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*/
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public void assign(short value) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#assign(int)
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*/
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public void assign(int value) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#assign(float)
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*/
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public void assign(float value) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#assign(double)
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*/
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public void assign(double value) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getElemByte(int, int)
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*/
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public byte getElemByte(int line, int col) { |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getElemDouble(int, int)
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*/
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public double getElemDouble(int line, int col) { |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getElemFloat(int, int)
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*/
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public float getElemFloat(int line, int col) { |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getElemInt(int, int)
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*/
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public int getElemInt(int line, int col) { |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getElemShort(int, int)
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*/
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public short getElemShort(int line, int col) { |
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return 0; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getByteLine(int)
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*/
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public byte[] getByteLine(int line) throws OperationNotSupportedException { |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getDoubleLine(int)
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*/
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public double[] getDoubleLine(int line) throws OperationNotSupportedException { |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getFloatLine(int)
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*/
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public float[] getFloatLine(int line) throws OperationNotSupportedException { |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getIntLine(int)
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*/
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public int[] getIntLine(int line) throws OperationNotSupportedException { |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#getShortLine(int)
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*/
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public short[] getShortLine(int line) throws OperationNotSupportedException { |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setElem(int, int, byte)
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*/
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public void setElem(int line, int col, byte data) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setElem(int, int, short)
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*/
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public void setElem(int line, int col, short data) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setElem(int, int, int)
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*/
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public void setElem(int line, int col, int data) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setElem(int, int, float)
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*/
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public void setElem(int line, int col, float data) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setElem(int, int, double)
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*/
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public void setElem(int line, int col, double data) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setByteLine(byte[], int)
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*/
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public void setByteLine(byte[] data, int line) throws OperationNotSupportedException {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setDoubleLine(double[], int)
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*/
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public void setDoubleLine(double[] data, int line) throws OperationNotSupportedException {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setFloatLine(float[], int)
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*/
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public void setFloatLine(float[] data, int line) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setIntLine(int[], int)
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*/
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public void setIntLine(int[] data, int line) throws OperationNotSupportedException {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setShortLine(short[], int)
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*/
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public void setShortLine(short[] data, int line) throws OperationNotSupportedException {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setByteBlock(byte[][], int)
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*/
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public void setByteBlock(byte[][] data, int block) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setShortBlock(short[][], int)
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*/
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public void setShortBlock(short[][] data, int block) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setIntBlock(int[][], int)
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*/
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public void setIntBlock(int[][] data, int block) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setFloatBlock(float[][], int)
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*/
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public void setFloatBlock(float[][] data, int block) {} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.buffer.IRasterBand#setDoubleBlock(double[][], int)
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*/
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public void setDoubleBlock(double[][] data, int block) {} |
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} |