/** * Signify that this batch of input to the filter is finished. If the filter * requires all instances prior to filtering, output() may now be called to * retrieve the filtered instances. * * @return true if there are instances pending output * @throws IllegalStateException if no input structure has been defined */ @Override public boolean batchFinished() { if (getInputFormat() == null) { throw new IllegalStateException("No input instance format defined"); } if (!isFirstBatchDone()) { m_Counter = 0; // Convert pending input instances for (int i = 0; i < getInputFormat().numInstances(); i++) { convertInstance(getInputFormat().instance(i)); } } // Free memory flushInput(); m_NewBatch = true; m_FirstBatchDone = true; return (numPendingOutput() != 0); }
/** * Signify that this batch of input to the filter is finished. If the filter * requires all instances prior to filtering, output() may now be called to * retrieve the filtered instances. * * @return true if there are instances pending output * @throws IllegalStateException if no input structure has been defined */ @Override public boolean batchFinished() { if (getInputFormat() == null) { throw new IllegalStateException("No input instance format defined"); } if (!isFirstBatchDone()) { m_Counter = 0; // Convert pending input instances for (int i = 0; i < getInputFormat().numInstances(); i++) { convertInstance(getInputFormat().instance(i)); } } // Free memory flushInput(); m_NewBatch = true; m_FirstBatchDone = true; return (numPendingOutput() != 0); }
/** * Input an instance for filtering. Filter requires all training instances be * read before producing output. * * @param instance the input instance * @return true if the filtered instance may now be collected with output(). * @throws IllegalStateException if no input format has been set. */ @Override public boolean input(Instance instance) { if (getInputFormat() == null) { throw new IllegalStateException("No input instance format defined"); } if (m_NewBatch) { resetQueue(); m_NewBatch = false; } if (!isFirstBatchDone()) { bufferInput(instance); return false; } else { convertInstance(instance); return true; } }
/** * Input an instance for filtering. Filter requires all training instances be * read before producing output. * * @param instance the input instance * @return true if the filtered instance may now be collected with output(). * @throws IllegalStateException if no input format has been set. */ @Override public boolean input(Instance instance) { if (getInputFormat() == null) { throw new IllegalStateException("No input instance format defined"); } if (m_NewBatch) { resetQueue(); m_NewBatch = false; } if (!isFirstBatchDone()) { bufferInput(instance); return false; } else { convertInstance(instance); return true; } }
if (getInputFormat() != null) { setInputFormat(getInputFormat());
if (getInputFormat() != null) { setInputFormat(getInputFormat());
/** * Sets the format of the input instances. * * @param instanceInfo an Instances object containing the input instance * structure (any instances contained in the object are ignored - * only the structure is required). * @return true if the outputFormat may be collected immediately * @throws Exception if the format couldn't be set successfully */ @Override public boolean setInputFormat(Instances instanceInfo) throws Exception { Instances outputFormat; Attribute newAttribute; super.setInputFormat(instanceInfo); m_Counter = -1; m_Index.setUpper(instanceInfo.numAttributes()); outputFormat = new Instances(instanceInfo, 0); newAttribute = new Attribute(m_Name); if ((m_Index.getIndex() < 0) || (m_Index.getIndex() > getInputFormat().numAttributes())) { throw new IllegalArgumentException("Index out of range"); } outputFormat.insertAttributeAt(newAttribute, m_Index.getIndex()); setOutputFormat(outputFormat); return true; }
/** * Sets the format of the input instances. * * @param instanceInfo an Instances object containing the input instance * structure (any instances contained in the object are ignored - * only the structure is required). * @return true if the outputFormat may be collected immediately * @throws Exception if the format couldn't be set successfully */ @Override public boolean setInputFormat(Instances instanceInfo) throws Exception { Instances outputFormat; Attribute newAttribute; super.setInputFormat(instanceInfo); m_Counter = -1; m_Index.setUpper(instanceInfo.numAttributes()); outputFormat = new Instances(instanceInfo, 0); newAttribute = new Attribute(m_Name); if ((m_Index.getIndex() < 0) || (m_Index.getIndex() > getInputFormat().numAttributes())) { throw new IllegalArgumentException("Index out of range"); } outputFormat.insertAttributeAt(newAttribute, m_Index.getIndex()); setOutputFormat(outputFormat); return true; }