package org.maltparserx.core.syntaxgraph.feature;
import org.maltparserx.core.exception.MaltChainedException;
import org.maltparserx.core.feature.function.AddressFunction;
import org.maltparserx.core.feature.value.AddressValue;
import org.maltparserx.core.io.dataformat.ColumnDescription;
import org.maltparserx.core.io.dataformat.DataFormatInstance;
import org.maltparserx.core.symbol.TableFeature;
import org.maltparserx.core.symbol.nullvalue.NullValues.NullValueId;
import org.maltparserx.core.syntaxgraph.SyntaxGraphException;
import org.maltparserx.core.syntaxgraph.node.DependencyNode;
public class InputTableFeature extends TableFeature {
protected AddressFunction addressFunction;
public InputTableFeature(DataFormatInstance dataFormatInstance) throws MaltChainedException {
super();
setTableHandler(dataFormatInstance.getSymbolTables());
}
public void initialize(Object[] arguments) throws MaltChainedException {
if (arguments.length != 2) {
throw new SyntaxGraphException("Could not initialize InputTableFeature: number of arguments are not correct. ");
}
if (!(arguments[0] instanceof String)) {
throw new SyntaxGraphException("Could not initialize InputTableFeature: the first argument is not a string. ");
}
if (!(arguments[1] instanceof AddressFunction)) {
throw new SyntaxGraphException("Could not initialize InputTableFeature: the second argument is not an address function. ");
}
setTableName((String)arguments[0]);
setSymbolTable(tableHandler.getSymbolTable(getTableName()));
setAddressFunction((AddressFunction)arguments[1]);
setType(ColumnDescription.STRING); // TODO Probably it could possible to vary the type
}
public Class<?>[] getParameterTypes() {
Class<?>[] paramTypes = { java.lang.String.class, org.maltparserx.core.feature.function.AddressFunction.class };
return paramTypes;
}
public void update() throws MaltChainedException {
final AddressValue a = addressFunction.getAddressValue();
if (a.getAddress() == null) {
if (getSymbolTable() != null) {
featureValue.setIndexCode(getSymbolTable().getNullValueCode(NullValueId.NO_NODE));
featureValue.setSymbol(getSymbolTable().getNullValueSymbol(NullValueId.NO_NODE));
} else {
featureValue.setIndexCode(0);
featureValue.setSymbol("#null");
}
// featureValue.setKnown(true);
featureValue.setNullValue(true);
} else {
final DependencyNode node = (DependencyNode)a.getAddress();
if (!node.isRoot()) {
if (getSymbolTable() != null && node.hasLabel(getSymbolTable())) {
featureValue.setIndexCode(node.getLabelCode(getSymbolTable()));
featureValue.setSymbol(getSymbolTable().getSymbolCodeToString(node.getLabelCode(getSymbolTable())));
// featureValue.setKnown(getSymbolTable().getKnown(node.getLabelCode(getSymbolTable())));
featureValue.setNullValue(false);
} else {
// featureValue.setCode(0);
// featureValue.setSymbol("#null");
if (getSymbolTable() != null) {
featureValue.setIndexCode(getSymbolTable().getNullValueCode(NullValueId.NO_VALUE));
featureValue.setSymbol(getSymbolTable().getNullValueSymbol(NullValueId.NO_VALUE));
}
// else {
// featureValue.setCode(0);
// featureValue.setSymbol("#null");
// }
// featureValue.setKnown(true);
featureValue.setNullValue(true);
}
} else {
if (getSymbolTable() != null) {
featureValue.setIndexCode(getSymbolTable().getNullValueCode(NullValueId.ROOT_NODE));
featureValue.setSymbol(getSymbolTable().getNullValueSymbol(NullValueId.ROOT_NODE));
}
// else {
// featureValue.setCode(0);
// featureValue.setSymbol("#null");
// }
// featureValue.setCode(0);
// featureValue.setSymbol("#null");
// featureValue.setKnown(true);
featureValue.setNullValue(true);
}
}
featureValue.setValue(1);
}
public AddressFunction getAddressFunction() {
return addressFunction;
}
public void setAddressFunction(AddressFunction addressFunction) {
this.addressFunction = addressFunction;
}
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
return obj.toString().equals(toString());
}
public int hashCode() {
return 217 + (null == toString() ? 0 : toString().hashCode());
}
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("InputTable(");
sb.append(super.toString());
sb.append(", ");
sb.append(addressFunction.toString());
sb.append(")");
return sb.toString();
}
}