001 package org.maltparser.core.syntaxgraph.feature; 002 003 import org.maltparser.core.exception.MaltChainedException; 004 import org.maltparser.core.feature.function.AddressFunction; 005 import org.maltparser.core.feature.value.AddressValue; 006 import org.maltparser.core.io.dataformat.DataFormatInstance; 007 import org.maltparser.core.symbol.TableFeature; 008 import org.maltparser.core.symbol.nullvalue.NullValues.NullValueId; 009 import org.maltparser.core.syntaxgraph.SyntaxGraphException; 010 import org.maltparser.core.syntaxgraph.node.DependencyNode; 011 012 public class InputTableFeature extends TableFeature { 013 protected AddressFunction addressFunction; 014 015 public InputTableFeature(DataFormatInstance dataFormatInstance) throws MaltChainedException { 016 super(); 017 setTableHandler(dataFormatInstance.getSymbolTables()); 018 } 019 020 public void initialize(Object[] arguments) throws MaltChainedException { 021 if (arguments.length != 2) { 022 throw new SyntaxGraphException("Could not initialize InputTableFeature: number of arguments are not correct. "); 023 } 024 if (!(arguments[0] instanceof String)) { 025 throw new SyntaxGraphException("Could not initialize InputTableFeature: the first argument is not a string. "); 026 } 027 if (!(arguments[1] instanceof AddressFunction)) { 028 throw new SyntaxGraphException("Could not initialize InputTableFeature: the second argument is not an address function. "); 029 } 030 setTableName((String)arguments[0]); 031 setSymbolTable(tableHandler.getSymbolTable(getTableName())); 032 setAddressFunction((AddressFunction)arguments[1]); 033 } 034 035 public Class<?>[] getParameterTypes() { 036 Class<?>[] paramTypes = { java.lang.String.class, org.maltparser.core.feature.function.AddressFunction.class }; 037 return paramTypes; 038 } 039 040 public void update() throws MaltChainedException { 041 final AddressValue a = addressFunction.getAddressValue(); 042 043 if (a.getAddress() == null) { 044 if (getSymbolTable() != null) { 045 featureValue.setIndexCode(getSymbolTable().getNullValueCode(NullValueId.NO_NODE)); 046 featureValue.setSymbol(getSymbolTable().getNullValueSymbol(NullValueId.NO_NODE)); 047 } else { 048 featureValue.setIndexCode(0); 049 featureValue.setSymbol("#null"); 050 } 051 // featureValue.setKnown(true); 052 featureValue.setNullValue(true); 053 } else { 054 final DependencyNode node = (DependencyNode)a.getAddress(); 055 if (!node.isRoot()) { 056 if (getSymbolTable() != null && node.hasLabel(getSymbolTable())) { 057 featureValue.setIndexCode(node.getLabelCode(getSymbolTable())); 058 featureValue.setSymbol(getSymbolTable().getSymbolCodeToString(node.getLabelCode(getSymbolTable()))); 059 // featureValue.setKnown(getSymbolTable().getKnown(node.getLabelCode(getSymbolTable()))); 060 featureValue.setNullValue(false); 061 } else { 062 // featureValue.setCode(0); 063 // featureValue.setSymbol("#null"); 064 if (getSymbolTable() != null) { 065 featureValue.setIndexCode(getSymbolTable().getNullValueCode(NullValueId.NO_VALUE)); 066 featureValue.setSymbol(getSymbolTable().getNullValueSymbol(NullValueId.NO_VALUE)); 067 } 068 // else { 069 // featureValue.setCode(0); 070 // featureValue.setSymbol("#null"); 071 // } 072 // featureValue.setKnown(true); 073 featureValue.setNullValue(true); 074 } 075 } else { 076 if (getSymbolTable() != null) { 077 featureValue.setIndexCode(getSymbolTable().getNullValueCode(NullValueId.ROOT_NODE)); 078 featureValue.setSymbol(getSymbolTable().getNullValueSymbol(NullValueId.ROOT_NODE)); 079 } 080 // else { 081 // featureValue.setCode(0); 082 // featureValue.setSymbol("#null"); 083 // } 084 // featureValue.setCode(0); 085 // featureValue.setSymbol("#null"); 086 // featureValue.setKnown(true); 087 featureValue.setNullValue(true); 088 } 089 } 090 featureValue.setValue(1); 091 } 092 093 public AddressFunction getAddressFunction() { 094 return addressFunction; 095 } 096 097 public void setAddressFunction(AddressFunction addressFunction) { 098 this.addressFunction = addressFunction; 099 } 100 101 public boolean equals(Object obj) { 102 if (this == obj) 103 return true; 104 if (obj == null) 105 return false; 106 if (getClass() != obj.getClass()) 107 return false; 108 return obj.toString().equals(toString()); 109 } 110 111 public int hashCode() { 112 return 217 + (null == toString() ? 0 : toString().hashCode()); 113 } 114 115 public String toString() { 116 final StringBuilder sb = new StringBuilder(); 117 sb.append("InputTable("); 118 sb.append(super.toString()); 119 sb.append(", "); 120 sb.append(addressFunction.toString()); 121 sb.append(")"); 122 return sb.toString(); 123 } 124 125 }