| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2010, 2014 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Patrick Tasse - Initial API and implementation |
| 11 | *******************************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.tmf.core.filter.model; |
| 14 | |
| 15 | import java.text.NumberFormat; |
| 16 | import java.text.ParseException; |
| 17 | import java.util.ArrayList; |
| 18 | import java.util.List; |
| 19 | |
| 20 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
| 21 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; |
| 22 | |
| 23 | |
| 24 | /** |
| 25 | * Filter node for the comparison operation |
| 26 | * |
| 27 | * @version 1.0 |
| 28 | * @author Patrick Tasse |
| 29 | */ |
| 30 | @SuppressWarnings("javadoc") |
| 31 | public class TmfFilterCompareNode extends TmfFilterTreeNode { |
| 32 | |
| 33 | public static final String NODE_NAME = "COMPARE"; //$NON-NLS-1$ |
| 34 | public static final String NOT_ATTR = "not"; //$NON-NLS-1$ |
| 35 | public static final String FIELD_ATTR = "field"; //$NON-NLS-1$ |
| 36 | public static final String RESULT_ATTR = "result"; //$NON-NLS-1$ |
| 37 | public static final String TYPE_ATTR = "type"; //$NON-NLS-1$ |
| 38 | public static final String VALUE_ATTR = "value"; //$NON-NLS-1$ |
| 39 | |
| 40 | /** |
| 41 | * Supported comparison types |
| 42 | */ |
| 43 | public static enum Type { |
| 44 | NUM, |
| 45 | ALPHA, |
| 46 | TIMESTAMP |
| 47 | } |
| 48 | |
| 49 | private boolean fNot = false; |
| 50 | private String fField; |
| 51 | private int fResult; |
| 52 | private Type fType = Type.NUM; |
| 53 | private String fValue; |
| 54 | private transient Number fValueNumber; |
| 55 | private transient TmfTimestamp fValueTimestamp; |
| 56 | |
| 57 | /** |
| 58 | * @param parent the parent node |
| 59 | */ |
| 60 | public TmfFilterCompareNode(ITmfFilterTreeNode parent) { |
| 61 | super(parent); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @return the NOT state |
| 66 | */ |
| 67 | public boolean isNot() { |
| 68 | return fNot; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * @param not the NOT state |
| 73 | */ |
| 74 | public void setNot(boolean not) { |
| 75 | this.fNot = not; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * @return the field name |
| 80 | */ |
| 81 | public String getField() { |
| 82 | return fField; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @param field the field name |
| 87 | */ |
| 88 | public void setField(String field) { |
| 89 | this.fField = field; |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * @return the compare result |
| 94 | */ |
| 95 | public int getResult() { |
| 96 | return fResult; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * @param result the compare result |
| 101 | */ |
| 102 | public void setResult(int result) { |
| 103 | this.fResult = result; |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * @return the comparison type |
| 108 | */ |
| 109 | public Type getType() { |
| 110 | return fType; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @param type the comparison type |
| 115 | */ |
| 116 | public void setType(Type type) { |
| 117 | this.fType = type; |
| 118 | setValue(fValue); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * @return the comparison value |
| 123 | */ |
| 124 | public String getValue() { |
| 125 | return fValue; |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * @param value the comparison value |
| 130 | */ |
| 131 | public void setValue(String value) { |
| 132 | this.fValue = value; |
| 133 | fValueNumber = null; |
| 134 | fValueTimestamp = null; |
| 135 | if (value == null) { |
| 136 | return; |
| 137 | } |
| 138 | if (fType == Type.NUM) { |
| 139 | try { |
| 140 | fValueNumber = NumberFormat.getInstance().parse(value).doubleValue(); |
| 141 | } catch (ParseException e) { |
| 142 | } |
| 143 | } else if (fType == Type.TIMESTAMP) { |
| 144 | try { |
| 145 | fValueTimestamp = new TmfTimestamp((long) (1E9 * NumberFormat.getInstance().parse(value.toString()).doubleValue())); |
| 146 | } catch (ParseException e) { |
| 147 | } |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | @Override |
| 152 | public String getNodeName() { |
| 153 | return NODE_NAME; |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public boolean matches(ITmfEvent event) { |
| 158 | Object value = getFieldValue(event, fField); |
| 159 | if (value == null) { |
| 160 | return false ^ fNot; |
| 161 | } |
| 162 | if (fType == Type.NUM) { |
| 163 | if (fValueNumber != null) { |
| 164 | if (value instanceof Number) { |
| 165 | double valueDouble = ((Number) value).doubleValue(); |
| 166 | return (Double.compare(valueDouble, fValueNumber.doubleValue()) == fResult) ^ fNot; |
| 167 | } |
| 168 | try { |
| 169 | double valueDouble = NumberFormat.getInstance().parse(value.toString()).doubleValue(); |
| 170 | return (Double.compare(valueDouble, fValueNumber.doubleValue()) == fResult) ^ fNot; |
| 171 | } catch (ParseException e) { |
| 172 | } |
| 173 | } |
| 174 | } else if (fType == Type.ALPHA) { |
| 175 | String valueString = value.toString(); |
| 176 | int comp = valueString.compareTo(fValue.toString()); |
| 177 | if (comp < -1) { |
| 178 | comp = -1; |
| 179 | } else if (comp > 1) { |
| 180 | comp = 1; |
| 181 | } |
| 182 | return (comp == fResult) ^ fNot; |
| 183 | } else if (fType == Type.TIMESTAMP) { |
| 184 | if (fValueTimestamp != null) { |
| 185 | if (value instanceof TmfTimestamp) { |
| 186 | TmfTimestamp valueTimestamp = (TmfTimestamp) value; |
| 187 | return (valueTimestamp.compareTo(fValueTimestamp, false) == fResult) ^ fNot; |
| 188 | } |
| 189 | try { |
| 190 | TmfTimestamp valueTimestamp = new TmfTimestamp((long) (1E9 * NumberFormat |
| 191 | .getInstance().parse(value.toString()).doubleValue())); |
| 192 | return (valueTimestamp.compareTo(fValueTimestamp, false) == fResult) ^ fNot; |
| 193 | } catch (ParseException e) { |
| 194 | } |
| 195 | } |
| 196 | } |
| 197 | return false ^ fNot; |
| 198 | } |
| 199 | |
| 200 | @Override |
| 201 | public List<String> getValidChildren() { |
| 202 | return new ArrayList<>(0); |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public String toString() { |
| 207 | String result = (fResult == 0 ? "= " : fResult < 0 ? "< " : "> "); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| 208 | String open = (fType == Type.NUM ? "" : fType == Type.ALPHA ? "\"" : "["); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| 209 | String close = (fType == Type.NUM ? "" : fType == Type.ALPHA ? "\"" : "]"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| 210 | return fField + (fNot ? " not " : " ") + result + open + fValue + close; //$NON-NLS-1$ //$NON-NLS-2$ |
| 211 | } |
| 212 | |
| 213 | @Override |
| 214 | public ITmfFilterTreeNode clone() { |
| 215 | TmfFilterCompareNode clone = (TmfFilterCompareNode) super.clone(); |
| 216 | clone.fField = fField; |
| 217 | clone.setValue(fValue); |
| 218 | return clone; |
| 219 | } |
| 220 | |
| 221 | @Override |
| 222 | public int hashCode() { |
| 223 | final int prime = 31; |
| 224 | int result = super.hashCode(); |
| 225 | result = prime * result + ((fField == null) ? 0 : fField.hashCode()); |
| 226 | result = prime * result + (fNot ? 1231 : 1237); |
| 227 | result = prime * result + fResult; |
| 228 | result = prime * result + ((fType == null) ? 0 : fType.hashCode()); |
| 229 | result = prime * result + ((fValue == null) ? 0 : fValue.hashCode()); |
| 230 | return result; |
| 231 | } |
| 232 | |
| 233 | @Override |
| 234 | public boolean equals(Object obj) { |
| 235 | if (this == obj) { |
| 236 | return true; |
| 237 | } |
| 238 | if (!super.equals(obj)) { |
| 239 | return false; |
| 240 | } |
| 241 | if (getClass() != obj.getClass()) { |
| 242 | return false; |
| 243 | } |
| 244 | TmfFilterCompareNode other = (TmfFilterCompareNode) obj; |
| 245 | if (fField == null) { |
| 246 | if (other.fField != null) { |
| 247 | return false; |
| 248 | } |
| 249 | } else if (!fField.equals(other.fField)) { |
| 250 | return false; |
| 251 | } |
| 252 | if (fNot != other.fNot) { |
| 253 | return false; |
| 254 | } |
| 255 | if (fResult != other.fResult) { |
| 256 | return false; |
| 257 | } |
| 258 | if (fType != other.fType) { |
| 259 | return false; |
| 260 | } |
| 261 | if (fValue == null) { |
| 262 | if (other.fValue != null) { |
| 263 | return false; |
| 264 | } |
| 265 | } else if (!fValue.equals(other.fValue)) { |
| 266 | return false; |
| 267 | } |
| 268 | return true; |
| 269 | } |
| 270 | } |