| /******************************************************************************* |
| * Copyright (c) 2012, 2014 Ericsson |
| * Copyright (c) 2010, 2011 École Polytechnique de Montréal |
| * Copyright (c) 2010, 2011 Alexandre Montplaisir <alexandre.montplaisir@gmail.com> |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.statesystem.core.statevalue; |
| |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; |
| |
| /** |
| * A state value containing a variable-sized string |
| * |
| * @version 1.0 |
| * @author Alexandre Montplaisir |
| */ |
| final class StringStateValue extends TmfStateValue { |
| |
| private final String fValue; |
| |
| /** |
| * String state value constructor |
| * |
| * @param valueAsString |
| * string |
| */ |
| public StringStateValue(String valueAsString) { |
| fValue = valueAsString; |
| } |
| |
| @Override |
| public Type getType() { |
| return Type.STRING; |
| } |
| |
| @Override |
| public boolean isNull() { |
| return false; |
| } |
| |
| @Override |
| public boolean equals(@Nullable Object object) { |
| if (!(object instanceof StringStateValue)) { |
| return false; |
| } |
| StringStateValue other = (StringStateValue) object; |
| return fValue.equals(other.fValue); |
| } |
| |
| @Override |
| public int hashCode() { |
| return fValue.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return fValue; |
| } |
| |
| // ------------------------------------------------------------------------ |
| // Unboxing methods |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public String unboxStr() { |
| return fValue; |
| } |
| |
| @Override |
| public int compareTo(@Nullable ITmfStateValue other) { |
| if (other == null) { |
| throw new IllegalArgumentException(); |
| } |
| |
| switch (other.getType()) { |
| case DOUBLE: |
| throw new StateValueTypeException("A String state value cannot be compared to a Double state value."); //$NON-NLS-1$ |
| case INTEGER: |
| throw new StateValueTypeException("A String state value cannot be compared to an Integer state value."); //$NON-NLS-1$ |
| case LONG: |
| throw new StateValueTypeException("A String state value cannot be compared to a Long state value."); //$NON-NLS-1$ |
| case NULL: |
| /* |
| * We assume that every string state value is greater than a null state value. |
| */ |
| return 1; |
| case STRING: |
| StringStateValue otherStringValue = (StringStateValue) other; |
| return fValue.compareTo(otherStringValue.fValue); |
| case CUSTOM: |
| default: |
| throw new StateValueTypeException("A String state value cannot be compared to the type " + other.getType()); //$NON-NLS-1$ |
| } |
| |
| } |
| |
| @Override |
| public @Nullable Object unboxValue() { |
| return fValue; |
| } |
| |
| } |