soot.jimple.toolkits.annotation.arraycheck.FlowGraphEdge Maven / Gradle / Ivy
package soot.jimple.toolkits.annotation.arraycheck;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2000 Feng Qian
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
class FlowGraphEdge {
Object from;
Object to;
public FlowGraphEdge() {
this.from = null;
this.to = null;
}
public FlowGraphEdge(Object from, Object to) {
this.from = from;
this.to = to;
}
public int hashCode() {
return this.from.hashCode() ^ this.to.hashCode();
}
public Object getStartUnit() {
return this.from;
}
public Object getTargetUnit() {
return this.to;
}
public void changeEndUnits(Object from, Object to) {
this.from = from;
this.to = to;
}
public boolean equals(Object other) {
if (other == null) {
return false;
}
if (other instanceof FlowGraphEdge) {
Object otherstart = ((FlowGraphEdge) other).getStartUnit();
Object othertarget = ((FlowGraphEdge) other).getTargetUnit();
return (this.from.equals(otherstart) && this.to.equals(othertarget));
} else {
return false;
}
}
}