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/*******************************************************************************
* Copyright (c) 2010, 2013 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Patrick Tasse - Initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.tmf.core.filter.model;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
/**
* Filter node for the event match operation
*
* @version 1.0
* @author Patrick Tasse
*/
@SuppressWarnings("javadoc")
public class TmfFilterNode extends TmfFilterTreeNode {
public static final String NODE_NAME = "FILTER"; //$NON-NLS-1$
public static final String NAME_ATTR = "name"; //$NON-NLS-1$
String fFilterName;
/**
* @param filterName the filter name
*/
public TmfFilterNode(String filterName) {
super(null);
fFilterName = filterName;
}
/**
* @param parent the parent node
* @param filterName the filter name
*/
public TmfFilterNode(ITmfFilterTreeNode parent, String filterName) {
super(parent);
fFilterName = filterName;
}
/**
* @return the filer name
*/
public String getFilterName() {
return fFilterName;
}
/**
* @param filterName the filer name
*/
public void setFilterName(String filterName) {
fFilterName = filterName;
}
@Override
public String getNodeName() {
return NODE_NAME;
}
@Override
public boolean matches(ITmfEvent event) {
// There should be at most one child
for (ITmfFilterTreeNode node : getChildren()) {
if (node.matches(event)) {
return true;
}
}
return false;
}
@Override
public List<String> getValidChildren() {
if (getChildrenCount() == 0) {
return super.getValidChildren();
}
return new ArrayList<>(0); // only one child allowed
}
@Override
public String toString() {
StringBuffer buf = new StringBuffer();
if (getChildrenCount() > 1) {
buf.append("( "); //$NON-NLS-1$
}
for (int i = 0; i < getChildrenCount(); i++) {
ITmfFilterTreeNode node = getChildren()[i];
buf.append(node.toString());
if (i < (getChildrenCount() - 1)) {
buf.append(" and "); //$NON-NLS-1$
}
}
if (getChildrenCount() > 1) {
buf.append(" )"); //$NON-NLS-1$
}
return buf.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((fFilterName == null) ? 0 : fFilterName.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!super.equals(obj)) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
TmfFilterNode other = (TmfFilterNode) obj;
if (fFilterName == null) {
if (other.fFilterName != null) {
return false;
}
} else if (!fFilterName.equals(other.fFilterName)) {
return false;
}
return true;
}
}
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