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/*******************************************************************************
* Copyright (c) 2010, 2012 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:
* Yuriy Vashchuk (yvashchuk@gmail.com) - Initial API and implementation
* Patrick Tasse - Refactoring
*******************************************************************************/
package org.eclipse.linuxtools.tmf.core.filter.model;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
import org.eclipse.linuxtools.tmf.core.event.ITmfEventField;
/**
* The base class for the Filter tree nodes
*
* @version 1.0
* @author Yuriy Vashchuk
* @author Patrick Tasse
*/
public abstract class TmfFilterTreeNode implements ITmfFilterTreeNode, Cloneable {
private static final String[] VALID_CHILDREN = {
TmfFilterEventTypeNode.NODE_NAME,
TmfFilterAndNode.NODE_NAME,
TmfFilterOrNode.NODE_NAME,
TmfFilterContainsNode.NODE_NAME,
TmfFilterEqualsNode.NODE_NAME,
TmfFilterMatchesNode.NODE_NAME,
TmfFilterCompareNode.NODE_NAME
};
private ITmfFilterTreeNode parent = null;
private ArrayList<ITmfFilterTreeNode> children = new ArrayList<ITmfFilterTreeNode>();
/**
* @param parent the parent node
*/
public TmfFilterTreeNode(final ITmfFilterTreeNode parent) {
if (parent != null) {
parent.addChild(this);
}
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getParent()
*/
@Override
public ITmfFilterTreeNode getParent() {
return parent;
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getNodeName()
*/
@Override
public abstract String getNodeName();
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#hasChildren()
*/
@Override
public boolean hasChildren() {
return (children.size() > 0);
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getChildrenCount()
*/
@Override
public int getChildrenCount() {
return children.size();
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getChildren()
*/
@Override
public ITmfFilterTreeNode[] getChildren() {
return children.toArray(new ITmfFilterTreeNode[0]);
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getChild(int)
*/
@Override
public ITmfFilterTreeNode getChild(final int index) throws IndexOutOfBoundsException {
return children.get(index);
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#remove()
*/
@Override
public ITmfFilterTreeNode remove() {
if (getParent() != null) {
getParent().removeChild(this);
}
return this;
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#removeChild(org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode)
*/
@Override
public ITmfFilterTreeNode removeChild(ITmfFilterTreeNode node) {
children.remove(node);
node.setParent(null);
return node;
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#addChild(org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode)
*/
@Override
public int addChild(final ITmfFilterTreeNode node) {
node.setParent(this);
if(children.add(node)) {
return (children.size() - 1);
}
return -1;
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#replaceChild(int, org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode)
*/
@Override
public ITmfFilterTreeNode replaceChild(final int index, final ITmfFilterTreeNode node) throws IndexOutOfBoundsException {
node.setParent(this);
return children.set(index, node);
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#setParent(org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode)
*/
@Override
public void setParent(final ITmfFilterTreeNode parent) {
this.parent = parent;
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#matches(org.eclipse.linuxtools.tmf.event.TmfEvent)
*/
@Override
public abstract boolean matches(ITmfEvent event);
/**
* @param event the event
* @param field the field id
* @return the field value
*/
protected Object getFieldValue(ITmfEvent event, String field) {
Object value = null;
if (ITmfEvent.EVENT_FIELD_CONTENT.equals(field)) {
value = event.getContent().toString();
}
else if (ITmfEvent.EVENT_FIELD_TYPE.equals(field)) {
value = event.getType().getName();
}
else if (ITmfEvent.EVENT_FIELD_TIMESTAMP.equals(field)) {
value = event.getTimestamp().toString();
}
else if (ITmfEvent.EVENT_FIELD_SOURCE.equals(field)) {
value = event.getSource();
}
else if (ITmfEvent.EVENT_FIELD_REFERENCE.equals(field)) {
value = event.getReference();
}
else {
ITmfEventField eventField = event.getContent().getField(field);
if (eventField != null) {
value = eventField.getValue();
}
}
return value;
}
/* (non-Javadoc)
* @see org.eclipse.linuxtools.tmf.filter.model.ITmfFilterTreeNode#getValidChildren()
*
* By default, all node types are valid children. Override if different.
*/
@Override
public List<String> getValidChildren() {
return Arrays.asList(VALID_CHILDREN);
}
@Override
public ITmfFilterTreeNode clone() {
try {
TmfFilterTreeNode clone = (TmfFilterTreeNode) super.clone();
clone.parent = null;
clone.children = new ArrayList<ITmfFilterTreeNode>(children.size());
for (ITmfFilterTreeNode child : getChildren()) {
clone.addChild(child.clone());
}
return clone;
} catch (CloneNotSupportedException e) {
return null;
}
}
}
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