SortDirection.java

/**
 * 
 */
package org.csstudio.dal.ui.internal.connectionview;

import java.util.Comparator;

import org.csstudio.platform.simpledal.IConnector;

enum SortDirection {
	BY_CONTROL_SYTEM(new Comparator<IConnector>() {
		@Override
		public int compare(IConnector s1, IConnector s2) {
			String t1 = s1.getProcessVariableAddress().getControlSystem() != null ? s1
					.getProcessVariableAddress().getControlSystem()
					.toString()
					: "";
			String t2 = s2.getProcessVariableAddress().getControlSystem() != null ? s2
					.getProcessVariableAddress().getControlSystem()
					.toString()
					: "";
			return t1.compareTo(t2);
		}
	}),

	BY_NAME((new Comparator<IConnector>() {
		@Override
		public int compare(IConnector s1, IConnector s2) {
			String t1 = s1.getProcessVariableAddress().getProperty() != null ? s1
					.getProcessVariableAddress().getProperty()
					: "";
			String t2 = s2.getProcessVariableAddress().getProperty() != null ? s2
					.getProcessVariableAddress().getProperty()
					: "";
			return t1.compareTo(t2);
		}
	})),

	BY_CONNECTION_STATE((new Comparator<IConnector>() {
		@Override
		public int compare(IConnector s1, IConnector s2) {
			String t1 = s1.getLatestConnectionState() != null ? s1
					.getLatestConnectionState().toString() : "";
			String t2 = s2.getLatestConnectionState() != null ? s2
					.getLatestConnectionState().toString() : "";
			return t1.compareTo(t2);
		}
	})),

	BY_TYPE((new Comparator<IConnector>() {
		@Override
		public int compare(IConnector s1, IConnector s2) {
			String t1 = s1.getValueType() != null ? s1.getValueType()
					.toString() : "";
			String t2 = s2.getValueType() != null ? s2.getValueType()
					.toString() : "";
			return t1.compareTo(t2);
		}
	})),

	BY_VALUE((new Comparator<IConnector>() {
		@Override
		public int compare(IConnector s1, IConnector s2) {
			String t1 = s1.getLatestValue() != null ? s1.getLatestValue()
					.toString() : "";
			String t2 = s2.getLatestValue() != null ? s2.getLatestValue()
					.toString() : "";
			return t1.compareTo(t2);
		}
	})),

	BY_NR_OF_LISTENERS((new Comparator<IConnector>() {
		@Override
		public int compare(IConnector s1, IConnector s2) {
			int t1 = s1.getListenerCount();
			int t2 = s2.getListenerCount();
			return t1 - t2;
		}
	})),

	BY_ERROR((new Comparator<IConnector>() {
		@Override
		public int compare(IConnector s1, IConnector s2) {
			String t1 = s1.getLatestError() != null ? s1.getLatestError()
					: "";
			String t2 = s2.getLatestError() != null ? s2.getLatestError()
					: "";
			return t1.compareTo(t2);
		}
	}));

	private Comparator<IConnector> _comparator;

	private SortDirection(Comparator<IConnector> comparator) {
		assert comparator != null;
		_comparator = comparator;
	}

	public Comparator<IConnector> getComparator() {
		return _comparator;
	}
}