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/*
* ====================================================================
* Project: openMDX/Core, http://www.openmdx.org/
* Description: Date State View
* Owner: OMEX AG, Switzerland, http://www.omex.ch
* ====================================================================
*
* This software is published under the BSD license as listed below.
*
* Copyright (c) 2007-2008, OMEX AG, Switzerland
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the openMDX team nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ------------------
*
* This product includes software developed by other organizations as
* listed in the NOTICE file.
*/
package org.openmdx.state2.spi;
import java.util.Date;
import org.openmdx.state2.cci.DateTimeStateContext;
import org.openmdx.state2.cci.ViewKind;
import org.w3c.format.DateTimeFormat;
import org.w3c.spi.DatatypeFactories;
import org.w3c.spi.ImmutableDatatypeFactory;
/**
* Date State View Context
*/
public class DateTimeStateViewContext
extends StateViewContext
implements DateTimeStateContext
{
/**
* Constructor
*
* @param datatypeFactory the immutable datatype factory
* @param validFrom the begin of the time range, or null for an unconstrained lower bound
* @param validTo the end of the time range, or null for an unconstrained upper bound
* @param validFor the view's valid time point, or null for time range views
* @param validAt the view's transaction time point, or null for time range views
*/
private DateTimeStateViewContext(
ImmutableDatatypeFactory datatypeFactory,
ViewKind viewKind,
Date validFor,
Date validAt,
Date validFrom,
Date invalidFrom
) {
super(
viewKind,
datatypeFactory.toDateTime(validFor),
datatypeFactory.toDateTime(validAt),
datatypeFactory.toDateTime(validFrom),
datatypeFactory.toDateTime(invalidFrom),
false // includeUpperBound
);
}
/**
* Implements Serializable
*/
private static final long serialVersionUID = -2814664512154648676L;
/**
* Create a time point view context
*
* @param validFor the view's valid time point
* @param validAt the view's transaction time point
*/
public static DateTimeStateViewContext newTimePointViewContext(
Date validFor,
Date validAt
){
return new DateTimeStateViewContext(
DatatypeFactories.immutableDatatypeFactory(),
ViewKind.TIME_POINT_VIEW,
validFor,
validAt,
null, // validFrom
null // validTo
);
}
/**
* Create a time range view context
*
* @param validFrom the begin of the time range, or null for an unconstrained lower bound
* @param validTo the end of the time range, or null for an unconstrained upper bound
*/
public static DateTimeStateViewContext newTimeRangeViewContext(
Date validFrom,
Date validTo
){
return new DateTimeStateViewContext(
DatatypeFactories.immutableDatatypeFactory(),
ViewKind.TIME_RANGE_VIEW,
null, // validFor
null, // validAt
validFrom,
validTo
);
}
// ------------------------------------------------------------------------
// Implements DateStateContext
// ------------------------------------------------------------------------
/**
* Retrieve the time range view's upper bound.
*
* @return the time range view's upper bound.
*/
public final Date getInvalidFrom(
) {
return super.getUpperBound();
}
// ------------------------------------------------------------------------
// Extends AbstractStateContext
// ------------------------------------------------------------------------
/* (non-Javadoc)
* @see org.openmdx.state2.spi.AbstractStateContext#toString(java.lang.Object)
*/
@Override
protected String toString(
Date timePoint
) {
return DateTimeFormat.BASIC_UTC_FORMAT.format(timePoint);
}
/* (non-Javadoc)
* @see org.openmdx.state2.spi.StateViewContext#now()
*/
@Override
protected Date newValidAt() {
return new Date();
}
}
