litesoft
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.bo.views; import org.litesoft.bo.attributes.*; import org.litesoft.bo.change.*; import org.litesoft.core.util.*; public abstract class SimpleVoAttribute<V extends ViewObject> implements VoAttribute<V> { private final String mName; private final boolean mRequired; private AttributeMetaData mMetaData; public SimpleVoAttribute( String pName, boolean pRequired, AttributeMetaData pMetaData ) { mMetaData = pMetaData; mName = UtilsCommon.assertNotNullNotEmpty( "Name", pName ); mRequired = pRequired; UtilsCommon.assertNotNull( "MetaData", mMetaData = pMetaData ); } public final String getName() { return mName; } public final AttributeType getType() { return mMetaData.getType().getBoAttributeType(); } public final ChangeEntry createChangeEntryFor( Object pValue ) { return new SimpleChangeEntry( pValue ); } public final AttributeMetaData getMetaData() { return mMetaData; } public final boolean isRequired() { return mRequired; } public final Mutability getMutability() { return mMetaData.getMutability(); } public boolean isSetable() { return true; } @Override public String toString() { return getName(); } @SuppressWarnings({"unchecked"}) public final <T> T getAttributeValue( V pVO ) { return (T) LLgetAttributeValue( pVO ); } abstract protected Object LLgetAttributeValue( V pVO ); protected static class SimpleChangeEntry implements ChangeEntry { private Object mOriginalValue; public SimpleChangeEntry( Object pOriginalValue ) { mOriginalValue = pOriginalValue; } public Object getOriginalValue() { return mOriginalValue; } public String toString() { return (mOriginalValue != null) ? mOriginalValue.toString() : ""; } public boolean equals( Object o ) { if ( this == o ) { return true; } if ( o == null || getClass() != o.getClass() ) { return false; } SimpleChangeEntry them = (SimpleChangeEntry) o; return UtilsCommon.areNonArraysEqual( this.mOriginalValue, them.mOriginalValue ); } public int hashCode() { return UtilsCommon.calcHashCode( mOriginalValue ); } } } |