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public interface DataSourceChecksum
Provides the checksum for a data source. May be optionally implemented by
DataSource
implementations.
This interface is designed to be implemented by clients. |
Field Summary | |
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static long |
NONE
special checksum value indicating no checksum is available |
Fields inherited from interface com.ibm.portal.resolver.data.DataSource |
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CONTENT_TYPE_UNKNOWN, CREATION_UNKNOWN, EXPIRATION_UNKNOWN, LAST_MODIFICATION_UNKNOWN, MAX_AGE_INFINITE, MAX_AGE_NONE, ROOT_DATE |
Fields inherited from interface com.ibm.portal.resolver.data.Addressable |
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EMPTY_PARAMETERS |
Method Summary | |
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long |
getChecksum()
Returns the checksum of the data source. |
boolean |
isWeak()
Returns whether this is a "strong" or "weak" checksum. |
Methods inherited from interface com.ibm.portal.resolver.data.DataSource |
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getContentType, getCreated, getExpiration, getLastModified |
Methods inherited from interface com.ibm.portal.resolver.data.Addressable |
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getParameters, getURI |
Methods inherited from interface com.ibm.portal.Disposable |
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dispose |
Field Detail |
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static final long NONE
Method Detail |
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long getChecksum()
NONE
indicates that no checksum has been computed.boolean isWeak()
true
if the checksum is "weak", false
otherwise.
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