io.ebeaninternal.server.persist.Flags Maven / Gradle / Ivy
package io.ebeaninternal.server.persist;
/**
* Flags used in persistence.
*
* Allows passing of flag state when recursively persisting.
*/
public class Flags {
/**
* Indicates the bean is being inserted.
*/
public static final int INSERT = 0x00000001;
/**
* Indicates persist cascade.
*/
public static final int RECURSE = 0x00000002;
/**
* Indicates Publish mode.
*/
public static final int PUBLISH = 0x00000004;
/**
* Indicates Merge mode.
*/
public static final int MERGE = 0x00000008;
/**
* No flags set.
*/
public static final int ZERO = 0;
public static final int PUBLISH_RECURSE = PUBLISH + RECURSE;
private static final int PUBLISH_MERGE = PUBLISH + MERGE;
/**
* Return true if the bean is being inserted.
*/
public static boolean isInsert(int state) {
return isSet(state, INSERT);
}
/**
* Return true if persist cascading.
*/
public static boolean isRecurse(int state) {
return isSet(state, RECURSE);
}
/**
* Return true if part of a Publish.
*/
public static boolean isPublish(int state) {
return isSet(state, PUBLISH);
}
/**
* Return true if part of a Merge.
*/
public static boolean isMerge(int state) {
return isSet(state, PUBLISH);
}
/**
* Return true if part of a Merge or Publish.
*/
public static boolean isPublishOrMerge(long state) {
return (state & PUBLISH_MERGE) != 0;
}
/**
* Return true if the given flag is set.
*/
public static boolean isSet(int state, int flag) {
return (state & flag) == flag;
}
/**
* Set Insert flag.
*/
public static int setInsert(int state) {
return set(state, INSERT, true);
}
/**
* Parent was not inserted.
*/
public static int unsetInsert(int state) {
return set(state, INSERT, false);
}
/**
* Set Recurse flag.
*/
public static int setRecurse(int state) {
return set(state, RECURSE, true);
}
public static int unsetRecuse(int state) {
return set(state, RECURSE, false);
}
/**
* Set Publish flag.
*/
public static int setPublish(int state) {
return set(state, PUBLISH, true);
}
public static int unsetPublish(int state) {
return set(state, PUBLISH, false);
}
/**
* Set Merge flag.
*/
public static int setMerge(int state) {
return set(state, MERGE, true);
}
public static int unsetMerge(int state) {
return set(state, MERGE, false);
}
private static int set(int state, int flag, boolean setFlag) {
if (setFlag) {
return (state |= flag);
} else {
return state &= ~flag;
}
}
}